20CrMnTi Steel Bar Specs & Price 2026 | Shandong Kuaima Steel

2026-04-15 0 views

Shandong Kuaima Steel Co., Ltd., a Diamond Member supplier since 2021 carrying a USD 300,000 platform deposit, stocks 20CrMnTi alloy steel bar to GB/T 3077 for gear, axle, and carburized drivetrain components. This product deep dive covers certified chemical composition, mechanical property thresholds, available diameter ranges, current 2026 FOB price benchmarks, minimum order quantities, mill-test-report verification steps, and the fastest route to a formal quotation.

Market Overview

20CrMnTi Alloy steel bar is a chromium-manganese-titanium carburizing grade engineered specifically for high-contact-stress components — gears, axles, camshafts, and drive shafts — where a hardened surface shell of 58–62 HRC must coexist with a tough, ductile core registering 28–34 HRC. Within the 2026 Chinese export steel landscape, this grade occupies a precise niche: it is not a commodity structural bar but a precision alloy product governed by GB/T 3077, ASTM A304, and EN 10084, and it commands a price premium that reflects both its titanium micro-alloying and the controlled carburizing heat treatment it is designed to receive. Shandong province — home to major integrated mills and a dense network of downstream processors — is a principal origin for this grade, with finished bars shipping through Qingdao and Rizhao, two of China's most active bulk-steel export terminals.

Grade equivalence: 20CrMnTi (GB/T 3077) aligns with AISI 5120 and EN 18CrMnTi7-4, enabling cross-border specification matching for EU and US procurement teams
Verified supplier standing: Shandong Kuaima Steel Co., Ltd. holds Diamond Member status on the platform since 2021 and maintains a USD 300,000 platform security deposit — a figure subject to third-party audit
2026 trade headwind: EU Carbon Border Adjustment Mechanism (CBAM) phased rollout is beginning to affect the landed cost of Chinese alloy steel imports into Europe; buyers sourcing under CIF terms should factor emerging CBAM obligations into total cost of ownership
Inspection access: SGS and Bureau Veritas both operate pre-shipment inspection services out of Shandong, making mill test certificate (MTC) and third-party dimensional verification practical on standard order volumes

For procurement teams shortlisting carburizing-grade bar suppliers in 2026, the combination of multi-standard compliance, transparent deposit-backed platform membership, and dual-port export access positions this product category — and verified entities like Shandong Kuaima Steel Co., Ltd. — as a concrete starting point rather than a speculative one.

Key Industry Trends (2026–2030)

What is driving demand for 20CrMnTi alloy steel bar?

Automotive powertrain and heavy equipment manufacturing are the primary engines pulling 20CrMnTi alloy steel bar demand forward through 2030, as gear and axle component production scales alongside electrification platforms that still require carburized steel drivetrain parts.

Electric vehicles retain conventional differential gears, ring gears, and output shafts — all prime applications for a grade delivering surface hardness of 58–62 HRC over a tough 28–34 HRC core. Agricultural machinery and commercial vehicle axle production in Southeast Asia and Latin America add a second demand tier that is largely insulated from passenger-EV substitution risk.

Automotive gear and camshaft OEMs specifying GB/T 3077 and EN 10084 compliant bar in diameters from 16 mm to 300 mm
Heavy equipment manufacturers in Southeast Asia sourcing with lead times of 25–35 days from Qingdao or Rizhao
India's mandatory BIS certification requirements reshaping import qualification workflows for alloy bar suppliers targeting that corridor
Agricultural and mining drivetrain rebuilders in West Africa accepting 38–45 day lead times against FOB Qingdao pricing
Tier-1 suppliers cross-referencing AISI 5120 and EN 18CrMnTi7-4 equivalents to consolidate global procurement under a single bar specification

How are supply dynamics shaping the 20CrMnTi bar market?

Grade consolidation and third-party audit requirements are tightening the qualified supplier pool, with buyers increasingly demanding SGS or Bureau Veritas mill inspection reports before issuing purchase orders rather than accepting mill test certificates alone.

Spot pricing for 20CrMnTi alloy steel bar currently ranges from USD 765–820 per ton, compared with USD 540–580 per ton for standard hot-rolled alloy bar — a premium that reflects titanium micro-alloying costs and tighter chemistry tolerances under ASTM A304 and GB/T 3077.

Third-party inspection via SGS, Bureau Veritas, or Intertek is now a baseline expectation, not an optional add-on, for B2B alloy bar contracts
MOQ structures starting at 1 ton for samples, scaling to 1 × 40FT container (~25 tons) for commercial orders, affect cash-flow planning for mid-size buyers
EU Carbon Border Adjustment Mechanism (CBAM) phased rollout is adding carbon-content documentation requirements that affect Chinese alloy bar export pricing into European markets
Red Sea shipping disruptions are adding 10–14 days to Europe-bound voyages, pushing buyers toward earlier order placement and larger buffer stocks
Platform-audited suppliers carrying a USD 300,000 security deposit — such as Shandong Kuaima Steel Co., Ltd. — signal a verifiable financial commitment that unaudited mills cannot match

Which processes and standards matter most when specifying carburizing-grade bar?

GB/T 3077, ASTM A304, and EN 10084 form the three-standard verification framework that procurement engineers should require on every mill test certificate for 20CrMnTi bar, because each standard governs a distinct aspect of chemistry, hardenability, and surface treatment response.

Production route matters equally: hot rolling followed by controlled annealing governs grain refinement and machinability, while EAF or BOF melt origin affects inclusion cleanliness — a variable that ASTM A304 hardenability bands do not fully capture but that EN 10204 Type 3.1 inspection certificates can document.

Chemistry windows — C: 0.17–0.23%, Cr: 1.00–1.30%, Ti: 0.04–0.10% — must be verified against GB/T 3077 tolerances, not assumed from grade name alone
EN 10204 Type 3.1 MTCs and CIQ certificates are the minimum document set for customs clearance in most CBAM-affected and BIS-regulated markets
Tensile strength ≥ 835 MPa and yield strength ≥ 540 MPa should be confirmed via third-party coupon testing, not solely supplier-issued documentation
Hot rolling and continuous casting process declarations help buyers assess dimensional tolerance consistency across large-diameter bars (above 150 mm)

Material Grades and Technical Specifications

20CrMnTi is a chromium-manganese-titanium carburizing steel standardized under GB/T 3077-2015, designed specifically for components that require a hard, wear-resistant surface layer over a tough, impact-absorbing core — a combination that makes it the default grade choice for automotive gears, drive shafts, camshafts, and axle components in medium-to-heavy duty applications. The cross-standard equivalencies — AISI 5120 (ASTM A304) and EN 18CrMnTi7-4 (EN 10084) — mean a single bar order can satisfy procurement specifications written in Chinese, American, or European engineering frameworks simultaneously.

Element / Property	Specified Range	Engineering Significance
Carbon (C)	0.17–0.23%	Low enough for deep carburizing; case depth controlled by cycle time
Chromium (Cr)	1.00–1.30%	Boosts hardenability and wear resistance in the carburized case
Manganese (Mn)	0.80–1.10%	Improves core toughness and quench response
Titanium (Ti)	0.04–0.10%	Grain refiner — suppresses austenite grain growth during carburizing heat treatment
Silicon (Si)	0.17–0.37%	Deoxidizer; contributes to cleanliness of the melt
Phosphorus (P)	≤0.035%	Controlled ceiling to prevent cold-shortness
Sulfur (S)	≤0.035%	Ceiling limits hot-shortness risk during rolling
Tensile Strength	≥835 MPa	Minimum threshold for gear-tooth root bending fatigue resistance
Yield Strength	≥540 MPa	Defines elastic limit under torsional and bending loads
Elongation	≥10%	Core ductility reserve — critical for shock-load applications
Core Hardness	28–34 HRC	Tough core absorbs impact without brittle fracture
Surface Hardness (post-carburizing)	58–62 HRC	Wear-resistant case comparable to bearing steel surfaces

Two practical compliance points deserve attention at the specification stage. First, buyers shipping into India should confirm that the Mill Test Certificate (MTC) format aligns with BIS import certification requirements, which have tightened for alloy structural bar categories. Second, European buyers sourcing under EN 10084 should factor in the EU Carbon Border Adjustment Mechanism (CBAM) phased rollout when calculating landed cost, since CBAM reporting obligations now attach to alloy steel bar imports and will affect total cost of ownership calculations from 2026 onward.

Available diameter range: 16–300 mm, covering both small-batch precision blanks and large-section shaft stock
Production routes offered by Shandong Kuaima Steel: hot rolling and cold drawing — hot-rolled bars suit near-net-shape forging blanks; cold-drawn bars deliver tighter dimensional tolerances for direct machining
Third-party verification: SGS and Bureau Veritas (BV) are among the inspection agencies buyers can nominate for pre-shipment chemical and mechanical property checks against the MTC values
Standard compliance stack: GB/T 3077, ASTM A304, EN 10084 — all three can be cited on a single commercial invoice where dual-standard acceptance is written into the purchase order

Before finalizing a purchase order, request the full MTC — not a summary certificate — and cross-check the heat number against the chemical composition ranges in the table above; any responsible supplier operating under ISO 9001 and EN 10204 document requirements will provide this as a standard deliverable, and discrepancies at this stage are far easier to resolve than after a container clears customs.

Pricing, MOQ and Order Economics

20CrMnTi alloy steel bar from Shandong Kuaima Steel is priced at USD 765–820 per metric ton for the standard carburizing grade, with the broader alloy bar portfolio spanning USD 540–820/ton depending on grade and processing condition — making it one of the more precisely positioned product lines available through a platform-audited Chinese manufacturer. The 1-ton MOQ listed on the product page lowers the barrier for trial orders, though buyers planning container shipments should note that a full 1 × 40FT container loads approximately 25 tons, which is the practical threshold at which per-unit freight costs normalize.

20CrMnTi alloy steel bar (standard carburizing grade): USD 765–820/ton
Hot-rolled alloy steel bars: USD 540–580/ton — lowest entry point in the range
Annealed alloy steel bars: USD 590–635/ton — suited for downstream machining workflows
35CrMo alloy steel bar: USD 680–730/ton
42CrMo alloy steel bar: USD 690–740/ton
Minimum Order Quantity: 1 metric ton (sample/trial); ~25 tons for full container economics
Payment structure: 30% T/T deposit, 70% against B/L copy — standard for audited Chinese mills
Incoterms available: FOB Qingdao, CIF destination port
L/C acceptance: Bank of China, ICBC, CCB, Agricultural Bank of China (ABC)

Two cost variables that buyers frequently underestimate in 2026 sourcing cycles are third-party inspection fees and documentation requirements. Scheduling SGS or Bureau Veritas pre-shipment inspection — strongly advisable for first orders — typically adds USD 300–600 per consignment but generates the Mill Test Certificate (MTC) and COO documentation that many end-use industries and customs authorities now mandate. Separately, buyers routing cargo to European ports should factor in the EU Carbon Border Adjustment Mechanism (CBAM), which is in phased rollout and will progressively affect the landed cost of steel imports; early engagement with your freight forwarder on CBAM registration is no longer optional for EU-bound orders.

Before submitting a formal RFQ, confirm your diameter range (16–300mm is the stated production window), specify whether you require GB/T 3077, ASTM A304, or EN 10084 compliance, and request that the MTC be issued under EN 10204 — these three inputs allow Shandong Kuaima Steel to return an accurate, binding price rather than a provisional range.

Trade-offs and Verification Checklist

Sourcing 20CrMnTi alloy steel bar from a verified Chinese manufacturer delivers measurable specification advantages — but only when buyers enter the process with a clear-eyed view of what platform credentials do and do not guarantee. Shandong Kuaima Steel holds Diamond Member status and carries a USD 300,000 platform security deposit, both of which are meaningful financial commitments. That deposit functions as a bonded performance signal: the platform can draw against it in the event of a verified dispute, which is structurally different from a supplier simply claiming audit compliance. However, buyers should note that Diamond Member status dates only to 2021, meaning the verifiable on-platform track record spans roughly four years — shorter than suppliers with decade-long verified histories. The practical mitigation is to request a third-party pre-shipment inspection through SGS or Bureau Veritas (BV) on the first one or two orders, independently confirming that delivered bar meets the declared GB/T 3077-2015 chemistry and the ≥835 MPa tensile strength before releasing the 70% T/T balance against the B/L copy.

A second trade-off worth pricing into your sourcing decision: a USD 300,000 security deposit is a significant working-capital commitment for any factory, and that overhead can translate into a price floor that sits above leaner, unaudited competitors. The 20CrMnTi alloy steel bar variant is listed at USD 765–820/ton — the highest price point across the platform's current variant range — so buyers on tight margins should model the full landed cost before shortlisting.

Use the checklist below before issuing a purchase order:

1. Request the Mill Test Certificate (MTC) in advance — confirm it reports C: 0.17–0.23%, Cr: 1.00–1.30%, Ti: 0.04–0.10%, and P/S ≤0.035% against GB/T 3077 and EN 10084.

2. Specify an EN 10204 3.1 or 3.2 inspection document — 3.2 requires independent third-party sign-off, which SGS or Intertek can provide at the Qingdao or Rizhao loading port.

3. Confirm Incoterms in writing — FOB Qingdao fixes the risk transfer point clearly; CIF destination port shifts freight responsibility but obscures carrier choice, which matters if EU CBAM reporting obligations apply to your import.

4. Check for Section 232 exposure — US buyers must confirm current tariff classification and any applicable exclusions before finalising landed-cost calculations.

5. Verify the COO and CIQ Certificate — both documents are required for customs clearance in most markets and confirm the steel's Chinese origin and pre-export inspection status.

Request a sample MTC and the supplier's most recent third-party audit report before issuing an RFQ — comparing those documents against the declared specifications is the single most efficient verification step available to a first-time buyer.

Featured Supplier

Shandong Kuaima Steel Co., Ltd. is a verified factory-type manufacturer based in Shandong, China, holding Diamond Member status on the platform since 2021 and maintaining a USD 300,000 platform security deposit.

Supplier type: verified custom manufacturer (factory)
Platform status: Diamond Member since 2021, platform-audited
Security deposit: USD 300,000 held on platform
Listed product categories include Carbon steel bar, Alloy steel bar, and Stainless steel bar, plus five additional product lines
Relevant to this article: Alloy steel bar category directly covers 20CrMnTi carburizing-grade bar stock used in gear and axle applications
Total of eight listed product categories, indicating a focused but multi-line steel bar operation

Buyers sourcing 20CrMnTi alloy steel bar for gear, axle, or drivetrain components can review Shandong Kuaima Steel's verified supplier profile, listed categories, and contact details directly on the platform.

Visit the supplier page for specifications and pricing inquiries:

Frequently Asked Questions

What is 20CrMnTi alloy steel bar and why is it used for gears and axles?

20CrMnTi is a Chinese-standard case-hardening alloy steel (GB/T 3077) containing chromium, manganese, and titanium additions that deliver a hard, wear-resistant surface over a tough core after carburizing and quenching. Case hardness typically reaches 58–62 HRC while core hardness holds at 33–45 HRC. This combination makes it the dominant grade for automotive transmission gears, differential axles, and camshafts where fatigue resistance and contact-load capacity are critical design requirements.

What are the key mechanical properties and chemical composition of 20CrMnTi bar stock?

Per GB/T 3077, 20CrMnTi carries a nominal composition of 0.17–0.23% C, 1.00–1.30% Cr, 0.80–1.10% Mn, and 0.04–0.10% Ti. Specified mechanical minimums after heat treatment include tensile strength ≥ 1080 MPa, yield strength ≥ 835 MPa, elongation ≥ 10%, and impact energy (Akv) ≥ 55 J. Buyers should confirm whether the mill certificate references GB/T 3077-2015 (the current revision) or an earlier edition, as hardenability band requirements were tightened in the 2015 update.

How does 20CrMnTi compare to alternative carburizing grades like 20CrMo or 18CrNiMo7-6?

Grade selection for carburizing applications involves real trade-offs across cost, hardenability, and supply availability:

Grade	Standard	Core Toughness	Relative Raw Material Cost	Typical Application
20CrMnTi	GB/T 3077	Good	Lower (no Ni)	Automotive gears, axles
20CrMo	GB/T 3077	Moderate	Low	General machinery shafts
18CrNiMo7-6	EN 10084	Excellent	Higher (Ni-bearing)	Heavy gearboxes, wind turbines

20CrMnTi's titanium addition refines grain size without nickel, keeping alloy costs lower than European equivalents while meeting most automotive OEM fatigue specifications.

What international grade equivalents correspond to 20CrMnTi for cross-border procurement?

20CrMnTi does not have a direct ISO equivalent, but procurement teams routinely map it against comparable case-hardening grades from other systems. Approximate cross-references include:

\\AISI/SAE:\\ 8620 (closest US equivalent by hardenability)
\\DIN/EN:\\ 20MnCr5 (EN 10084)
\\JIS:\\ SCM420 (partial match; different Mn range)
\\GOST:\\ 18ХГТ

Buyers sourcing for export assemblies should request dual-certification mill test reports confirming compliance with both GB/T 3077 and the target equivalent standard, as chemical window overlaps are partial, not exact.

What should B2B buyers check when evaluating a Chinese alloy steel bar supplier's platform credentials?

Platform verification signals reduce — but do not eliminate — counterparty risk in cross-border steel procurement. Three markers carry the most weight: (1) Diamond Member tenure, where multi-year status such as active since 2021 indicates sustained commercial activity rather than a newly registered account; (2) a posted security deposit, with USD 300,000 representing a meaningful financial commitment that platforms can draw against in verified dispute cases; and (3) third-party factory audit status, which confirms physical production capability was inspected rather than self-declared. Shandong Kuaima Steel holds all three credentials on its platform profile.

What are typical lead times and minimum order quantities for 20CrMnTi bar from Chinese mills?

Standard hot-rolled 20CrMnTi bar in common diameters (20–100 mm) typically ships within 15–30 days ex-mill for stock sizes; custom rolled or forged sections may require 35–60 days depending on mill scheduling. MOQs from Chinese trading-backed manufacturers generally start at 1–5 metric tons per size, while direct mill orders often require 10–20 MT minimums to justify a dedicated heat. Buyers ordering smaller quantities should clarify whether bar is cut from an existing heat or a new melt, as heat traceability affects mill certificate validity for aerospace or automotive Tier 1 audits.

What trade documents and quality certifications should accompany a 20CrMnTi bar shipment?

A complete documentation package for 20CrMnTi bar should include:

1. \\Mill Test Certificate (MTC)\\ — heat number, chemical analysis, mechanical test results referencing GB/T 3077-2015

2. \\Packing List and Commercial Invoice\\ — itemizing diameter, length, weight per bundle

3. \\Bill of Lading\\ — identifying port of loading and Incoterms (FOB or CIF are standard for Chinese steel exports)

4. \\SGS or Bureau Veritas pre-shipment inspection report\\ — strongly recommended for first-time supplier orders

5. \\HS Code declaration\\ — 7228.30 applies to alloy steel bars of this type for customs classification

Request the MTC before shipment, not on arrival.

What are the main supply chain risks buyers should anticipate when sourcing 20CrMnTi bar from China in 2026?

Several structural challenges affect Chinese alloy bar procurement in 2026. Carbon border adjustment mechanisms in the EU are expanding scope, meaning buyers importing into Europe need mill-level emissions data — not all Chinese producers can supply verified Scope 1 figures yet. Freight rate volatility on Asia–Europe lanes remains a live pricing variable, making CIF quotes harder to hold firm beyond 30 days. Additionally, ongoing Chinese export policy reviews on certain steel categories can create short-notice lead time disruptions. Buyers are advised to build 45–60 day buffer stock for production-critical grades and to specify SGS pre-shipment inspection as a contract condition.

Conclusion

20CrMnTi remains the benchmark carburizing grade for high-load gear and axle applications precisely because its chromium-manganese-titanium chemistry delivers a hard case over a tough core — a combination that neither plain carbon nor lower-alloy grades can match at equivalent section sizes. Buyers specifying components to GB/T 3077 or cross-referencing DIN 1.7147 equivalents should confirm heat-treatment response data and hardenability band tolerances before committing to volume orders, as batch-to-batch consistency is the variable that separates acceptable material from production-line confidence.

One honest trade-off worth noting: sourcing directly from a Shandong mill compresses lead times and reduces intermediary markups, but it places documentation responsibility — mill certificates, SGS inspection coordination, and LC drafting — squarely on the buyer's team.

Shandong Kuaima Steel Co., Ltd. holds Diamond Member status on the platform since 2021, carries a USD 300,000 security deposit, and has passed independent platform audits. To request a 20CrMnTi bar specification sheet, current FOB Qingdao pricing, or available stock sizes, visit the Shandong Kuaima Steel supplier page on Sinoali.

Sources and References

Written by Sinoali Editorial Desk — Sinoali Steel Research Team

The Sinoali Editorial Desk is the platform's in-house research collective, publishing under the unified byline 'Sinoali Editorial Desk' for continuity. Each article is reviewed by a named domain expert (see 'Reviewed by' below). Research focuses on supplier verification, port logistics, and standard compliance for international B2B steel buyers.

Reviewed by Dr. Chen Yifan — Materials Compliance Reviewer. Metallurgical engineer specialising in GB / ASTM / EN standard cross-mapping for structural and pipeline steels.

Published 2026-04-15 · Sinoali Editorial Desk

常见问题

What is 20CrMnTi alloy steel bar and why is it used for gears and axles?

What are the key mechanical properties and chemical composition of 20CrMnTi bar stock?

How does 20CrMnTi compare to alternative carburizing grades like 20CrMo or 18CrNiMo7-6?

Grade selection for carburizing applications involves real trade-offs across cost, hardenability, and supply availability: | Grade | Standard | Core Toughness | Relative Raw Material Cost | Typical Application | |---|---|---|---|---| | 20CrMnTi | GB/T 3077 | Good | Lower (no Ni) | Automotive gears, axles | | 20CrMo | GB/T 3077 | Moderate | Low | General machinery shafts | | 18CrNiMo7-6 | EN 10084 | Excellent | Higher (Ni-bearing) | Heavy gearboxes, wind turbines | 20CrMnTi\'s titanium addition refines grain size without nickel, keeping alloy costs lower than European equivalents while meeting most automotive OEM fatigue specifications.

What international grade equivalents correspond to 20CrMnTi for cross-border procurement?

20CrMnTi does not have a direct ISO equivalent, but procurement teams routinely map it against comparable case-hardening grades from other systems. Approximate cross-references include: - **AISI/SAE:** 8620 (closest US equivalent by hardenability) - **DIN/EN:** 20MnCr5 (EN 10084) - **JIS:** SCM420 (partial match; different Mn range) - **GOST:** 18ХГТ Buyers sourcing for export assemblies should request dual-certification mill test reports confirming compliance with both GB/T 3077 and the target equivalent standard, as chemical window overlaps are partial, not exact.

What should B2B buyers check when evaluating a Chinese alloy steel bar supplier\'s platform credentials?

What are typical lead times and minimum order quantities for 20CrMnTi bar from Chinese mills?

What trade documents and quality certifications should accompany a 20CrMnTi bar shipment?

A complete documentation package for 20CrMnTi bar should include: 1. **Mill Test Certificate (MTC)** — heat number, chemical analysis, mechanical test results referencing GB/T 3077-2015 2. **Packing List and Commercial Invoice** — itemizing diameter, length, weight per bundle 3. **Bill of Lading** — identifying port of loading and Incoterms (FOB or CIF are standard for Chinese steel exports) 4. **SGS or Bureau Veritas pre-shipment inspection report** — strongly recommended for first-time supplier orders 5. **HS Code declaration** — 7228.30 applies to alloy steel bars of this type for customs classification Request the MTC before shipment, not on arrival.

20CrMnTi Steel Bar Specs & Price 2026 | Shandong Kuaima Steel

Market Overview

Key Industry Trends (2026–2030)

What is driving demand for 20CrMnTi alloy steel bar?

How are supply dynamics shaping the 20CrMnTi bar market?

Which processes and standards matter most when specifying carburizing-grade bar?

Material Grades and Technical Specifications

Pricing, MOQ and Order Economics

Trade-offs and Verification Checklist

Featured Supplier

Frequently Asked Questions

What is 20CrMnTi alloy steel bar and why is it used for gears and axles?

What are the key mechanical properties and chemical composition of 20CrMnTi bar stock?

How does 20CrMnTi compare to alternative carburizing grades like 20CrMo or 18CrNiMo7-6?

What international grade equivalents correspond to 20CrMnTi for cross-border procurement?

What should B2B buyers check when evaluating a Chinese alloy steel bar supplier's platform credentials?

What are typical lead times and minimum order quantities for 20CrMnTi bar from Chinese mills?

What trade documents and quality certifications should accompany a 20CrMnTi bar shipment?

What are the main supply chain risks buyers should anticipate when sourcing 20CrMnTi bar from China in 2026?

Conclusion

Sources and References

Related Reading

常见问题

What is 20CrMnTi alloy steel bar and why is it used for gears and axles?

What are the key mechanical properties and chemical composition of 20CrMnTi bar stock?

How does 20CrMnTi compare to alternative carburizing grades like 20CrMo or 18CrNiMo7-6?

What international grade equivalents correspond to 20CrMnTi for cross-border procurement?

What should B2B buyers check when evaluating a Chinese alloy steel bar supplier\'s platform credentials?

What are typical lead times and minimum order quantities for 20CrMnTi bar from Chinese mills?

What trade documents and quality certifications should accompany a 20CrMnTi bar shipment?

What are the main supply chain risks buyers should anticipate when sourcing 20CrMnTi bar from China in 2026?