Alloy Steel Billet - High-Strength Hot-Rolled Carbon Alloy Billets for Forging & Rolling
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Alloy Steel Billet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Alloy Steel Billet | Semi-finished steel product for forging and rolling |
| Material Grade | AISI 4140, 4340, 8620, 42CrMo4, 34CrNiMo6 | Common alloy steel grades per international standards |
| Standard Compliance | ASTM A29, EN 10083, JIS G4053, GB/T 3077 | Meets major international standards |
| Carbon (C) | 0.15-0.50% | Carbon content varies by grade |
| Chromium (Cr) | 0.40-1.50% | Improves hardenability and wear resistance |
| Molybdenum (Mo) | 0.15-0.30% | Enhances strength at elevated temperatures |
| Nickel (Ni) | 0.40-1.80% | Improves toughness and corrosion resistance |
| Manganese (Mn) | 0.50-1.00% | Increases strength and hardenability |
| Silicon (Si) | 0.15-0.40% | Deoxidizer and strengthener |
| Tensile Strength | ≥655-1030 MPa | Minimum tensile strength depending on grade |
| Yield Strength | ≥415-900 MPa | Minimum yield strength per standard |
| Elongation | ≥12-20% | Ductility in 50mm gauge length |
| Cross Section | 100×100 - 400×400 mm | Square and rectangular sections available |
| Length | 3-12 meters or custom | Standard and customized lengths |
| Manufacturing Process | Continuous casting or forged | Modern production methods |
| Application | Automotive parts, machinery, gears, shafts | Typical industrial applications |
| Heat Treatment | Annealed, normalized, quenched & tempered | Available heat treatment conditions |
| Certification | EN 10204 3.1/3.2, ISO 9001, ASTM | Quality certifications provided |
| MOQ | 10 tons | Minimum order quantity |
Alloy Steel Billet - High-Strength Hot-Rolled Carbon Alloy Billets for Forging & Rolling
Alloy steel billets serve as critical semi-finished products in modern metallurgical manufacturing, providing the foundational material for forging, rolling, and extrusion processes across automotive, construction, and heavy machinery sectors. These hot-rolled carbon alloy billets deliver exceptional mechanical strength, superior hardenability, and consistent dimensional accuracy, making them the preferred choice for manufacturers requiring reliable feedstock for downstream processing operations.
What is Alloy Steel Billet?
An alloy steel billet is a semi-finished casting product manufactured through continuous casting or ingot breakdown processes, characterized by a square or rectangular cross-section typically ranging from 100mm to 300mm. These billets contain deliberate additions of alloying elements such as chromium, molybdenum, nickel, and vanadium to enhance specific properties beyond those achievable with plain carbon steel, meeting stringent requirements outlined in ASTM A29/A29M-20 and EN 10083-1:2006 standards.
Alloy Steel Billet Technical Specifications
Our hot-rolled alloy steel billets comply with international metallurgical standards, featuring carbon content ranging from 0.15% to 0.50% depending on grade selection, with tensile strength values between 550 MPa and 850 MPa per ASTM A322-17 testing protocols. Standard dimensions include 120mm × 120mm, 150mm × 150mm, and 200mm × 200mm cross-sections, with lengths extending up to 12 meters to accommodate diverse manufacturing requirements. Chemical composition analysis certificates verify compliance with EN 10204 Type 3.1 documentation standards, ensuring traceability throughout the supply chain.
Why Choose Our Alloy Steel Billets
Our manufacturing facility employs advanced ladle refining furnace (LRF) technology combined with electromagnetic stirring systems, achieving sulfur content below 0.015% and phosphorus levels under 0.020% for enhanced machinability and weldability. Each production batch undergoes ultrasonic testing per ASTM A388-17a requirements, guaranteeing internal soundness and freedom from center segregation defects. We maintain ISO 9001:2015 certified quality management systems, providing mill test certificates, dimensional inspection reports, and material traceability documentation with every shipment.
Frequently Asked Questions
What is the minimum order quantity (MOQ)?
Our standard minimum order quantity is 25 metric tons per specification, though we accommodate smaller trial orders of 10 tons for new customers evaluating material performance. Volume discounts apply for orders exceeding 100 tons, with flexible payment terms available for established accounts.

Do you provide material test certificates?
Yes, we supply comprehensive EN 10204 Type 3.1 mill test certificates with every shipment, including chemical composition analysis via optical emission spectrometry, mechanical property verification through tensile testing per ASTM E8/E8M-21, and dimensional inspection reports certified by third-party inspection agencies such as SGS or Bureau Veritas.

What is the typical delivery time?
Standard lead time ranges from 25 to 35 days from purchase order confirmation for stock specifications, while customized grades requiring special heat treatment cycles may extend to 45 days. Expedited production scheduling is available for urgent requirements, with air freight coordination to meet critical project timelines.

Can you cut to custom sizes?
Absolutely, our precision sawing equipment handles custom length cutting with tolerance of ±5mm, while our machining center provides surface milling services to achieve Ra 3.2μm finish when specified. We also offer chamfering, deburring, and protective coating application to meet specific handling or storage requirements.
Get a Competitive Quote for Alloy Steel Billets
Contact our technical sales team today to receive factory-direct pricing on premium-grade alloy steel billets tailored to your forging or rolling applications. Our metallurgical engineers provide complimentary material selection consultation, comparing chromium-molybdenum, nickel-chromium, and other alloy systems to optimize performance while controlling material costs. Request your detailed quotation now, including chemical composition recommendations, mechanical property projections, and logistics coordination for seamless integration into your production schedule.
Ratings & Reviews
Know your supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request