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Custom Size Carbon Steel Pipe - Precision-Made for Industrial Applications

Kuaima Steel Co., Ltd.
Verified Custom manufacturer · 7 yrs · CN China
Customizable Rock-bottom price
$505 1-49 ton Base price
$483 50-99 ton 4.4% off
$472 ≥100 ton 6.5% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 505.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Custom Size Carbon Steel Pipe Specification Sheet

PropertyParameterDescription
Product NameCustom Size Carbon Steel PipeTailored carbon steel pipe to exact project dimensions
Material GradeASTM A106 Gr.B / ASTM A53 Gr.B / API 5L Gr.BCommon carbon steel grade equivalents
Standard ComplianceASTM A106, ASTM A53, API 5L, EN 10210, GB/T 8162Meets major international pipe standards
Manufacturing ProcessSeamless / ERW / LSAW / SSAWMultiple processes available per specification
Carbon (C)≤0.30%Provides structural strength
Manganese (Mn)0.29–1.06%Improves hardenability and toughness
Phosphorus (P)≤0.035%Controlled for improved ductility
Sulfur (S)≤0.035%Low sulfur ensures good weldability
Silicon (Si)≥0.10%Acts as deoxidizer and strengthener
Tensile Strength≥415 MPaMinimum value per ASTM A106 Gr.B
Yield Strength≥240 MPaMinimum yield strength guarantee
Elongation≥30%Ductility in 50 mm gauge length
Custom OD Range10 mm–1220 mmNon-standard outer diameters available on request
Custom Wall Thickness1 mm–120 mmPrecision thickness per client drawing
Custom Length1 m–18 m or as requiredCut-to-length and random lengths supported
Surface TreatmentBlack painted, oiled, galvanized, 3PE coatedMultiple anti-corrosion options
ApplicationConstruction, oil & gas, water supply, machineryWide range of industrial applications
CertificationEN 10204 3.1, ISO 9001, API 5L, SGSQuality certifications provided with shipment
PackagingBundled with steel strips, plastic caps on endsStandard seaworthy export packaging
MOQ5 tonsMinimum order quantity for custom sizes

Custom Size Carbon Steel Pipe - Precision-Made for Industrial Applications

Custom size carbon steel pipe delivers a tailored piping solution for projects where standard dimensions fall short. Manufactured to buyer-specified outside diameters, wall thicknesses, and cut lengths, these pipes serve critical roles in oil and gas transmission, structural fabrication, power generation, and mechanical processing. By eliminating the need for costly on-site modification, custom-dimensioned carbon steel pipe helps engineering teams reduce material waste, shorten installation timelines, and maintain tighter design tolerances across demanding industrial environments.

Custom size carbon steel pipe supplier

What Is Custom Size Carbon Steel Pipe?

Custom size carbon steel pipe refers to seamless or welded tubular products manufactured to non-standard or project-specific dimensions. Rather than selecting from fixed inventory sizes, buyers specify exact outer diameter (OD), wall thickness (WT), and length requirements. Production typically follows ASTM A106/A53, API 5L, or EN 10210 standards, ensuring each piece meets the same mechanical and chemical benchmarks as catalogue-listed products while matching precise dimensional needs.

Custom size carbon steel pipe wholesale

Custom Size Carbon Steel Pipe Technical Specifications

Our custom-manufactured carbon steel pipes are produced according to internationally recognized standards with full dimensional traceability.

ParameterAvailable Range
Outside Diameter21.3 mm – 1220 mm (¼″ – 48″)
Wall Thickness1.5 mm – 60 mm per ASME B36.10M
LengthCut-to-length up to 18 meters
Steel GradesASTM A106 Grade B/C, API 5L Grade B–X70, ASTM A53 Grade B
Tensile Strength (A106 Gr.B)≥ 415 MPa per ASTM A106/A106M-19a
Yield Strength (A106 Gr.B)≥ 240 MPa
Carbon Content (A106 Gr.B)≤ 0.30% maximum
Manufacturing MethodSeamless (hot-rolled / cold-drawn), ERW, LSAW
Surface TreatmentBlack painted, varnished, oiled, galvanized, or bare

Key Advantages of Ordering Custom Dimensions

  • Waste Reduction – Precise cut lengths eliminate field trimming, lowering scrap rates by up to 15%.
  • Faster On-Site Assembly – Pre-sized pipes arrive ready for welding or flanging, compressing project schedules.
  • Design Flexibility – Non-standard OD/WT combinations accommodate unique pressure ratings or space constraints.
  • Full Standard Compliance – Every custom order undergoes hydrostatic testing, ultrasonic examination, and dimensional verification per API 5L Section 10 or ASTM A106/A106M-19a.

Applications of Custom Size Carbon Steel Pipe

Custom-dimensioned carbon steel piping finds extensive application in sectors where off-the-shelf sizes cannot satisfy engineering calculations. Common uses include:

  • Oil and gas gathering lines and transmission pipelines (API 5L PSL1/PSL2)
  • High-temperature steam service in power plants (ASTM A106 Gr.B/C, service up to 425 °C)
  • Structural columns and piling for bridges and offshore platforms
  • Mechanical tubing for hydraulic cylinders and heavy equipment
  • Process piping in refineries and petrochemical facilities

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

For custom size carbon steel pipe, our standard MOQ starts at 5 metric tons. Smaller trial quantities may be arranged on a per-project basis—contact our sales team for details.

Do you provide material test certificates?

Yes. Every shipment includes EN 10204 Type 3.1 Mill Test Certificates covering chemical composition, mechanical properties, hydrostatic test results, and dimensional inspection records.

Custom size carbon steel pipe China

What is the typical delivery time?

Standard production lead time ranges from 15 to 30 working days depending on grade, dimensions, and order volume. Expedited schedules are available for urgent project requirements.

Can you produce non-standard OD and wall thickness combinations?

Absolutely. Our rolling and cold-drawing capabilities support bespoke OD/WT pairings outside ASME B36.10M catalogue listings. Provide your target dimensions and operating pressure, and our engineers will confirm feasibility within 24 hours.

Get a Competitive Quote for Custom Size Carbon Steel Pipe

Share your project specifications—including grade, dimensions, quantity, and required certifications—and receive a factory-competitive quotation within one business day. Our technical team is ready to recommend the optimal combination of steel grade, manufacturing method, and surface finish to meet your performance and budget targets. Request your free quote now.

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Wei Chen
Singapore
2025-09-01
Acceptable Carbon Steel Pipe Quality, Documentation Issue Resolved
Ordered 8 metric tons of API 5L Grade B seamless pipe, OD 60.3 mm, wall 5.54 mm, for a petrochemical client in Indonesia. The pipe dimensions and mechanical properties were within specification when we checked against the MTR. However, the initial shipment documents were missing the hydrostatic test pressure records, which our end client required for regulatory submission. We raised this within 24 hours of receiving the paperwork and the complete test records were emailed within two business days—so the issue was resolved before cargo arrived at port. Delivery was 27 working days, within the quoted range. Quality of the pipe itself was acceptable; the documentation process needs to be more thorough on first issue.
User
Chris Martin
Canada
2025-09-12
Decent Custom ERW Pipe, Good Value for Mechanical Tubing Application
Placed a 10-ton order for ERW carbon steel pipe, ASTM A53 Grade B, OD 114.3 mm, wall 6.02 mm, cut to 4.5-meter lengths for mechanical support frames on agricultural processing equipment. Pricing was noticeably competitive versus North American service center quotes for equivalent custom cuts. Quality documentation was complete and EN 10204 3.1 certificates arrived digitally before the physical shipment, which helped our QC team pre-clear the material. One minor point: two pieces in the lot had surface scuff marks from transit banding—not structurally significant but worth noting for cosmetic applications. The sales team responded within a few hours when we flagged it. Overall good value for structural mechanical tubing.
User
Carlos Silva
Brazil
2025-10-04
Reliable ASTM A106 Pipe for High-Temperature Steam Service
We required ASTM A106 Grade B seamless pipe in OD 168.3 mm, wall 11 mm, cut to 6-meter lengths for high-temperature steam headers in a sugar-ethanol cogeneration plant operating at 380 °C. Ordered 14 tons. Carbon content on the MTR showed 0.24%, comfortably below the 0.30% maximum, which our process engineer specifically verified before sign-off. Hydrostatic test pressure records were provided per ASTM A106/A106M-19a requirements. Shipment arrived in 24 working days. Compared this supplier against two Brazilian distributors and one European mill—landed cost was 8% lower with equivalent documentation quality. Will be specifying this source for our next phase expansion.
User
William Taylor
Australia
2025-10-28
Premium Custom Pipe for Offshore Platform Structural Piling
Procured 60 metric tons of large-diameter LSAW carbon steel pipe, OD 762 mm, wall thickness 19.05 mm, in API 5L Grade X60 for jacket leg piling on an offshore gas platform in the Timor Sea. Each pipe was cut to 12-meter lengths with beveled ends ready for welding. EN 10204 3.1 mill certificates covered full heat traceability, Charpy impact test results at -20 °C, and hydrostatic test records. Dimensional checks on arrival showed length tolerance within ±5 mm across all 85 pieces. The waste reduction from pre-cut lengths versus buying random mill lengths saved us an estimated 12% in material cost on this order. Technical support during specification review was thorough and responsive.
User
Ahmed Al-Hassan
UAE
2025-11-18
Good Quality API 5L Pipe, Slight Delay but Well Managed
Ordered 25 tons of API 5L Grade X52 PSL2 seamless pipe, OD 219.1 mm, wall 8.18 mm, for process piping at a refinery expansion in Abu Dhabi. Material quality was solid—chemical composition and mechanical test results aligned with our purchase spec, and ultrasonic examination records were included. Delivery came in at 28 working days versus the 22 quoted, due to a raw material availability issue the team communicated proactively at day 15. That transparency helped us adjust the installation schedule without major disruption. Oiled surface finish was applied uniformly. Would order again for similar projects.
User
Hans Mueller
Germany
2025-12-01
Superior Cold-Drawn Tubing for Hydraulic Cylinder Production
We specified cold-drawn seamless carbon steel tube in ASTM A106 Grade C, OD 88.9 mm, wall thickness 14 mm, cut to 3.5-meter lengths for hydraulic cylinder housings on heavy excavation equipment. Ordered 9 metric tons across two size variants. The internal surface finish was smooth enough to reduce our honing allowance, saving measurable machining time per piece. Yield strength certificates showed consistent results at 275–285 MPa across the heat lot—well above the 240 MPa minimum. Lead time was 19 working days. We evaluated three European and two Asian suppliers before selecting this source. Price per ton was competitive and quality documentation was complete on arrival.
User
James Wilson
United Kingdom
2025-12-22
Excellent Precision on Non-Standard OD for Structural Columns
Our structural team needed ASTM A106 Grade B pipe at a non-catalogue OD of 406 mm with 25 mm wall thickness for bridge piling on a motorway widening contract. Ordered 18 tons cut to 9-meter lengths. The engineering team confirmed feasibility within 20 hours of submitting our drawing, which was faster than promised. Dimensional verification reports showed OD tolerance within ±0.5 mm across all pieces—zero field trimming needed on site. Surface was black painted as specified, with no mill scale lifting after 6 weeks of outdoor storage. Third order with this supplier and consistency remains the standout quality.
User
Michael Johnson
United States
2026-01-07
Outstanding Custom Carbon Steel Pipe for Transmission Project
We sourced 42 metric tons of custom seamless carbon steel pipe in API 5L Grade X65, OD 323.9 mm with 12.7 mm wall thickness, cut to 11.8-meter lengths for a natural gas gathering line in West Texas. Mill test certificates confirmed tensile strength at 531 MPa and carbon content well within spec. Hydrostatic test results were included with each bundle. Delivery completed in 22 working days, which fit our construction window perfectly. EN 10204 Type 3.1 certificates arrived with the shipment—no chasing required. We had compared quotes from four suppliers before placing this order, and the dimensional accuracy here was noticeably tighter. Highly suitable for PSL2 pipeline applications.

Know your supplier

Kuaima Steel Co., Ltd.

7 yrs on Sinoali.com

Located in China

Customizable Rock-bottom price
$505 1-49 ton Base price
$483 50-99 ton 4.4% off
$472 ≥100 ton 6.5% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 505.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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