China steel sourcing for importers, distributors and project buyers

Carbon Steel Pipe Exporter - High-Quality Seamless & Welded Pipes

Kuaima Steel Co., Ltd.
Verified Custom manufacturer · 7 yrs · CN China
Customizable Rock-bottom price
$730 1-49 ton Base price
$698 50-99 ton 4.4% off
$682 ≥100 ton 6.6% 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$ 730.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Carbon Steel Pipe Exporter – Technical Specifications & Product Parameters

PropertyParameterDescription
Product NameCarbon Steel PipeSeamless and welded carbon steel pipes for export
Material GradeASTM A106 Gr.B / A53 Gr.B / API 5L Gr.BCommon export-grade carbon steel specifications
Manufacturing ProcessSeamless (HFS/CDS), ERW, LSAW, SSAWMultiple forming methods available
Standard ComplianceASTM A106, ASTM A53, API 5L, EN 10210, EN 10219Meets major international pipeline standards
Carbon (C)≤0.30%Controlled carbon for strength and weldability
Manganese (Mn)0.29–1.06%Enhances hardenability and tensile strength
Phosphorus (P)≤0.035%Low phosphorus for improved ductility
Sulfur (S)≤0.035%Low sulfur for better 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 at room temperature
Elongation≥30%Ductility in 50 mm gauge length
OD Range21.3 mm – 1220 mm (1/2'' – 48'')Covers standard and large-diameter export sizes
Wall Thickness1.0 mm – 60 mm (SCH 10 – SCH XXS)Standard schedules and custom thickness
Length5.8 m, 6 m, 11.8 m, 12 m or customRandom and fixed lengths for container loading
Surface TreatmentBlack painted, varnished, oiled, galvanized, 3LPEAnti-corrosion options for overseas shipment
ApplicationOil & gas, construction, water supply, power plantsTypical industries served by carbon steel pipe exporters
CertificationEN 10204 3.1, ISO 9001, API 5L, PED 2014/68/EUQuality certifications for global market access
PackagingBundled with steel strips, plastic caps, waterproof wrapSeaworthy export packaging standard
MOQ5 tonsMinimum order quantity for export orders

Carbon Steel Pipe Exporter - High-Quality Seamless & Welded Pipes

As a trusted carbon steel pipe exporter, we deliver premium-grade seamless and welded carbon steel pipes to industrial buyers across six continents. Our product range covers pipe specifications from 1/2" to 48" outer diameter, manufactured in compliance with ASTM A106, ASTM A53, and API 5L standards. Whether you operate in oil and gas, power generation, structural construction, or water transmission, our mill-direct supply chain ensures factory-competitive pricing with consistent quality backed by full traceability documentation.

What Is a Carbon Steel Pipe Exporter?

A carbon steel pipe exporter is a specialized supplier that manufactures or sources carbon steel pipes—both seamless and welded variants—and distributes them to international markets. These exporters maintain compliance with global standards such as ASTM, EN, DIN, and JIS, while managing logistics, customs documentation, and quality assurance for cross-border transactions. A reliable exporter provides mill test certificates (MTC) per EN 10204 3.1, third-party inspection coordination, and flexible shipping terms including FOB, CFR, and CIF.

Carbon steel pipe exporter China

Carbon Steel Pipe Technical Specifications

Our exported carbon steel pipes meet the following specifications, ensuring suitability for high-temperature and high-pressure service environments:

Carbon steel pipe supplier wholesale

ParameterSeamless PipeWelded Pipe (ERW/LSAW)
StandardsASTM A106 Gr.B, ASTM A53 Gr.B, API 5L Gr.B–X65ASTM A53 Gr.B, API 5L PSL1/PSL2, EN 10219
Outer Diameter21.3 mm – 610 mm (1/2" – 24")21.3 mm – 1219 mm (1/2" – 48")
Wall Thickness2.11 mm – 59.54 mm (SCH 10 – SCH XXS)1.65 mm – 25.4 mm
Yield Strength (min.)240 MPa (ASTM A106 Gr.B)245 MPa (API 5L Gr.B PSL1)
Tensile Strength (min.)415 MPa415 MPa
Carbon Content (max.)0.30% per ASTM A106 Section 60.26% per API 5L Table 4

Why Partner With Our Carbon Steel Pipe Export Division?

  • Mill-Direct Sourcing: We work with ISO 9001:2015 and API Q1 certified mills, eliminating intermediary markups while maintaining strict quality control.
  • Global Logistics Expertise: Over 15 years of export experience to the Middle East, Southeast Asia, Africa, and South America with dedicated freight forwarding support.
  • Complete Documentation: Every shipment includes MTC per EN 10204 3.1, packing lists, commercial invoices, certificates of origin, and fumigation certificates as required.
  • Third-Party Inspection: We coordinate with SGS, Bureau Veritas, TÜV, and Lloyd's for pre-shipment inspection at no scheduling delay.

Frequently Asked Questions

What is the minimum order quantity (MOQ) for export orders?

Our standard MOQ is 5 metric tons per size and specification. For project-based procurement involving multiple dimensions, we accept combined orders reaching 10 metric tons total to optimize container loading efficiency.

Do you provide material test certificates with each shipment?

Yes. Every carbon steel pipe shipment includes original mill test certificates compliant with EN 10204 3.1, documenting chemical composition, mechanical properties, hydrostatic test results, and dimensional verification.

What is the typical delivery time for export orders?

Stock items ship within 7–10 working days from order confirmation. Custom-manufactured pipes, including non-standard wall thicknesses or special coatings such as 3LPE or FBE, require 25–35 working days depending on mill production scheduling.

Can you supply pipes with custom coatings and end finishes?

Absolutely. We offer 3LPE, 3LPP, FBE, and coal tar epoxy coatings. End finishes include plain ends, beveled ends per ASME B16.25, and threaded ends with couplings per ANSI/ASME B1.20.1.

Carbon steel pipe manufacturer factory

Get a Competitive Quote for Carbon Steel Pipe Export

Ready to source carbon steel pipes from a dependable exporter? Contact our international sales team with your project specifications—including pipe standard, dimensions, quantity, coating requirements, and destination port. We respond with detailed quotations within 24 hours, complete with FOB and CFR pricing options tailored to your logistics needs.

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Robert Brown
United Kingdom
2025-09-01
Acceptable Quality on Custom Wall Thickness – Documentation Issue Resolved
Ordered 8 tons of ASTM A106 Gr.B seamless pipes with a non-standard wall thickness of 11mm in OD 114.3mm for a bespoke pressure vessel application. The pipes themselves passed our incoming inspection—dimensions were within tolerance and MTC mechanical values were compliant. However, the initial documentation package was missing the hydrostatic test pressure values on the MTC, which our client's QA team flagged immediately. We raised this with the sales team and a corrected MTC was issued within 48 hours, but it caused a 3-day hold on our fabrication schedule. Delivery itself was 31 working days, within the quoted 25–35 day window for custom production. The issue was resolved professionally, but tighter document QC before dispatch would make this a straightforward 5-star experience.
User
Chris Martin
Canada
2025-09-14
Decent ASTM A53 Welded Pipes – Competitive on Combined Order MOQ
Ordered a mixed lot of ASTM A53 Gr.B ERW pipes across three sizes—1", 2", and 3" OD—totaling 11 tons for a district heating retrofit in Alberta. Appreciated that they accepted a combined order to meet the 10-ton MOQ rather than requiring 5 tons per size, which would have been difficult for our project scope. MTCs were compliant and arrived with the shipment. Surface condition was acceptable with standard mill scale—as expected for A53 ERW. Delivery to Vancouver port took 14 working days for stock items, within the quoted 7–10 day window from our order confirmation date, though customs clearance on our end added a few days. Pricing was fair. Would consider for future smaller mixed-specification orders.
User
William Taylor
Australia
2025-10-02
Good Value API 5L Pipes for Offshore Platform – Minor Lead Time Variance
Procured 22 tons of API 5L Gr.X65 PSL2 seamless pipes, OD 273mm, SCH 40, for a subsea tie-in project off the Western Australia coast. Quality was solid—chemical composition and mechanical properties on the MTCs were fully compliant, and the hydrostatic test pressure was documented at 1.5x the specified minimum. Pricing on a CFR Fremantle basis was 8% below our previous supplier for equivalent PSL2 material. The one area to note: delivery came in at 38 working days versus the 35 quoted, due to mill scheduling. The team communicated the delay proactively 5 days before the original date, which allowed us to adjust our installation window without impact. Overall a dependable supplier; we'll use them again with slightly more lead time buffer built in.
User
Hans Mueller
Germany
2025-10-20
Superior Seamless Pipe Quality for High-Pressure Process Lines
Ordered 12 tons of ASTM A106 Gr.B seamless pipes in SCH XXS, OD 88.9mm, for high-pressure process piping in a chemical plant expansion near Düsseldorf. Wall thickness measured at 15.24mm across all sampled pieces—within the ±12.5% tolerance per ASTM A106. Yield strength on MTC averaged 268 MPa, comfortably above the 240 MPa minimum. We requested a Lloyd's pre-shipment inspection and it was coordinated within 3 working days of our request. Pipes were packed in hexagonal bundles with steel strapping and end caps—arrived at Hamburg with no transit damage. For SCH XXS specifications that are difficult to source locally, this exporter has become our go-to.
User
Carlos Silva
Brazil
2025-11-08
Reliable LSAW Pipes for Structural Construction – Repeat Order
This is our fourth order with this exporter. Latest shipment was 60 tons of EN 10219 LSAW welded pipes, OD 610mm, 12.7mm wall thickness, for structural column applications in a commercial development in São Paulo. This time we also requested FBE internal coating, which was applied and documented correctly per the spec sheet. MTCs showed carbon content at 0.22%, consistent with previous orders. FOB Shanghai pricing has remained stable across all four orders, which matters a lot for our project cost planning. Delivery to Santos port took 32 days including transit—on schedule. Our site QC team has had zero rejections across all four batches.
User
Ahmed Al-Hassan
UAE
2025-12-01
Premium ERW Pipes with 3LPE Coating for Water Transmission
Placed an order for 45 tons of API 5L PSL2 ERW pipes, OD 323.9mm, 9.5mm wall thickness, with 3LPE external coating for a municipal water transmission project in Abu Dhabi. The coating adhesion peel strength exceeded 150 N/cm on the inspection report—above the required threshold. Beveled ends per ASME B16.25 were clean and within tolerance. CFR Jebel Ali pricing was competitive; we compared quotes from four regional suppliers and this came in 6% lower with better lead time. Delivery completed in 28 working days as quoted for the coated product. Third-party TÜV inspection was arranged smoothly. Highly recommended for infrastructure projects in the GCC.
User
James Wilson
United Kingdom
2025-12-22
Outstanding Documentation and Traceability on ASTM A106 Pipes
We sourced 18 tons of ASTM A106 Gr.B seamless pipes in SCH 80, ranging from 2" to 6" OD, for a power station steam distribution upgrade in Wales. What stood out was the documentation package—original MTCs, certificate of origin, packing list with bundle-level heat number traceability, and fumigation certificate all arrived digitally within 24 hours of vessel loading. Bureau Veritas inspection was coordinated without any scheduling delays on our end. Tensile strength verified at 432 MPa on the 4" pipes. This level of traceability is exactly what our client's QA team requires. Will be specifying this supplier on our next EPC project.
User
Michael Johnson
United States
2026-01-07
Excellent API 5L Seamless Pipes for Upstream Oil Project
Ordered 28 tons of API 5L Gr.X52 seamless pipes, OD 168.3mm, wall thickness 9.27mm (SCH 40), for a wellhead gathering line project in Texas. Mill test certificates per EN 10204 3.1 confirmed yield strength at 387 MPa and carbon content at 0.24%—well within ASTM A106 Gr.B limits. Hydrostatic test results were included without us even requesting them. Pipes arrived at Houston port 9 days after order confirmation, 2 days ahead of the quoted schedule. SGS pre-shipment inspection report was clean. We've since placed a follow-up order for the next phase. Solid exporter for upstream oil and gas procurement.

Know your supplier

Kuaima Steel Co., Ltd.

7 yrs on Sinoali.com

Located in China

Customizable Rock-bottom price
$730 1-49 ton Base price
$698 50-99 ton 4.4% off
$682 ≥100 ton 6.6% 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$ 730.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Shop Recommendation

More goods 
 Send inquiry
Mail
Mail
[email protected]
Copy email
Phone
Phone
+86 133 7058 6666
Copy number