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High Pressure Carbon Steel Pipe - Durable Industrial Grade

Kuaima Steel Co., Ltd.
Verified Custom manufacturer · 7 yrs · CN China
Customizable Rock-bottom price
$950 1-49 ton Base price
$905 50-99 ton 4.7% off
$885 ≥100 ton 6.8% 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$ 950.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of High Pressure Carbon Steel Pipe

PropertyParameterDescription
Product NameHigh Pressure Carbon Steel PipeSeamless carbon steel pipe for high pressure service
Material GradeASTM A106 Grade B / ASTM A53 Grade B / API 5L Grade BInternational grade equivalents for high pressure applications
Standard ComplianceASTM A106, ASME SA106, API 5L, ASTM A53Meets major international high pressure piping standards
Manufacturing ProcessHot Rolled SeamlessSeamless process ensures uniform wall thickness and pressure integrity
Carbon (C)≤0.30%Carbon content for high temperature strength
Manganese (Mn)0.29-1.06%Improves hardenability and tensile strength
Phosphorus (P)≤0.035%Controlled for ductility and toughness
Sulfur (S)≤0.035%Low sulfur for improved weldability
Silicon (Si)≥0.10%Deoxidizer and strength enhancer
Tensile Strength≥415 MPaMinimum tensile strength per ASTM A106 Grade B
Yield Strength≥240 MPaMinimum yield strength for high pressure resistance
Elongation≥30%Ductility in 50mm gauge length
OD Range21.3mm - 914mm (1/2'' - 36'')Available outer diameter options
Wall Thickness2.11mm - 59.54mm (SCH 40 - SCH XXS)Standard and extra heavy wall schedules
Length5.8m - 12m or customSingle random, double random, or cut-to-length
Pressure RatingUp to 42 MPa (6000 PSI)Depending on OD, wall thickness, and temperature
Service Temperature-29°C to 450°CSuitable for high temperature and high pressure environments
ApplicationOil & gas, power plants, boilers, petrochemical, hydraulic systemsTypical high pressure service industries
CertificationEN 10204 3.1, ISO 9001, API 5L, PED 2014/68/EUQuality and pressure equipment certifications
MOQ5 tonsMinimum order quantity

High Pressure Carbon Steel Pipe - Durable Industrial Grade

High pressure carbon steel pipe is an essential piping solution engineered to transport fluids and gases under elevated pressure conditions across demanding industrial environments. Manufactured from carbon steel grades with controlled chemical compositions, these pipes deliver exceptional mechanical strength, thermal stability, and long service life. They serve critical roles in power generation, petrochemical processing, oil and gas transmission, and boiler systems where reliable performance under sustained pressure is non-negotiable. Our mill-direct supply ensures factory-competitive pricing with full traceability on every shipment.

What Is High Pressure Carbon Steel Pipe?

High pressure carbon steel pipe refers to seamless or welded steel tubing specifically designed to withstand internal pressures exceeding 1,600 psi (11 MPa). These pipes are produced from carbon steel with a carbon content typically ranging from 0.10% to 0.30%, combined with manganese and silicon for enhanced tensile properties. They are manufactured according to ASTM A106/A106M, ASTM A53 Grade B, and API 5L PSL2 specifications to ensure consistent wall thickness, dimensional accuracy, and pressure-bearing capacity.

High Pressure Carbon Steel Pipe Technical Specifications

Our carbon steel pipes for high pressure service conform to the following technical parameters:

PropertySpecification
StandardsASTM A106 Grade B/C, ASTM A53 Grade B, API 5L X42–X70, EN 10216-2
Outer Diameter21.3 mm – 610 mm (1/2" – 24")
Wall ThicknessSCH 40, SCH 80, SCH 120, SCH 160, XXS
Tensile Strength≥ 415 MPa (Grade B) / ≥ 485 MPa (Grade C) per ASTM A106
Yield Strength≥ 240 MPa (Grade B) / ≥ 275 MPa (Grade C)
Operating Temperature-29°C to 425°C continuous service
Manufacturing ProcessHot-rolled seamless (primary), ERW for select sizes
Surface TreatmentBlack paint, varnish, oil coating, or galvanized per request

Key Applications of High Pressure Carbon Steel Pipe

  • Power Plants & Boiler Systems: Superheater tubes and steam transfer lines operating at pressures up to 4,000 psi and temperatures reaching 425°C
  • Oil & Gas Transmission: Upstream gathering lines and downstream refinery piping compliant with API 5L PSL2 requirements
  • Petrochemical Processing: Reactor feed lines, heat exchanger connections, and process piping handling hydrocarbons under sustained pressure
  • Hydraulic Systems: Precision-bore tubing for industrial hydraulic circuits demanding burst resistance and dimensional consistency

Why Choose Our High Pressure Carbon Steel Pipe

Every pipe undergoes hydrostatic testing at 1.5× the rated working pressure per ASTM A530 Section 11, along with non-destructive examination including ultrasonic testing (UT) to ASTM E213. We maintain ISO 9001:2015 certified production with full material traceability from billet to finished product. For applications requiring different corrosion performance, consider our stainless steel seamless pipe or alloy steel pipe options.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 1 metric ton for common sizes (2"–12", SCH 80). For non-standard dimensions or heavier wall thicknesses, we accept orders starting from 2 metric tons.

High pressure carbon steel pipe supplier

Do you provide material test certificates?

Yes. Every shipment includes EN 10204 Type 3.1 Mill Test Certificates documenting chemical composition, mechanical properties, hydrostatic test results, and NDE reports.

High pressure carbon steel pipe wholesale

What is the typical delivery time?

Stock items in standard sizes ship within 7–10 business days. Custom orders including special wall thicknesses or non-standard lengths require 25–35 days from order confirmation.

Can you cut to custom sizes?

Absolutely. We offer precision cutting to specified lengths with tolerances of ±1 mm, along with beveling, threading, and groove preparation for field welding per ASME B16.25.

High pressure carbon steel pipe China

Get a Competitive Quote for High Pressure Carbon Steel Pipe

Ready to source premium-grade high pressure carbon steel pipe at mill-direct rates? Contact our technical sales team with your specifications—including pipe size, schedule, grade, quantity, and required certifications—and receive a detailed quotation within 24 hours. We support FOB, CIF, and CFR shipping terms to ports worldwide.

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 Quality Carbon Steel Pipe — Documentation Issue Resolved
Ordered 5 tons of API 5L X42 seamless pipe, 2-inch OD, SCH 80, for a downstream distribution project in Southeast Asia. Pipe dimensions and mechanical properties were within specification — yield strength confirmed at 312 MPa against the 290 MPa minimum. However, the initial shipment documentation was missing the NDE summary report, which caused a two-day delay in our client's incoming inspection process. After contacting the technical team, the complete ASTM E213 UT records were emailed within four hours and the issue was closed. Delivery itself arrived in 10 business days as quoted for stock items. Pricing was fair compared to three other Singapore-based trading quotes. The documentation gap was a concern for a first order, but the responsive handling gives us confidence to trial a second order with a clear upfront checklist.
User
Chris Martin
Canada
2025-09-15
Excellent High-Pressure Seamless Pipe for Cold-Climate Power Generation
Sourced 20 tons of ASTM A106 Grade B seamless pipe, 6-inch OD, SCH 80, for a combined heat and power plant in Alberta operating in temperatures as low as -25°C ambient. The confirmed lower service temperature rating of -29°C continuous gave our engineering team the design margin required. Tensile strength reported on the 3.1 mill certificates averaged 447 MPa across three heats — consistently above the 415 MPa minimum. Hydrostatic test documentation and ultrasonic NDE reports were complete and audit-ready, which our project owner's inspector reviewed and accepted without comment. Black paint coating was uniform and well-adhered, appropriate for our insulated piping system. Stock items shipped within 8 business days on CFR terms to Vancouver. This is our fourth order with this supplier over 18 months — quality and documentation consistency have been maintained throughout.
User
Carlos Silva
Brazil
2025-10-04
Reliable A53 Grade B Pipe for Refinery Piping Upgrade
We purchased 10 tons of ASTM A53 Grade B ERW pipe, 1.5-inch to 4-inch mixed sizes, SCH 80, for a refinery piping replacement project in São Paulo state. Pricing was competitive versus domestic Brazilian mill supply, and the CIF Santos shipping terms simplified our import logistics. EN 10204 3.1 certificates were provided for each heat and covered chemical composition and mechanical properties as required by our project specification. All pipes passed our incoming inspection for straightness and end squareness. Delivery came in at 34 days — just within the 25–35 day quoted window, though we had hoped for slightly faster turnaround. Overall a dependable supplier for standard refinery piping grades. We are evaluating a follow-on order for the Phase 2 heat exchanger piping scope.
User
William Taylor
Australia
2025-10-26
Superior ASTM A106 Grade C Pipe for High-Pressure Offshore Application
Ordered 12 tons of ASTM A106 Grade C seamless pipe, 3-inch OD, XXS wall schedule, for high-pressure fluid injection lines on an offshore platform project off Western Australia. Grade C was specifically required due to the higher yield strength minimum of 275 MPa — the mill certificates confirmed yield at 291 MPa and tensile at 502 MPa, both comfortably above the ASTM A106 Grade C minimums. NDE reports covering ultrasonic examination were provided per ASTM E213 with no rejectable indications. Custom cut lengths to ±1mm tolerance were supplied, which integrated directly into our prefabrication schedule without rework. Delivery via CIF to Fremantle Port took 31 days. The technical sales team responded to our specification queries within a few hours, which made the pre-order process efficient. Recommended for demanding offshore pressure service.
User
Ahmed Al-Hassan
UAE
2025-11-19
Premium API 5L X65 Pipe Delivered On Time for Gas Transmission Project
Procured 35 tons of API 5L PSL2 X65 seamless line pipe, 8-inch OD, SCH 80, for an upstream gas gathering network in Abu Dhabi. Supplier provided full traceability documentation from billet to finished pipe, which was a hard requirement from our client's QA team. Hydrostatic test certificates showed test pressures at 1.5× rated working pressure per ASTM A530, with zero failures across all tested lengths. Operating temperature range of -29°C to 425°C was confirmed in the material data sheets, covering our ambient design conditions. Delivery on FOB terms was completed in 8 business days from the stock inventory. Compared quotes from four suppliers — this was the most competitive on a landed-cost basis including freight to Jebel Ali. Repeat order already placed.
User
Hans Mueller
Germany
2025-12-01
Good Value Carbon Steel Pipe for Hydraulic System Project
Purchased 8 tons of EN 10216-2 compliant seamless carbon steel pipe, 2-inch OD, SCH 160, for precision hydraulic circuits in our industrial press line. Pricing was approximately 11% below two other European mill quotes we received for equivalent grade and certification. Material certificates were EN 10204 3.1 compliant and arrived with the shipment as promised. Burst resistance testing data was included and met our internal design factor of 4:1. Minor point: the oil coating on roughly 15% of the pipes was unevenly applied, though this had no functional impact on our application. Lead time was 32 days, within the stated 25–35 day window for non-standard wall. Would order again for upcoming Phase 2 hydraulic system build.
User
James Wilson
United Kingdom
2025-12-22
Outstanding Seamless Carbon Steel Pipe for Petrochemical Reactor Lines
We sourced 18 tons of API 5L X52 seamless pipe, 6-inch OD, SCH 120, for reactor feed piping at a refinery expansion project in the North Sea. The ultrasonic testing reports per ASTM E213 were thorough and clearly documented — no indications flagged across the entire batch. Dimensional checks showed OD variance within 0.3mm across 40 random samples. Bevel preparation was supplied to ASME B16.25 standard, saving our fabrication team roughly two days of prep work on site. Received CIF delivery to Teesport in 28 days from order confirmation, which matched the quoted lead time for this custom wall thickness. Third-party inspection by Bureau Veritas raised zero non-conformances. Solid supplier for critical pressure service applications.
User
Michael Johnson
United States
2026-01-07
Excellent A106 Grade B Pipes for Boiler Steam Lines
Ordered 22 tons of ASTM A106 Grade B seamless pipe, 4-inch OD, SCH 80, in 6-meter lengths for our power plant boiler steam transfer lines operating at 3,200 psi. Wall thickness measurements on arrival averaged 8.56mm against a nominal 8.56mm — dead on tolerance. EN 10204 Type 3.1 mill certificates confirmed carbon at 0.28% and tensile strength at 438 MPa, fully within spec. Hydrostatic test records were included for every heat lot. Delivery completed in 9 business days, one day ahead of the committed window. This is our second procurement from this supplier and consistency has been the standout factor. Will be specifying them again for our upcoming Unit 3 expansion.

Know your supplier

Kuaima Steel Co., Ltd.

7 yrs on Sinoali.com

Located in China

Customizable Rock-bottom price
$950 1-49 ton Base price
$905 50-99 ton 4.7% off
$885 ≥100 ton 6.8% 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$ 950.00
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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