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API Spec 5L Steel Pipe


The API 5L standard, published by the American Petroleum Institute (API), specifies requirements for the manufacturing of two types of steel pipes: seamless and welded, primarily used for pipelines transporting oil, gas, water, and other fluids in the oil and gas industry. The standard covers pipes for both onshore and offshore pipeline applications. Dependable steel supplier committed to quality, service, and on-time delivery.
•Common grades available
•Custom cutting service
•Export packing for sea shipment
•Fast quote by whatsApp / Email



Why Buyers Choose Us

Stable quality for bulk orders.
Support for custom size cutting.
Export sea packing for long-distance shipment.
Fast communication by WhatsApp and email.
Experience with orders from the Middle East, Africa, Central America, South America, Oceania, and Southeast Asia.

 

Thickness 1.0mm-60mm
Diameter 6.0mm-1422mm
Length 5800,6000,11800,12000 or customized
Surface Black skin, spray paint, pickling, oiling,galvanize,etc
Material A106 GrB,API5L,API5CT,S235JR,S275JR, S355JR,C45,ST37,ST52,4140,4130,etc
Standard GB,GOST,ASTM,AISI,JIS,BS,DIN,EN
Technology Hot rolling, pickling, precision,cold rolling,galvanize,
seamless, welding,spiral
MOQ 25tons

 

Chemical Composition

API Spec 5L PSL 1

Brand

C

Mn

P

S

B

≤ 0.28

≤ 1.20

≤ 0.030

≤ 0.030

X42

≤ 0.28

≤ 1.30

≤ 0.030

≤ 0.030

X46

≤ 0.28

≤ 1.40

≤ 0.030

≤ 0.030

X52

≤ 0.28

≤ 1.40

≤ 0.030

≤ 0.030

 

Mechanical Properties

Standard

Brand

Yield Strength (MPa)

Tensile Strength (MPa)

API Spec 5L PSL 1

A25

172

310

A

207

331

B

241

414

X42

290

414

X46

317

434

X52

359

455

X56

386

490

X60

414

517

X65

448

531

X70

483

565

 

 

Applications

Our carbon steel pipes are used in various critical industries, including:

  • Oil & Gas: For transportation of petroleum and natural gas in pipelines.
  • Water Supply: Durable and reliable for water transportation systems.
  • Construction: For structural and architectural purposes.
  • Power Generation: Essential in power plants for fluid handling.
  • Automotive and Machinery: Used in various mechanical systems.
  • Infrastructure Projects: Bridges, railways, and large-scale infrastructure.

 

Honor and qualification

 

Quality Control

MTC available.Contact us to obtain the test report.

Third-party inspection support.

Photo/video confirmation before loading.

 

Packing and shipping

Standard export seaworthy packing.

Steel strip bundling/waterproof wrapping /edge protection.

Container loading photos available.

Support for EXW/FOB/CFR /CIF quotation.

 

FAQ

Q1: Can you provide MTC for carbon steel plate?
A: Yes, MTC can be provided according to the order requirement.


Q2: Can you cut carbon steel plate to custom sizes?
A: Yes, cutting service can be arranged based on thickness, size and quantity.


Q3: What is your MOQ?
A: MOQ depends on grade, thickness, size and whether the material is from stock or production.


Q4: Can you quote CFR or CIF to our port?
A: Yes, we can provide FOB, CFR or CIF quotation based on your destination port.


Q5: What information should we send for quotation?
A: Please send grade, thickness, width, length, quantity, application and destination port.


Q6: What is your delivery time?
A: Delivery time depends on stock status, specification and order quantity.

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