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The American Petroleum Institute Has Several Standard Specifications For Pi - China

price: contact company for price

API pipes & tubes

API 5CT K55 casing pipe, API SPEC 5L Steel pipe, High Steel

Grade Line Pipes, Line pipe sour service, Casing, OCTG Oil

drilling platform

The American Petroleum Institute has several standard

specifications for pipe. They set forth dimensions,

materials, quality control during manufacture, minimum

physical properties such as yield strengh, etc.

API 5CT K55 casing pipe

API SPEC 5L Steel pipe

High Steel Grade Line Pipes

Line pipe sour service


OCTG Oil drilling platform

Yosin Steel can supply superior Quality High strength, High

Toughness, Homogeneous material and Corrosion Resistant Line

Pipes for various special service such as offshore and sour



available from 16in. up to 64in. OD (world’s largest)

UOE line pipe can be supplied as high strength line pipe up

to Grade X80, and high toughness line pipe for low-

temperature services and corrosive gas or crude oil service.


available up to 26in. OD, with wall thickness up to 1in.

(world’s largest)

HFW line pipe can be supplied as high strength API grade

line pipe up to 5L X80, and high grade line pipe for sour

gas service and offshore service.


available up to 16-3/4in. OD

SMLS line pipe can be supplied with corrosion resistant

alloy pipe (weldable12% Cr Line Pipe) and high strength API

grade line pipe up to 5L X80 for crude oil, gas, water and

slurry service.


API SPEC 5L is a international standard specifies

requirements for the manufacture of two product

specification levels (PSL 1 and PSL 2) of seamless and

welded steel pipes for use in pipeline transportation

systems in the petroleum and natural gas industries.


for the purpose of transportation of gas, water, oill in

oil&gas industry.

Specifications Ranges:

OD: 1/2-48inch (21.3mm-1219mm)

WT: SCH10-SCH80 (0.5mm-40mm)

Material Standard:

PSL 1: A25, A, B, X42, X46, X52, X56, X60, X65, X70

PSL 2: B, X42, X46, X52, X56, X60, X65, X70, X80


Specification for Casing and Tubing, Eighth Edition,

Petroleum and natural gas industries-Steel pipes for use as

casing or tubing for wells.

OD: 1.05- 20inch (26.67mm-508mm)

WT: (2.87mm-23mm)

J55, K55, N80, L80, P110, Q125, ect


Tubing is used in extracting petroleum & natural gas.

Casing pipe serves as wall of well.

Note: c: The sum of the columbium [niobium], and

vanadiumcontents shall not exceed 0.06% except that, by

agreement between the purchaser and the manufacturer, an

alternative maximum may be established.

Company Contact:

  • Phone: 862133780199

  • Address: No.273, Siping Road, Shanghai, China

  • Email: Email

Published date: October 7, 2013 -

  • Business Description: Sunny Steel provide a wide range of steel products as Steel pipes,

    Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite

    steel pipe used in the construction industry.

    We provide a wide range of steel products used in the construction industry:

    Steel pipes

    Seamless tube

    seamless pipes

    Alloy pipes

    Pipe fittings

    Composite steel pipe

    Contact us today to arrange a quote or estimate. Our steel fabrication products are real trusted and most affordable choice.

    Factory and industrial products

    In addition to our steel products for construction, we also offer a variety of steel fabrication products for use in industry. We provide local factories with steel cutting, fabricating, and distributing pipe fittings anc composite pipes.

    Our versatility ensures we will be able to provide you with the steel products you require to to complete a project, from start to finish.

    Contact us today to arrange a quote or estimate

    As a long established steel fabrication company in China, we can be trusted to deliver what you need, in the time you need it. We understand that in the construction industry time frame is often important.

    Whilst providing a quality, trusted service, we also place a high premium on quality craftsmanship. Our steel products are long lasting, and always meet our clients exact specifications.

    Our team

    Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

    Call us today to discuss your project's needs and find out what options are available.

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