SEAMLESS STEEL PIPE Main Products

Product Designation

Steel Grade

Standard

Usage

Seamless steel pipe for high pressure boiler

20G (ST45.8)
15CrMoG
12Cr1MoVG

ASTM A335-A106
Din17175
GB5310

For high pressure boiler

Seamless carbon steel pipe for high-temperatureservice

A
B

ASME SA-106

For high-pressure boilers equipments etc.

Carbon seamless steel pipe for ordinary purposes

A
B

ASTM A53

For ordinary purposes

Line pipe

A. B. X42. X46. X52

API Spec 5L

For pipe suitable for conveying gas, water, and oilin oil and natural gas industries

Seamless steel casing and tubing

J55, N80

API Spec 5CT

For petroleum recovering

Seamless steel pipe for structural purposes

10, 20, 35, 45, Q345(16Mn) low alloy steel etc

GB/T 8162 (JIS G 3444-)

For general structure and mechanical structure

Seamless steel pipefor liquid service

10, 20, Q345 etc

GB/T 8163 (ISO 559)

For liquid service

Seamless steel pipe for low and medium pressure

10, 20, Q345 etc

GB 3087
(ISO 9329-1)

For various structural low and medium pressureboiler