لوله کربن استیل

C. S and Alloy Pipe



Material (According to ASTM Standard)

Specification Commentary Grade Types Material

A 106 Seamless C-Steel Pipe

for High Temperature Service A & B Seamless Carbon Steel

API 5L Line Pipe A, B, X42,

X46, X52, X60,

X65, X70, X80 Seamless & Welded Carbon Steel

A 53 Welded and Seamless Steel Pipe A & B Seamless & Welded Carbon Steel

A 333 Seamless and Welded Pipe for Low Temperature Service 1 Seamless & Welded Carbon Steel

6 Seamless & Welded Carbon Steel

3 Seamless & Welded 3 ½% Ni

8 Seamless & Welded 9% Ni

A 335 Seamless Ferritic Alloy Steel Pipe for

High Temperature Service P1 Seamless Carbon-Mo

P12 Seamless 1 Cr - ½ Mo

P11 Seamless 1 ¼Cr - ½ Mo

P22 Seamless 2 ¼ Cr - 1 Mo

P5 Seamless 5 Cr - ½ Mo

P9 Seamless 9 Cr - 1 Mo

A 691 Electric Fusion Welded C and Alloy

Steel Pipe for High Temperature 　 Welded 　



1 : A 106 Gr. B

2 : API 5L Line Pipe

3 : A 53 Gr. A

4 : A 335 P11

5 : A 333 Gr. 6