Application:

Carbon Steel Seamless Pipes ASTM A53 is for mechanical and pressure use,and also for transporting steam,water,gas and etc.

Size(mm):

O.D.: 6.0～323.0   W.T.: 1～36

Grade and Chemical Composition (％)：

Mechanical Properties：

Grade

Tensite strength（MPa）

Yield strength（MPa）

Elongation（％）

Delivery Condition

A

≥330

≥205

20

Annealed

B

≥415

≥240

20

Annealed

Dimension Tolerances：

Tube type

Outer diameter

Wall thickness

Cold-rolled tubes

Tube sizes(mm)

Tolerances(mm)

Tube sizes (mm)

Tolerances(mm)

＞30～50

±0.3

≤30

±10ï¼…

＞50～219

±0.8ï¼…

Hot-rolled tubes

＞219

±1.0ï¼…

＞20

±10ï¼…