carbon and alloy steel seamless pipe
Spec: Astm A106/A53/API 5L , API 5CT , A179, A192, A199,A200, A210 A213, A334 A335, API 5D,Din 17175,Din1629 ,Din2440 ,JIS 3441,3445,3454,3456,3458,J3460 ,3461,3462,3464,3467,Bs3059
size: 10mm ~630mm thickness 1mm~50mm
