API standard Steel Pipe
Standard:API 5L
Process:Cold drawn steel tube,cold rolled tube,hot rolled steel tube
Steel Grade: B, X42, X46, X52, X56, X60, X65, X70
Outer Diameter: Seamless (1"~24")
Wall Thickness: Sch20, Sch30, Sch40, Sch80, Sch160, Sch XXS, Sch STD
Size tolerance:
|
OD Tolerance
|
WT Tolerance
|
|
B
|
X42 ~ X70
|
|
D<60.3mm
|
+0.41/-0.40mm
|
D<73mm
|
+20%/-12.5%
|
D<73mm
|
+15%/-12.5%
|
|
D>=60.3mm
|
+0.75/-0.40mm
|
D>=73mm
|
+15%/-12.5%
|
D>=73mm
|
+15%/-12.5%
|
