Standard:

ASTM, API 5L, ASME B36.10M, API 5CT, JIS,DIN,GB,EN etc.

Steel Grade:

ASTM A53(Gr.A/Gr.B),

A106 GR.A/GR.B/GR.C, A179,A210,A213,A252, A333，A335 etc;

API 5L X42/X52/X60/X65/X70/X80 etc;

JIS STPG42, G3454, G3456 etc;

St35,St37, St42, St44,St45, St52,

10#, 20#, Q345, 16Mn etc

Packaging Details:

Bundle packing /plastic caps on both ends.

Quality Control:

X-Ray inspection,Hydraulic Pressure test, Ultrasonic inspection