化学成分
arbon steel, and low-silicon cold-rolled
Standard
JIS, bs, GB, ASTM, DIN, API
Grade
A53(A,B), Q235, Q345, Q195
End protector
Iron Protector
Technical
Casting, Forging
Commodity
all kinds of steel pipe
Material
Q235/Q235B/Q345/Q345B
Certification
API, ASTM, CE, ISO