Standard: GB, ASTM, API	Standard: GB 3087-1999, GB/T 8163-1999, GB/T 81...	Grade: 10#-45#, 16Mn
Grade: 20#, 45#, 16Mn	Thickness: 4 - 35 mm	Section Shape: Round
Outer Diameter: 15 - 273 mm	Place of Origin: cangzhou China (Mainland)	Secondary Or Not: Non-secondary
Application: Oil Pipe	Technique: Hot Rolled	Certification: API
Surface Treatment: Copper Coated	Special Pipe: API Pipe	Alloy Or Not: Non-alloy
color: black