China OCTG steel pipes manufacturer & supplier

EN 10210:Seamless structural steel pipes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

EN 10297 Hot rolled seamless steel tubes with an application in the mechanical and general engineering

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

EN10305 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

DIN 2391 Seamless Precision Steel Tubes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

JIS G3445 Carbon steel tubes for machine structural purposes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

JIS G3444 Carbon steel pipes for general structural purposes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

JIS G3441 Alloy steel tubes for machine purposes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

GB/T8162 Seamless Steel Tubes for Structural Purposes

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

ASTM A106 Seamless Carbon Steel Pipes for oil pipeline and gas pipeline transportation

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25

ASTM A 53 Standard Specification for Pipe

API 5L Standard Specification for Seamless Line Pipe or Seamless Pipe Line
ASTM A 53 Standard Specification for Pipe, Steel, Black

2013-11-25