Large Diameter Seamless Steel Pipe

Large diameter seamless steel pipe is pipes with an outer diameter 325mm-1220mm and wall thickness 10mm-200mm. Usually, the length of large diameter seamless pipe is 12m. It is made mainly by heat expanding technology, some by cold drawing.

In the market, these materials are often found as GK large diameter seamless steel pipe：10# 20# 35# 45# 16Mn 27SiMn 15CrMo 12Cr1MoV 10CrMo910 T91 P91 J55 K55 Q345 Cr5Mo2）20#、35#、45#、16Mn、27SiMn3）10#、20#、35#、45#、16Mn、27SiMn、12Cr1MoV、10CrMo910、15CrMo, etc.

GK Seamless steel tube standards series:

• Seamless Steel Tube ASTM A210  Seamless Steel Tube ASTM A192  Alloy Steel Seamless Tube ASTM A213  Seamless Steel Pipe ASTM A53  Seamless Steel Tube ASTM A519  Seamless Steel Pipe ASTM A106  Seamless Steel Tube ASTM A213  Seamless Steel Tube ASTM A179

• ASTM A106  ASTM A519  ASTM A53  ASTM A192  

• Seamless Steel Tube DIN17175  Seamless Steel Tube DIN1629 

• Seamless Steel Tube EN10216-1  Seamless Steel Tube En10216-2, etc

GK Main Application:

• Gas and oil

• Petrochemical industry

• Water transportation

• Structure steel

• Scaffolding pipe