Product Specifications and Execution Standard
Outside Diameterф88.9—ф508mm(3`—20`)
Wall Thickness of LSAW4—16mm
Implementation of standardsAPI 5L,API 5CT,GB/T9711.1,EN10217,EN10219,ASTM A53
and customers`special requirements
Material A,B,X42—X80,J55,K55etc


Outside Diameterф219—ф2020mm(8`—80`)
Wall Thickness of SSAW 4—16mm
Implementation of standardsAPI 5L,GB/T9711.1,ASTM A252
and customers`special requirements
Material A,B,X42—X70etc


specification 15*15—300*300mm
rectangular steel tube specification 20*30—400*200mm
Thickness0.5—13mm
Implementation of standardsGB/T6725,GB/T3094,TSAM A500,EN10210
and customers`special requirements
Material Q235,Q345,ST37-2,ST52-3,S235,S355etc