Grade: commonly used for P5, P9, P11, P22, P91.
Typically ASTM A335 P11, P22, and P91
Grade: P5 and P9 are used in refineries.
Standard: ASTM A252 seamless and welded steel pipe piles
Material: Grade 1,2,3 （Q235 / Q345）
Ends: beveled
smooth coatings: galvanized
Standards: ASTM A 106, ASME SA 106
Size range : 1/2" NB to 36" NB
Thickness: SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, all schedules
End connections for line pipes: smooth, beveled,...
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