steel pipe 1)MOQ:1ton 2)Delivery:7~35days 3)Supply Ability:50000tons/month 4)Payment: T/T,L/C or negotiable ASTMA53/A106 Gr.B carbon seamless steel pipe Our main products.Carbon SteelASTM/ASME A 53 GR. A & B , ASTM A 106 GR. A , B & C .API 5L GR. B, API 5L X 42 / X 46/X 52/X 56/X 60 / X 65/X 70/X 80 PSL1,PSL2 ETC ,ASTM A333 GR.1 TO GR.6Alloy SteelASTM / ASME A 335 GR P 1 , P 5 , P 9 , P 11 , P 12 ...