... -12m 5.High quality, competitive price Production schedule 40 seamless steel pipe SCH10-XXS StandardASTM ,API5L,ASME,ANSI,GB,DIN,JIS,BS ... . Supply 1. seamless steel pipe 2. ERW welded steel pipe 3. Stainless steel pipe 4. carbon steel pipe 5. hot-rolled steel pipe 6. spiral steel pipe 7. galvanized steel pipe 16 inch erw carbon steel pipe