carbon steel pipes, stainless steel pipe carbon steel pipe normal size: 1/8''-NO Max size SCH10-80S carbon steel pipe normal size: 1/8''-48''(6mm-1200mm)OD 10.3-1219.20MMSCH10-80Sstandard GB,ALSL/ASTM, JISapplicastion range: oil & gas petroleum, chemical boiler-exchanger...