... ASTM A106, AA53, API J55, K55, L80, P110,.etc. Seamless Steel pipe: Standard: ASTM, API, JIS, GB, DINGrade: ASTM A106, ... prices. Best Regards, Application:(1)With high carbon seamless steel pipe equipment standards(2)Used in the industries of petroleum, chemical engineering and ... pipe, locomotive smoke pipe(7)Fluid feeding(8)For common structure(9)Carrying gas, water or oil industries of petroleum and ...