... ASTM A106, AA53, API J55, K55, L80, P110, Seamless Carbon Steel pipe: Standard: ASTM, API, JIS, GB, DINGrade: ASTM A106, ... , Application:(1)With high carbon seamless steel pipe equipment standards(2)Used in the industries of petroleum, chemical engineering and ... electric power.(3)Temperature-resistant seamless steel pipe for high-pressure ...