ASTM A179, A192, A210 specification npog Carbon Steel Seamless raj rau kev pabcuam kub. Cov yeeb nkab no yog siv cov khoom siv hluav taws xob sib hloov, cov condensers, Cov Khoom Kub Kub Kub yuav tsum tau muab rau Specification A 530.

GB5310-2008 muaj feem xyuam rau cov raj seamless rau ua chav boiler uas nws lub siab siab los yog siab dua thiab seamless raj siv los ua cov kav dej.

ASTM A179 / A179M - 90a Standard Specification rau Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger thiab Condenser Tubes.

ASTM A192 / A192M Standard Specification rau Seamless Carbon Steel Boiler Tubes rau High-Pressure Service.

ASTM A210 / ASME SA210 Txuj Specification rau Seamless Medium-Carbon Steel Boiler thiab Super-heater Tubes.