High Pressure boiler tubes

SA179/SA192 CHEMICAL AND MECHANICAL COMPONENT: ASTM A179/(ASME SA179) Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Conderser Tubes Application: For tubular heat exchangers,condensers,and similar heat transfer apparatus. Size(mm): O.D.:6.0~114.0mm W.T.:1~15mm L:max 18000mm Grade and Chemical Composition (%) Chemical Composition C Mn P≤ S≤ Si≤ 0.06-0.18 0.27-0.63 0.035 0.035 0.25 Tolerance(SA-450/SA-450M): OD In (mm) + - WT In(mm) + - <1(25.4) 0.10 0.10 ≤1.1/2(38.1) 20% 0 1~1.1/2(25.4~38.1) 0.15 0.15 >1.1/2(38.1) 22% 0 >1.1/2~<2(38.1~50.8) 0.20 0.20 2~<2.1/2(50.8~63.5) 0.25 0.25 2.1/2~<3(63.5~76.2) 0.30 0.30 3~4(76.2~101.6) 0.38 0.38 >4~7.1/2(101.6~190.5) 0.38 0.64 >7.1/2~9(190.5~228.6) 0.38 1.14 ASTM A192/A192M-02 Seamless Carbon Steel Bolier Tubes for High-Pressure Application: For seamless carbon steel bolier and superheater tubes for high-pressure service Size(mm): O.D.:6.0~114.0 W.T.:1~15 L:max 18000 Grade and Chemical Composition (%) Chemical Composition C Mn P≤ S≤ Si≤ 0.06-0.18 0.27-0.63 0.035 0.035 0.25 Tolerance(SA-450/SA-450M): OD In (mm) + - WT In(mm) + - <1(25.4) 0.10 0.10 ≤1.1/2(38.1) 20% 0 1~1.1/2(25.4~38.1) 0.15 0.15 >1.1/2(38.1) 22% 0 >1.1/2~<2(38.1~50.8) 0.20 0.20 2~<2.1/2(50.8~63.5) 0.25 0.25 2.1/2~<3(63.5~76.2) 0.30 0.30 3~4(76.2~101.6) 0.38 0.38 >4~7.1/2(101.6~190.5) 0.38 0.64 >7.1/2~9(190.5~228.6) 0.38 1.14