Cangzhou Yongwang pipeline Manufacturing Co., Ltd.   

15CrMo national standard pipe chemical composition Grade Chemical composition (mass fraction) (%) C Mn Si Cr Mo Ni Nb+Ta S P 15CrMo 0.12~0.18 0.40~0.70 0.17~0.37 0.80~1.10 0.40~0.55 Less than or equal to 0.30 _ Less than or equal to 0.035 Less than or equal to 0.035 Edit this paragraph mechanical properties Grade Tensile strength of MPa The yield point MPa Elongation rate (%) 15CrMo 440~640 235 21 Grade: 12CrMo pipe fittings Standard: GB/T 3077-1988 Digital code: A30122 The corresponding foreign standards: JIS G4053:2003 A29M:2005 ISO 683-18:1996 The Japanese brands: 13CrMo44 (1.7335) The corresponding British brands: 1501-620Gr 27 The corresponding French brands: 12CD4 Features and scope of application: Pearlitic heat resistant steel is, cold strain plasticity and machinability were good weldability can. For leading manufacturing steam parameters of 510 DEG pipe, tube superheater tube wall temperature up to 540 DEG C, can be all kinds of elastic element production operating at high temperature. Chemical composition: Carbon C:0.08 ~ 0.15 Silicon Si:0.17 ~ 0.37 Manganese Mn:0.40 ~ 0.70 S: the promise of residual sulfur content less than 0.035 P: promise residual content less than 0.035 P Chrome Cr:0.40 ~ 0.70 Nickel: promise residual content less than 0.030 Ni Copper Cu: promise residual content is less than or equal to 0.030 Mo Mo:0.40 ~ 0.55 The ultimate tensile strength B (MPa): 410 (42) Yield strength s (MPa): 265 (27) Elongation of 5 (%): 24 Section shrinkage (%): = 60 PSI 12CrMo plate impact energy Akv (J): 110 The impact toughness value of alpha kV (J/cm²): 137 (14) Hardness: less than 179HB

Three links, elbow, flange, different diameter pipe, pipe fittings