不锈钢焊丝品名类别AWS型号元素化学成份百分比CSiMnCrNiMo实芯焊丝308L-Si/MVR-SiER308LSi0.020.851.820.010.5308L/MVRER308L0.020.401.720.010.0308HER308H0.050.401.820.09.0347-Si/MVNb-SiER347Si0.050.851.219.510.0347/MVNbER3470.050.401.319.59.5316L-Si/SKR-SiER316LSi0.020.851.718.512.02.6316L/SKRER316L0.050.401.718.512.02.6318/SKNbER3180.040.401.319.012.02.6317L/SNRER317L0.020.401.719.013.53.52205ER22090.020.501.623.08.53.1904LER3850.010.101.720.025.54.5P12ERNiCrMo-30.010.100.122.065.09.0309L-SiER309LSi0.020.801.823.513.5309LER309L0.020.351.724.013.0P5ER309LMo0.020.351.521.515.02.7P7ER3120.110.451.930.09.5P10ERNiCr-30.030.102.920.073.0309-SiER309Si0.090.901.823.013.0310)