904LER385<=0.031<=0.0120.534-2.5<=0.03<=0.02Cu 3.5
409ER409Cb<=0.050.60.711.5<=0.60-<=0.50<=0.030<=0.030Nb + Cu +
410ER410<=0.120.6<=1.0012.5<=0.60--<=0.035<=0.030Cu 0.75 max
410NiMoER410NiMo<=0.030.40.411.74.50.40.5<=0.025<=0.015Cu 0.75 max
420ER420<=0.340.5<=1.0012.5<=0.60-<=0.75<=0.040<=0.030Cu 0.75 max
430ER430>=0.04<=0.50.4516.5<=0.60--<=0.030<=0.015Cu 0.75 max