portant;="">d258耐磨药芯焊丝
特点及主要功能用于各类耐磨耐冲击的表面堆焊portant;="">hb-yd258耐磨药芯焊丝
直径portant;="">mmportant;="">1.2 1.4 1.6堆焊层硬度portant;="">hrcportant;="">60-65
portant;="">
portant;="">yd261耐磨药芯焊丝
直径portant;="">mmportant;="">1.2 1.4 1.6堆焊层硬度portant;="">hrcportant;="">60-65 hb-yd261耐磨药芯焊丝