YD507YD508修复阀门药芯焊丝YD518堆焊药芯焊丝报价S4500.20.61.52.80.80.3推土机铲土机的引导轮,支重轮,惰轮,链轨节堆焊YD107-40.3-0.550.1-0.51.3-1.95__0.35-0.85____推土机铲土机的引导轮,支重轮,惰轮,链轨节堆焊HYD047≤1.7——Ni≤3.04.0-7.01.5-3.0辊压机挤压辊表面堆焊YD176Mn-20.12-0.181.7-2.10.9-1.20.55-0.850.3-0.5用于堆焊齿轮,矿山车轮及轴,链轮等YD212-10.3-0.6≤5.0≤5.0用于堆焊受磨料磨损和粘着磨损的机件,如齿轮,挖斗,矿山机械等YD247-1≤