廠家直銷上海斯米克（飛機牌）S 111/ECoCr-A硬面堆焊焊絲

S 111

C1 Cr29 W5
Co Rem.

HRc38-47. Resistance to wear and corrosion at high-temperature. Hardfacing of high temperature and pressure valve.
HRc38-47，高溫下耐磨、耐蝕。堆焊高溫高壓閥門