Hardfacing

硬

面

堆

焊

S 101

C3 Cr28 Ni4
Si3.5 Fe Rem.

HRc48-54. Resistance to wear, gas corrosion and oxidation. Hardfacing of bucket tooth and case pump.
HRc48-54，耐磨、耐气蚀、抗氧化。堆焊铲斗齿，泵套

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，高温下耐磨、耐蚀。堆焊高温高压阀门

ECoCr-A

S 112

C1.5 Cr29 W8
Co Rem.

HRc45-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass.
HRc45-50，高温下耐磨、耐蚀。堆焊阀门，热轧孔型

ECoCr-B

S 113

C2.5 Cr30 W17
Co Rem.

HRc≥55. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of screw charging carriage.
HRc≥55，高温下耐磨、耐热，但抗冲击性差。堆焊螺旋送料机用

S 114

C2.5 Cr30 W12
Co Rem.

HRc≥53. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of three-cone bit.
HRc≥53，高温下耐磨、耐热，但抗冲击较差。堆焊牙轮钻头

ECoCr-C