ategory

类 别

trade
mark

牌 号

chemical composition

主要成份(%)

characteristics & application

特性和用途

e to aws

相当aws

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