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