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