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，高溫下耐磨、耐熱，但抗沖擊性差。堆焊螺旋送料機(jī)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，高溫下耐磨、耐熱，但抗沖擊較差。堆焊牙輪鉆頭