S 111 | C1 Cr29 W5 | HRc38-47. Resistance to wear and corrosion at high-temperature. Hardfacing of high temperature and pressure valve. | ECoCr-A |
S 112 | C1.5 Cr29 W8 | HRc45-50. Resistance to wear and corrosion at high-temperature. Hardfacing of valve and hot-rolling pass. | ECoCr-B |
S 113 | C2.5 Cr30 W17 | HRc≥55. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of screw charging carriage. | |
S 114 | C2.5 Cr30 W12 | HRc≥53. Wear and heat resistance at high temperature, bad shock resistance. Hardfacing of three-cone bit. |
S 111 ECoCr-A
C1 Cr29 W5 Co Rem. HRc38-47. Resistance to wear and corrosion at high-temperature. Hardfacing of high temperature and pressure valve.
HRc38-47,高溫下耐磨、耐蝕。堆焊高溫高壓閥門(mén)
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