PTA hardfacing 等 离 子 弧 喷 焊 | F221 | Cr26 W5 B0.7 Co Rem. | HRc 43 | PTA hardfacing of sealing surface of high temperature and high pressure valve and the edge of hot shearing tool. 高温高压阀门密封面、热剪切刃口的等离子喷焊 |
F223 | Cr21 W5 B1.5 Co Rem. | HRc 40 | PTA hardfacing of parts resistance to wear and corrosion at high temperature, such as valve under high temperature and high pressure, and blower. 高温下耐磨耐蚀件的喷焊,如高温高压阀门、鼓风机 |
F321 | Cr13 B1.5 Si1 Fe Rem. | HRc 45 | PTA hardfacing of corrosion-resistant parts under mid-temperature and mid-pressure, such as stop-plate etc. 中温中压阀门的闸板及其他耐磨件的等离子喷焊 |
F322 | Cr23 Ni13 Si5 B1 Fe Rem. | HRc 40 | PTA hardfacing of corrosion-resistant parts under mid-temperature and mid-pressure, such as valve base etc. 中温中压阀门的阀座及其他耐磨件的等离子喷焊 |
F422 | Sn10 P0.3 Cu Rem. | HB 80 | PTA hardfacing of axle and bearing etc. 轴、轴承等离子喷焊 |