F321合金粉

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