Dec. 01, 2021
The engine valve seat face PTA with stellite alloy, but the alloy often has immediate or delayed cracking. because there is tensile stress on the valve seat face.Our company uses the method of induction heating to eliminate the tensile stress. After PTA weld, the valve is immediately heated to release the stress, and solve the valve seat face cracking problem.
Phone
+86 189 3111 8708
Location
Wuji County, Shijiazhuang City, Hebei Province, China