Originally published as What is K403 made of? K403 is a nickel-base,nickel titanium wire,Titanium welding pipe, titanium round bar ,titanium sheet grade 5, precipitation-hardening, equiaxed, cast superalloy. The alloy is strengthened by a combination of metallic elements at service temperatures below 1000 ° C. Grade ①: K403 C(％): 0.11～0.18 Cr(％): 10.0～12.0 Mo(％): 3.80～4.50 Ni (%): balance...