Chemical composition of
Stainless steel:
Min 12 % chromium
12 to 30 % Cr
4 to 25 % Ni
Stainless steel 316: Cr = 16 – 18 %, Ni = 10-14 % , Mo= 2-3 %, C= 0.08 %, Mn =
2 % , Si= 1%,
Stainless steel 314 : Cr= 23-26%, Ni= 19-22% , Si= 1.5-3 %, Mn= 2%, C=0.25 %,
Stainless steel 304: Cr= 18-20%, Ni= 8-10.5 %, C= 0.08 %,
Tungsten steel:
18 % Tungsten (W)
4 % Cr
1 % vanadium
0.7 % carbon
Small amount of Si , S , P ,Mn , Fe.