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Help Me Find The Right Alloy
Stainless Steel Mig and Tig
Home > Stainless Steel > Chemical Composition
Stainless Steel Alloys: Chemical Composition (% Weight)
Product C Cr Ni Mo Cb&Ta Mn Si P S Fe Cu
ER308 0.08 19.5-
22.0
9.0-
11.0
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER308L 0.03 19.5-
22.0
9.0-
11.0
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER308LSi 0.03 19.5-
22.0
9.0-
11.0
0.75   1.0-
2.5
0.65-
1.00
0.03 0.03 Rem. 0.75
ER309 0.12 23.0-
25.0
12.0-
14.0
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER309L 0.03 23.0-
25.0
12.0-
14.0
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER309LSi 0.03 23.0-
25.0
12.0-
14.0
0.75   1.0-
2.5
0.65-
1.00
0.03 0.03 Rem. 0.75
ER310 0.08-
0.15
25.0-
28.0
20.0-
22.5
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER312 0.15 28.0-
32.0
8.0-
10.5
0.75   1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER316 0.08 18.0-
20.0
11.0-
14.0
2.0-
3.0
  1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER316L 0.03 18.0-
20.0
11.0-
14.0
2.0-
3.0
  1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER316LSi 0.03 18.0-
20.0
11.0-
14.0
2.0-
3.0
  1.0-
2.5
0.65-
1.00
0.03 0.03 Rem. 0.75
ER317L 0.03 18.5-
20.5
13.0-
15.0
3.0-
4.0
  1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER347 0.08 19.0-
21.5
9.0-
11.0
0.75 10xC min.-
1.0 max.
1.0-
2.5
0.30-
0.65
0.03 0.03 Rem. 0.75
ER410 0.12 11.5-
13.5
0.6 0.75   0.6 0.5 0.03 0.03 Rem. 0.75
ER630 0.05 16.0-
16.75
4.5-
5.0
0.75 0.15-
0.30
0.25-
0.75
0.75 0.03 0.03 Rem. 3.25-
4.00
 
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