15N20 is a bright, acid resistant metal commonly used for forging with high carbon steels to bring out the contrast in Damascus patterned billets for knives and swords.
Chemical composition
|
C: |
Mn: |
Ni: |
P: |
S: |
Si: |
|
0.75% |
0.4% |
2.00% |
0.02% |
0.01% |
0.3% |
15N20 matches with high carbon steels such as K720, 1095, 80CrV2, etc. for forging Damascus and etching with ferric chloride, to bring out the contrast. The nickel in 15N20 resists acid, remaining clear.