International Specifications Equivalent to ASTM A439 D2B
| BS3468:1986 | S2B |
| UK BS3468:1974 ; ISO2892:1973 |
S- NiCr 20 3 |
| France NFA32- 301 |
S- NC 20 3 |
| Germany DIN1694 |
GGG- NiCr203 |
| USA ASTMA436; ASTMA439 |
A439 Type D2B |
| Mechanical Properties | Metric | English |
| Hardness, Brinell | 148 - 211 | 148 - 211 |
| Hardness, Knoop | 200 | 200 |
| Hardness, Vickers | 188 | 188 |
| Tensile Strength, Ultimate | <= 400 MPa | <= 58000 psi |
| Tensile Strength, Yield | <= 210 MPa | <= 30500 psi |
| Elongation at Break | <= 7.0 % | <= 7.0 % |
| Component Elements Properties | Metric | English |
| Carbon, C | <= 3.0 % | <= 3.0 % |
| Chromium, Cr | 2.75 - 4.0 % | 2.75 - 4.0 % |
| Iron, Fe | 66.67 - 73.97 % | 66.67 - 73.97 % |
| Manganese, Mn | 0.70 - 1.25 % | 0.70 - 1.25 % |
| Nickel, Ni | 18 - 22 % | 18 - 22 % |
| Phosphorous, P | <;= 0.080 % | <= 0.080 % |
| Silicon, Si | 1.5 - 3.0 % | 1.5 - 3.0 % |
To see complete data sheet for this material, click here
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