| Duplex Stainless Steel |
| Cast Alloy Designation | CD4MCu(1A)* |
| UNS Number | J93370 |
|
| Comparable Wrought Alloy | 255 |
| Applicable ASTM Spec | --- |
|
|
| Chemical Composition |
| C | 0.04 |
| Mn | 1 |
| Si | 1 |
| P | 0.04 |
| S | 0.04 |
| Cr | 24.5 - 26.5 |
|
| Ni | 4.7 - 6.0 |
| Mo | 1.70 - 2.30 |
| Fe | --- |
| Cu | 2.7 - 3.3 |
| Other | --- |
|
|
| Mechanical Properties |
| Tensile (ksi) | 100 |
| Yield (ksi) | 70 |
| Elongation (%) | 16 |
|
| Reduction of area (%) | --- |
| Hardness (Brinell) | --- |
|
|
| Notes |
| All single values are maximums unless noted otherwise.
Brinell hardness values and ranges represent typicals for the grade.
CD4MCu has been removed from ASTM standards. CD4MCuN (1B) is an acceptable substitute. |
| More Info |
| Weldable | Yes |
| Castability | Good |
| Processability | Good |
