| Grade Series | Steel Grade | Standard | Dimension (mm) |
|---|---|---|---|
| DDS 2205 Duplex Stainless Steel | S31803 S32205 | AISI UNS NO. 1.4462 EN NO. SAF2205 SS2377 Sweden 00Cr22Ni5Mo3N China GB UR 45N+ France |
Thickness: 0.3-180 Width: 1000-2000 Length: 1000-8000 |
| DDS 2207 Duplex Stainless Steel | S32750 | USA-AISI 1.4410 Germany SAF2507 Sweden UR 47N+ France |
Thickness: 0.3-180 Width: 1000-2000 Length: 1000-8000 |
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| S31803 (SAF2205) 00Cr22Ni5Mo3N | 0.03 Max | 1.00 Max | 2.00 Max | 0.030 Max | 0.02 Max | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | 0.08-0.20 |
| S32750 SAF2507 00Cr22Ni7Mo4N | 0.03 Max | 0.80 Max | 1.20 Max | 0.035 Max | 0.02 Max | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 |
| Grade | As (MPa) | Ab (MPa) | Elongation (%) | Hardness HB | Hardness HRC |
|---|---|---|---|---|---|
| S31803 (SAF2205) 00Cr22Ni5Mo3N | ≥450 | ≥620 | ≥25 | ≤290 | ≤30.5 |
| S32750 SAF2507 00Cr22Ni7Mo4N | ≥550 | ≥800 | ≥15 | ≤310 | ≤32 |