Shanghai Bozhong Metal Group Co., Ltd.
To sell metal from the world while the world buy metal from Bozhong
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17-4 PH is a registered trademark of AK Steel.
| NS: | S17400 |
| Specifications: | AMS 5604, ASTM A 693, ASME SA 693 |
| International Specifications: | Euronorm: X5CrNiCuNb16.4 Werstoff# 1.4542 |
The following table shows the chemical composition of grade 17-4 stainless steel.
| Element | Content (%) |
|---|---|
| Iron, Fe | 73 |
| Chromium, Cr | 15.0 - 17.5 |
| Nickel, Ni | 3.0 - 5.0 |
| Copper, Cu | 3.0 - 5.0 |
| Manganese, Mn | 1.0 |
| Silicon, Si | 1.0 |
| Tantalum, Ta | 0.45 |
| Niobium, Nb (Columbium, Cb) | 0.45 |
| Nb + Ta | 0.15 - 0.45 |
| Carbon, C | 0.070 |
| Phosphorous, P | 0.040 |
| Sulfur, S | 0.030 |
The physical properties of grade 17-4 stainless steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.75 g/cm3 | 0.280 lb/in³ |
The mechanical properties of annealed grade 17-4 stainless steel are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Shear modulus | 77.4 GPa | 11200 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Hardness, Brinell | 352 | 352 |
| Hardness, Knoop (estimated from Rockwell C) | 363 | 363 |
| Hardness, Rockwell C | 36 | 36 |
| Hardness, Vickers (estimated from Rockwell C) | 349 | 349 |