Alloy 17-4PH has corrosion resistance comparable to 304L in some chemical, dairy, food, paper and petroleum applications. Alloy 17-4PH is subject to crevice corrosion and pitting attack when exposed to stagnant seawater for a duration of time.
Product Description
| Grade | 17-4 PH, UNS S17400, W. Nr. 1.4542 |
| Specification | ASTM A 693, ASME SA 693, AMS 5604 |
| Size | 5*5mm-100*100mm or as customized |
| Length | 2m, 5.8m, 6m, or as required. |
| Surface | Black, peeled, polishing, bright, sand blast, hair line, etc. |
| Application | Gears, bolts and valve components. Plastic moulding dies. High strength pump shafts and boat propeller shafts. Engine components. In general applications where some level of corrosion resistance is needed in conjunction with high strength or hardness. |
Chemical Composition(%)
| Cr | Ni | Cu | C | Mn |
| 15-17.5 | 3.0-5.0 | 3.0-5.0 | 0.07 | 1.0 |
| P | S | Si | Fe | Nb+Ta |
| 0.04 | 0.03 | 1.0 | balance | 0.15-0.45 |
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