17-4PH plates can be welded using all conventional methods, and 17-4PH plates do not require pre-heating. Care should be taken in 17-4PH plate designing and welding of high strength steels to prevent weldment stresses.
| Carbon | 0.07 max |
| Chromium | 15 – 17.5 |
| Copper | 3 – 5 |
| Iron | Balance |
| Manganese | 1 max |
| Nickel | 3 – 5 |
| Niobium | 0.15 – 0.45 |
| Niobium+Tantalum | 0.15 – 0.45 |
| Phosphorus | 0.04 max |
| Silicon | 1 max |
| Sulphur | 0.03 max |
17-4PH is a martensitic precipitation-hardening stainless steel that provides an outstanding combination of
high strength, good corrosion resistance, good mechanical properties at temperatures up to 600°F (316°C).
17-4PH is a martensitic precipitation-hardening stainless steel that provides an outstanding combination
of high strength, good corrosion resistance, good mechanical properties at temperatures up to 600°F
(316°C), good toughness in both base metal and welds, and short-time, low-temperature heat treatments that minimize warpage and scaling.
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