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17-4PH, EN 1.4542, DIN X5CrNiCu16-4, SUS630 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 shorttime, low-temperature heat treatments that minimize warpage and scaling.
17/4 PH Annealed Stainless Bar is one of the original precipitation hardened grades. 17/4 comes with a blend of corrosion and oxidation resistance with characteristics that include toughness, excellent mechanical properties and high strength at elevated temperatures. Available in condition ‘A’, solution annealed and heat-treated to H1150. Other heat-treated conditions are available on request i.e. H900 and H1020.
17/4 can be easily forged, formed and welded. Applications include pump shafts, bolts, gears, bearings, spindles, turbine parts, valve components and temperature sensor products.
This versatile material is widely used in the aerospace, chemical, petrochemical, food processing,paper and general metalworking industries.
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