17-4 PH is bought for strength, not corrosion resistance. Copper precipitates during a single low-temperature ageing treatment, so parts can be machined in the solution-annealed condition and then hardened with minimal distortion. The condition designation — H900 through H1150 — matters more than the grade name, because it sets the strength and toughness the part will actually have.
Pitting resistance equivalent. Higher resists chlorides better.
Indexed to 304. Indicative, for specification triage.
Rajgranth Metal & Alloys manufactures, stocks, supplies and exports 17-4 PH Precipitation Hardening Stainless Steel sheet & Plate (UNS S17400) from Mumbai. Martensitic PH grade. Machine soft, then age to tensile strengths above 1300 MPa. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.
17-4 PH is bought for strength, not corrosion resistance. Copper precipitates during a single low-temperature ageing treatment, so parts can be machined in the solution-annealed condition and then hardened with minimal distortion. The condition designation — H900 through H1150 — matters more than the grade name, because it sets the strength and toughness the part will actually have.
17-4 PH Precipitation Hardening Stainless Steel is also designated UNS S17400, EN 1.4542, AISI 630, JIS SUS630 and Werkstoff X5CrNiCuNb16-4. Quote the designation your specification uses and we will supply to it.
Tensile strength above 1300 MPa in the H900 condition, Hardens with minimal dimensional change, Corrosion resistance broadly comparable to 304 and Machinable in the annealed condition before hardening. It is magnetic, with fair weldability and good machinability, and is used in continuous service in air up to about 315 °C.
Magnetic in all conditions, Notch sensitive at the highest strength conditions, Not suitable for chloride service — no molybdenum and Hydrogen embrittlement risk if plated without bake-out. We state these plainly so the grade is chosen for the right service.
Our published range covers thickness 0.3 mm, 100 mm, width 1000 mm, 1219 mm, 1500 mm, 2000 mm, length 2000 mm, 2438 mm, 3000 mm, 6000 mm and form Sheet to Flat. Standards include ASTM A240 / ASME SA-240, ASTM A480, EN 10088-2, JIS G 4304 and JIS G 4305. Finishes and conditions include No. 1, 2B, 2D, BA (Bright Annealed), No. 4, Hairline, Mirror (No. 8) and Matt.
pump and valve shafts, aerospace fittings and structural parts, oil and gas downhole components, high-strength fasteners and turbine blades. Typical industries: aerospace, oil & gas, valves & pumps, defence and automotive. We supply across India and export to markets in the Middle East, Africa, Europe, Asia, North America and South America.
Material is supplied with documentation, tested in house across 18 listed testing facilities, and covered by our ISO 9001:2015 quality management system. Rajgranth Metal & Alloys has been trading since 1980, is self-funded and debt-free, and despatches most orders from its Mumbai stockyard within two days.
The full detail for this product as supplied from our Mumbai stockyard: sizes, grades, standards, tolerances, tests and applications.
Leading Manufacturer, Stockholder, Supplier & Exporter of Stainless Steel Sim , Foil , Coil , Sheet , Plate , Flat , Circle Grades 17-4PH in Mumbai, India.
Size x Thickness x Standard x Specification x Grade
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