01Product description
17-4 PH Precipitation Hardening Stainless Steel round Bars: manufacturer, stockist and exporter in Mumbai, India
Rajgranth Metal & Alloys manufactures, stocks, supplies and exports 17-4 PH Precipitation Hardening Stainless Steel round Bars (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.
What is 17-4 PH?
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.
Designations
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.
Why choose 17-4 PH round Bars
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.
Limitations to specify around
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.
17-4 PH round Bars: sizes, standards and finishes
Our published range covers diameter 10 mm, 300 mm, shape Round, Square, Hexagonal, Threaded, tolerance H7, H8, H9, H10, length 5 m, 6.5 m (Customised length per requirement) and bar ends Plain, Bevelled. Standards include ASTM A276, ASTM A479 / ASME SA-479, ASTM A484, ASTM A582, ASTM A564, EN 10088-3 and ISO 15510:2010. Finishes and conditions include Export Bright, Peeled / Turned Bar, Cold Drawn Bar, Centreless Ground & Polished Bar, Black Bar and Forged Bar.
Applications and industries
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.
Buy 17-4 PH round Bars from Rajgranth
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.