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 welded Pipes (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 outside diameter 10.3 to 609.6 (mm), schedule SCH 5 to SCH XXS, wall thickness 0.71 to 8.0 (SWG, mm), length 5 m, 6.5 m (Customised up to 12 m per requirement) and pipe ends Plain, Bevelled. Standards include ASTM A213 / ASME SA-213, ASTM A269, ASTM A312 / ASME SA-312, ASTM A376 / ASME SA-376, ASTM A789 / ASME SA-789, ASTM A790 / ASME SA-790, ASTM A268 / ASME SA-268, ASTM A511, ASTM B163 / ASME SB-163 and ASTM B407 / ASME SB-407. Finishes and conditions include Bright Annealed (CFA), Solution Annealed (CFD), Electro Polished (EP), Polished (APP), Annealed and Pickled (AP), Mirror Polish, Matt Polish and Cold Drawn.
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.
mm
SWG, mm
Customised up to 12 m per requirement
The full detail for this product as supplied from our Mumbai stockyard: sizes, grades, standards, tolerances, tests and applications.
We are the largest Manufacturers, Stockholders, Suppliers & Exporters of Stainless Steel Welded Pipes Grades 17-4 PH in Mumbai, India.
Size x Thickness x Standard x Specification x Grade
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