17-4PH Alloys

17-4PH Alloys

Raj Metals supplies 17-4PH Alloys, precipitation-hardening stainless steel for high strength, corrosion resistance, dimensional stability, aerospace, defense, marine, pump, and valve engineering. We provide dependable material selection, cutting support, documentation, and supply coordination for project and maintenance requirements.

Key Features

✓ High strength with corrosion resistance
✓ Excellent aged properties
✓ Good machinability
✓ Reliable for critical shafts

Product Specifications

Parameter Details
Material Family / Product Form Precipitation Hardening Stainless Steel
Common Grades 17-4PH / UNS S17400 / AISI 630
Available Forms Bars, Sheets, Plates, Pipes, Tubes, Fittings, Fasteners, and custom cut material as applicable
Standards ASTM, ASME, AMS, DIN, EN, JIS, and client-specific equivalent grades
Finish Options Bright, black, pickled, polished, machined, or as per requirement
Quality Support MTC, PMI, dimensional inspection, third-party inspection, and traceability on request

17-4PH Chemical Composition

Grade Cr Ni Cu Nb + Ta C Other Elements
17-4PH / 630 15.0 - 17.5 3.0 - 5.0 3.0 - 5.0 0.15 - 0.45 0.07 max Mn 1.00 max, Si 1.00 max, Fe Balance

Industry Applications

Aerospace Structural Parts

Pump Shafts

Valve Stems

Marine Hardware

Defense Components

High-Strength Fasteners