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Precipitation Age Hardenable Stainless Cold Rolled Steel Strip SUS630 17-4PH Coil
Martensitic precipitation, age-hardenable stainless alloy offering high strength and hardness,
excellent corrosion resistance, and good fabricating characteristics.
Stainless Alloy 17-4PH is a chromium-copper precipitation hardening stainless steel that is used
for applications requiring high strength and a moderate level of corrosion resistance.
It is one of the most widely used precipitation hardening grades, as it has high strength hardness up to
about 572°F while demonstrating good corrosion resistance in all heat treated conditions.
17-4PH has adequate resistance to atmospheric corrosion or in diluted acid salts where its corrosion
resistance is equivalent to Alloy 304 or 430.
stainless 17-4PH can be heat treated to a variety of temperatures to develop a wide range of properties.
Its mechanical properties can be optimized with heat treatment where very high yield strength
up to 180 ksi can be achieved.
17-4PH stainless should not be used at temperatures above 572°F or at very low temperatures.
Chemical composition ( weight % )
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu | Cb+Ta |
| 630, 17-4PH, 1.4542, X5CrNiCuNb16-4, S17400 | 0.07 max | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 15.00~17.50 | 3.0~5.0 | 3.0~5.0 | 0.15~0.45 |
Product forms
17-4PH, SUS630 Stainless steel strip, coil, sheet, plate
AMS 5643, ASME SA564, ASTM A564, ASTM A693 (Strip), ASTM A705
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs
Tel: +86 510 81812873
Email: export@guanglusteel.com
