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Material 17-4PH Strip 17-4PH Sheet 17-4PH Plate SUS630 Stainless Steel Strip In Coil
17-4PH is a martensitic precipitation hardening stainless steel,
equivalent grades 0Cr17Ni4Cu4Nb, SUS630, EN 1.4542.
The intensity level of the alloy can be adjusted by changes in heat treatment process.
Martensitic transformation and the formation of precipitation hardening phase by aging treatment is
the main means to strengthen the alloy.
17-4PH stainless alloy has good anti-attenuation, anti-fatigue, anti-corrosion and nice resistance to
water droplets properties.
| AISI, UNS | JIS | GB | EN, DIN |
| 630, S17400, 17-4PH | SUS630 | 0Cr17Ni4Cu4Nb | 1.4542, X5CrNiCuNb16-4 |
Chemical composition %
| C | Si | Mn | P | S | Cr | Ni | Cu | Nb |
| 0.07 max. | 1.00 max. | 1.00 max. | 0.040 max. | 0.030 max. | 15.00~17.50 | 3.00~5.00 | 3.00~5.00 | 0.15~0.45 |
Heat Treatment
Solution heat treatment at 1020～1060℃, rapid cooling; then aging
treatment, air cooling.
| Condition | Aging at 480℃ | Aging at 550℃ | Aging at 580℃ | Aging at 620℃ |
| Tensile strength ( MPA ) | ≥1310 | ≥1060 | ≥1000 | ≥930 |
| Yield strength ( 0.2%, MPA ) | ≥1180 | ≥1000 | ≥865 | ≥725 |
| Elongation ( % in 2'' ) | ≥10 | ≥12 | ≥13 | ≥16 |
| Reduction of area | ≥40 | ≥45 | ≥45 | ≥50 |
Form of supply
630 ( 17-4PH ) Stainless steel sheet, plate, strip and coil
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
