Wuxi Guanglu Special Steel Co., Ltd
WUXI GUANGLU SPECIAL STEEL CO., LTD. Stainless martensitic • precipitation hardening steel • stainless ferritic • specialty alloys — Our answer to your needs
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17-4PH 630 Stainless Steel Bright Round Bars And Wire In Rods Straightened
Precipitation hardening stainless steel 17-4PH, S17400, AISI 630, EN 1.4542, DIN X5CrNiCuNb16-4
17-4PH is a chromium-nickel-copper precipitation hardening stainless steel used for applications requiring
high strength and a moderate level of corrosion resistance. High strength is maintained to approximately 600°F (316°C).
The 17-4PH alloy is martensitic in structure in the annealed condition and is further strengthened by a
low temperature treatment which precipitates a copper containing phase in the alloy.
In comparison to many alloys in the precipitation hardening family, material 17-4PH requires a simple
heat treatment; a one step process conducted at a temperature in the range 900°F (482°C) to 1150°F (621°C)
depending on the combination of strength and toughness desired.
A wide range of properties can be produced by this one step heat treatment.
Heat treatment in the 900°F (482°C) range produces highest strength.
Chemical composition % weight
| C | Si | Mn | P | S | Cr | Ni | Cu | Nb |
| 0.07 | 1.00 | 1.00 | 0.040 | 0.030 | 15.5~17.5 | 3.00~5.00 | 3.00~5.00 | 0.15~0.45 |
Forms of supply
We produce 17-4PH, 630 Stainless steel bars, round, flat, square shapes.
products in hot rolled, forged, cold drawn condition.
We also produce 17-4PH stainless in sheet, strip, and plate product forms.
17-4PH is produced in compliance with aerospace specifications such as AMS 5604 and standard
industrial specifications such as ASTM A693 and ASME SA-693.
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
