ASTM F899 Material EN 1.4568 DIN X7CrNiAl17-7 17-7PH Stainless Steel Sheet And Strip
ASTM F899 Material EN 1.4568 DIN X7CrNiAl17-7 17-7PH Stainless Steel Sheet And Strip
Material 1.4568, also referred to as X7CrNiAl17-7, 17-7PH
a precipitation-hardenable austenitic stainless steel combining high strength, toughness and excellent corrosion resistance.
Its heat treatment capability allows tailoring the mechanical properties to specific requirements,
making it a versatile choice for demanding applications.
1.4568 is widely used in aerospace, medical technology, mechanical engineering and automotive industries,
especially for highly stressed springs, clips, clamps, diaphragms, valve components and precision parts.
Typical chemical composition %
| C | Si | Mn | P | S | Cr | Ni | Al |
| 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 16.00-18.00 | 6.50-7.50 | 0.75-1.50 |
Specification
- ASTM F899 AISI 631, UNS S17700, 17-7PH
- ASTM A693
- AMS 5529, sheet, strip, cold rolled
- AMS 5528 sheet, strip and plate
- DIN EN 10151 EN 1.4568 DIN X7CrNiAl17-7
Mechanical properties
| Condition | Tensile strength | Hardness | Age treatment |
| Solution annealed, condition A | 150 ksi max. 1000 Mpa max. | HRB 92 max. | TH1050, RH950 |
|
Spring temper, condition C |
200 ksi min, 1380 Mpa min. | HV 400 min. | CH900 |
Applications
- Springs
- rings
- washers
- tubing
- clips, clamps
Form of supply
17-7PH stainless steel strip, coil, cut lengths sheet, plate
For Details, please Contact
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