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17-7PH |
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| Category | Steel |
| Class | Stainless steel |
| Type | Precipitation-hardening standard |
| Designations |
Germany: DIN 1.4568
United States: AMS 5528 , AMS 5529 , AMS 5568 , AMS 5644 , AMS 5673 , AMS 5678 , AMS 5824 , ASME SA705 , ASTM A313 , ASTM A564 , ASTM A579 (grade 62) , ASTM A693 , ASTM A705 , MIL SPEC MIL-S-25043 , MIL SPEC MIL-W-46078 , SAE J217 , SAE J467 (17-7PH) , UNS S17700
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| Composition |
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| Element | Weight % |
| C |
0.09 |
| Mn |
1.00 |
| Si |
1.00 |
| Cr |
16.0-18.0 |
| Ni |
6.5-7.75 |
| P |
0.04 |
| S |
0.03 |
| Al |
0.75-1.5 |
| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
7.7-8.03
|
25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
204 |
25 |
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| Tensile Strength (Mpa) |
1650 |
25 |
CH900 (plate, sheet, strip) more |
| Yield Strength (Mpa) |
1590 |
| Elongation (%) |
1 |
| Reduction in Area (%) |
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| Hardness (HRC) |
41-44 |
25 |
RH950 (plate, sheet, strip) |
| Note: Values vary with flat-rolled products. |
| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
11 |
0-100 more |
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| Thermal Conductivity (W/m-K) |
16.4 |
100 more |
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| Specific Heat (J/kg-K) |
460 |
0-100 |
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| Electric Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Electric Resistivity (10-9W-m) |
830 |
25 |
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