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| PRODUCT DATA of 17-4PH |
| Material | 17-4PH |
| Product Datasheet | SMC ArcelorMittal Bohler |
| General Information | 17-4PH is a martensitic chromium-nickel-copper precipitation/age-hardening stainless steel offering high strength and hardness |
| Chemical Composition | 15-17.5Cr, 3-5Ni, 3-5Cu, 0.15-0.45Nb+Ta, 0.07C rem Fe |
| EXPERIENCE IN PRACTICE |
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| Equivalent Designations | 1.4542, S17400, SUS630 AISI 630 |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 7.81 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 197 GPa |
| Poisson Ratio | 0.272 |
| ELECTRICAL PROPERTIES |
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| Electrical Volume Resistivity | 7.7e-7 ohm.m |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 17.9 W/m.K |
| Thermal Expansion Coefficient | 11.5 to 12.5 μstrain/°C |
| Specific Heat | 0.419 J/g.K |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Stress Corrosion Status | Moderate Resistance to SCC: Table 2 Remark: Requires Stress corrosion evaluation form Data Quality: Design Data |