| All data is for information only------(<---links) | |
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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 |