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| PRODUCT DATA of Custom 455 H1000 |
| Material | Custom 455 H1000 |
| Product Datasheet | custom 455 455 cryo 455 fat 455 mech 455 temp |
| General Information | Custom 455 is a precipitation hardenable stainless steel with a martensitic structure in both the solution annealed and hardened conditions. It is used for parts requiring corrosion resistance and high strength at temperatures up to 425 C. |
| Precautions | Low resistance to SCC in lower than H1000 conditions: table 3 |
| Chemical Composition | Fe-11.75Cr-8.5Ni-1.2Nb+Ta-0.3Ti-2.25Cu |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 7.75 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 197 GPa |
| Poisson Ratio | 0.3 |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 17.3 W/m.K |
| Thermal Expansion Coefficient | 10.3 μstrain/°C |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Stress Corrosion Status | High Resistance to SCC: Table 1
High resistance to SCC in the H1000 or above condition Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |
| Welding | The alloy can be welded by resistance, butt welding, spot welding and TIG methods |