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| PRODUCT DATA of HS 188 | 
| Material | HS 188 | 
| General Information | Cobalt alloy Data Mil-Hdbk-5 | 
| Chemical Composition | Co-22Cr-14W-22Ni-0.1C-0.075La | 
| EXPERIENCE IN PRACTICE | 
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| Development Status | Commercial Product | 
| Equivalent Designations | UNS R30188 | 
| ELASTIC PROPERTIES | 
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| Tensile Modulus | 232 GPa | 
| Shear Modulus | 88.3 GPa | 
| Poisson Ratio | 0.31 | 
| THERMAL PROPERTIES | 
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| Thermal Conductivity | 14.5 W/m.K | 
| Thermal Expansion Coefficient | 13.1 μstrain/°C | 
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY | 
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| Stress Corrosion Status | High Resistance to SCC: Table 1 Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |