| Data still to be completed------(<---links) | |
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| PRODUCT DATA of H-11 |
| Material | H-11 |
| Chemical Composition | Fe-0.40% C, 1.05% Si, 5.00% Cr, 1.35% Mo, 0.35% V |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 7.8 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 200 GPa |
| Shear Modulus | 81 GPa |
| Bulk Modulus | 140 GPa |
| Poisson Ratio | 0.3 |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 24.6 W/m.K |
| Thermal Expansion Coefficient | 11 μstrain/°C |
| Specific Heat | 0.46 J/g.K |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Stress Corrosion Status | High Resistance to SCC: Table 1: UTS below 1450 MPa Low Resistance to SCC: Table 3: UTS above 1450 MPa UTS Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |
| Machinability | Machinability is reasonably good, approximately 75% water hardening low alloy tool steels. |
| Welding | H11 is a readily weldable alloy by conventional methods. |