| Data still to be completed------(<---links) | |
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| PRODUCT DATA of A286 |
| Material | A286 |
| General Information | This super alloy is can be used at temperatures up to 700 C. Its main uses are highly loaded fasteners |
| Chemical Composition | 25% Ni, 15% Cr, 2% Ti, 1.5% Mn, 1.3% Mo, 0.3% V, Rem. Fe |
| Name of Manufacturer | Boehler Edelstahl GMBH & Co KG
Mariazeller Straße 25, A-8605 Kapfenberg, Austria +43-3862/20-7181 +43 3862/20-7576 info@bohler-edelstahl.com www.bohler-edelstahl.com Maher Ltd Edward Street, Sheffield S3 7GD, UK +44 (0)114 290 9200 +44 (0)114 290 9290 www.maher.co.uk |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| Cost Range | Medium |
| Equivalent Designations | Werk. No. 1.4980, Z6 NCT 25/15, UNS S66286, AISI 660, Z3NCT25, A 286 |
| Space Experience | Extensive |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 7.92 @RT |
| Phase changes | Precipitation of Ni3Ti occures between 650 and 815 C |
| Magnetic Properties | Nonmagnetic |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 201 GPa |
| Shear Modulus | 71.7 GPa |
| Poisson Ratio | 0.306 |
| ELECTRICAL PROPERTIES |
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| Electrical Volume Resistivity | 9.1e-7 ohm.m |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 13 W/m.K |
| Thermal Expansion Coefficient | 16.9 μstrain/°C |
| Melting Range | 1370 to 1430 °C |
| Specific Heat | 0.461 J/g.K |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Corrosion/Thermal | High resistance up to 700°C. |
| Stress Corrosion Status | High Resistance to SCC: Table 1
Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |
| EMF vs SCE | -0.07 V Remark: Measured in 3.5% NaCl solution Data Quality: Design Data |
| Bimetallic Corrosion | Can be connected without any restriction to: Cr, Au, Pt, C, Rh, Ag, Gun-metal, P-bronzes, Sn-bronzes, Ti+alloys
Can be connected in a non-controlled environment to the above and Cd, Cu, Brasses, Ni, monel, inconel, N-Mo alloys, 400 series stainless steel Can be connected in a clean room environment to above and Al-Cu alloys, Cu-Ni alloys, Al-bronzes, Si-bronzes Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data |
| FLUID SYSTEMS COMPATIBILITY |
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| Gaseous Oxygen (GOX) | Meets the mechanical impact requirements. No batch test required. |
| Liquid Oxygen (LOX) | Meets the mechanical impact requirements. No batch test required. |
| Nitrogen Tetroxide (N2O4) | SCC susceptibility is low and no fluid decomposition |
| Hydrazine (HDZE) | SCC susceptibility is low and no fluid decomposition |
| SPECIAL RECOMMENDATIONS |
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| Special Recommendations | Suitable for fasteners. |