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| Material | Nimonic 901N09901 |
|---|---|
Summary | |
| Material family | Nickel-Iron-Chromium Alloys |
| Grade / UNS | N09901 |
| Summary | An age-hardenable nickel-iron-chromium alloy used for gas-turbine discs, shafts and rings. |
Performance overview | |
| Material focus | Age-hardenable Ni-Fe-Cr |
| Physical reference |
|
| Chemical composition | Chemical compositionSelected nominal composition · wt.%
|
Mechanical propertiesReference conditions vary or are incomplete. Read the basis, condition and source for each column; these values do not establish a performance ranking or finished-fastener acceptance values. | |
| Tensile strength | Not documented in this reference |
| 0.2% yield strength | Not documented in this reference |
| Elongation | Not documented in this reference |
| Reference conditions |
|
Temperature & corrosionEvaluate the medium, concentration, impurities, temperature and loading together. A melting point or oxidation reference is not a safe working-temperature limit. | |
| Service conditions to review | State product form, heat treatment and the required strength. |
| Temperature-dependent data |
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Heat treatmentDelivery condition and heat-treatment requirements are agreed for the requested product form and order. | |
| Condition | Fully heat treated (modulus sample) |
| Reference treatment | Forged-bar recommendation in source: 1090°C / 3 h, water quench; 775°C / 4 h, air cool; 705–720°C / 24 h, air cool. This is not a BYBOLT process instruction.Special Metals · Alloy 901 · SMC-076 · Tables 1, 2, 4; forged-bar curve in Figure 1 ↗ |
Reference applicationsApplication examples provide context for review; suitability depends on the actual service conditions. | |
| Reference applications | Gas-turbine shafts, discs & rings |
Standards & documentationConfirm the edition, product form and condition. Material specifications do not establish finished-fastener compliance. | |
| Material specifications by form |
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| Sources | |
Documents for your enquiry
Every BYBOLT delivery includes an MTC / EN 10204 3.1 certificate, heat-number traceability and mechanical testing. Threaded products include sampled GO / NO-GO gauging. Test methods and acceptance criteria follow the agreed specification; PMI, third-party inspection and additional records are agreed separately at quotation.
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