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Choose up to three materials. Compare their properties, reference conditions and specification requirements side by side.
47 matching materials
Special Stainless & Iron-Base AlloysUNS N08020View material details
Nickel-Iron-Chromium AlloysUNS N08825View material details
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| Material | Incoloy 020N08020 | Incoloy 825N08825 |
|---|---|---|
Summary | ||
| Material family | Special Stainless & Iron-Base Alloys | Nickel-Iron-Chromium Alloys |
| Grade / UNS | N08020 | N08825 |
| Summary | A nickel-rich austenitic alloy used for sulfuric-acid processing and related chemical equipment. | A nickel-iron-chromium alloy with molybdenum and copper for corrosive process environments. |
Performance overview | ||
| Material focus | Sulfuric-acid process service | Acid and chloride-bearing media |
| Physical reference | Not documented in this reference |
|
| Chemical composition | Chemical compositionSelected composition limits · wt.%
| Chemical compositionComposition limits · wt.%
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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 | 661 MPa Published tensile-test result Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗Stabilize annealed · 0% cold reduction Room temperature | 690 MPa Typical catalogue reference Supplied technical reference · Scanned PDF page 13 · printed page 25Annealed Not documented in this reference |
| 0.2% yield strength | 306 MPa Published tensile-test result Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗Stabilize annealed · 0% cold reduction Room temperature | 310 MPa Typical catalogue reference Supplied technical reference · Scanned PDF page 13 · printed page 25Annealed Not documented in this reference |
| Elongation | 38 % Published tensile-test result Special Metals · Incoloy Alloy 020 · Technical bulletin · identity, composition, applications and listed specifications ↗Stabilize annealed · 0% cold reduction Room temperature | 45 % Typical catalogue reference Supplied technical reference · Scanned PDF page 13 · printed page 25Annealed Not documented in this reference |
| Reference conditions |
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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 | Confirm acid concentration, contaminants and temperature. | Review chemical exposure and the required annealed condition. |
| Temperature-dependent data | Not documented in this reference |
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Heat treatmentDelivery condition and heat-treatment requirements are agreed for the requested product form and order. | ||
| Condition | Stabilize annealed · 0% cold reduction | Annealed |
| Reference treatment | Not documented in this reference | Not documented in this reference |
Reference applicationsApplication examples provide context for review; suitability depends on the actual service conditions. | ||
| Reference applications | Sulfuric-acid processing · pumps & valves | Acid-processing equipment · oil & gas equipment |
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 | Sources
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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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