Material datasheet · Nickel superalloy (corrosion grade)
Ni-Cr-Mo-W Superalloy
UNS N10276 · Solution annealed (~2050°F, water quench)
The corrosion-resistance king. Survives reducing acids, chlorides, sour gas.
Chemical composition
Nominal % by weight.
| Element | % by wt |
|---|---|
| Ni | Bal. |
| Cr | 14.5–16.5 |
| Mo | 15.0–17.0 |
| W | 3.0–4.5 |
| Fe | 4.0–7.0 |
Applicable specifications
AMS / ASTM / MIL.
- AMS 5750
- ASTM B574 (bar)
- ASTM B575 (plate)
Machining guidance
CNC parameters and tooling.
Whisker ceramic or coated carbide; rigid setup
Workhardens like Inconel. No dwell, constant feed, light DOC. Pre-drill before tap.
Stock & cost
Forms and Q1 2026 pricing.
- Pickle/passivate
- Electropolish
Typical applications
Where Hastelloy C-276 is the right pick.
- Sour gas wellhead components
- Acid scrubbers
- Chlorine processing
- Pollution control
- Pharmaceutical reactors
Alternative materials
Substitute or upgrade options.
- Inconel 625 (less expensive, similar corr.)
- Hastelloy C-22 (better in oxidizing acids)
- Alloy 59
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Machine your part in Hastelloy C-276.
Production CNC milling and turning. Confirm material, inspection and documentation requirements when requesting a quote.
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Related tools & references
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How it stacks up against its alternatives.
Aerospace specs that call out this alloy.