Hastelloy C276 Foundation BoltUNS N10276 · Project drawing / purchase specification · Manufacturer, trader & exporter, India
Alloy C-276 · UNS N10276
A Hastelloy C276 foundation bolt is a heavy bolt set in concrete for machinery bases. Finished fastener specification not asserted; material/feedstock may be supplied to ASTM B574 (UNS N10276), where applicable; manufacturing route and finished fastener requirements are to the purchase specification or project drawing. Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.
- UNS N10276
- Project drawing / purchase specification
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Hastelloy C276 Foundation Bolt?
- What it is
- A heavy bolt set in concrete for machinery bases
- Finished spec
- Not asserted
- Material / feedstock
- ASTM B574 (UNS N10276), where applicable
- Dimensions
- Project drawing / purchase specification
- Grade
- Hastelloy C276 · UNS N10276
- Best at
- The most aggressive mixed acids, wet chlorine and hypochlorite
Hastelloy C276 Foundation Bolt Specification
| Product | Hastelloy C276 Foundation Bolt |
|---|---|
| Finished fastener specification | Not asserted |
| Material / feedstock specification | ASTM B574 (UNS N10276), where applicable |
| Dimensional standard | Project drawing / purchase specification |
| Manufacturing route | Route dependent on product design and purchase specification |
| Project / purchase specification | Yes — finished fastener requirements are to the purchase specification or project drawing |
| Sizes | M10 – M64 · ½" – 4" (others on request) |
| Threads | UNC · UN-8 · metric coarse |
| Testing | PMI (as specified in the PO) · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 or 3.2 on request / as specified in the PO |
When to Choose a Foundation Bolt
Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.
- Heavy diameters
- Made to drawing
- With nuts and plates
More on choosing: Foundation bolt guide.
Hastelloy C276 Foundation Bolt: Why C276 for foundation bolts
Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers. In Hastelloy C276, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Nickel-alloy fasteners match nickel-alloy flanges in corrosive or hot service. Hastelloy C276 is picked for the most aggressive mixed acids, wet chlorine and hypochlorite. |
|---|---|
| Typical service | Chemical processing — Reactors, heat exchangers and piping for mixed acids. |
| Bolting | B7 (coated), B8M or nickel-alloy studs in Hastelloy C276 (bar to ASTM B574, where applicable), as the project specifies |
| Sour service | Listed in NACE MR0175 / ISO 15156-3 within its limits — state it on the order |
Hastelloy C276 Foundation Bolt Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Nickel | As specified |
| Molybdenum | As specified |
| Chromium | As specified |
| Iron | As specified |
| Tungsten | As specified |
| Cobalt | As specified |
| Carbon | As specified |
| Manganese | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM B575 for UNS N10276.
Hastelloy C276 Foundation Bolt Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM B575 for UNS N10276 — Solution-annealed plate & sheet.
Full chemistry, properties and equivalents are on the Hastelloy C276 grade page.
Standards on this page
Other Hastelloy C276 fasteners
Hastelloy C276 Foundation Bolt — questions buyers ask
Foundation bolt or anchor bolt?
The terms overlap; foundation bolts usually refer to heavy bolts for machinery bases.
What nut is used with Hastelloy C276 foundation bolts?
Usually a nut in the same alloy — it may be machined from ASTM B574 bar, where applicable; finished requirements are to the purchase specification or project drawing.
Which standard covers Hastelloy C276 foundation bolts?
Finished fastener specification: Not asserted. Material / feedstock: ASTM B574 (UNS N10276), where applicable. Dimensions: Project drawing / purchase specification. State the finished specification, material and dimensions on your purchase order or project drawing.
What decides the price of a Hastelloy C276 foundation bolt?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 or 3.2 certificates available on request / as specified in the PO; dimensional reports as required. PMI can be arranged depending on product and requirements, as specified in the PO.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026