Hastelloy C276 Stud BoltASTM F468 · ASME B18.31.2 · Manufacturer, stockist & exporter, India
Alloy C-276 · UNS N10276
A Hastelloy C276 stud bolt is a fully threaded rod supplied with two heavy hex nuts. ASTM F468 (N10276) where specified, 0.250–1.500 in.; otherwise may be machined from ASTM B574 bar (UNS N10276), where applicable — finished requirements to the purchase specification or project drawing. Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables.
- ASTM F468
- ASME B18.31.2
- 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 Stud Bolt?
- What it is
- A fully threaded rod supplied with two heavy hex nuts
- Finished spec
- ASTM F468 (N10276) where specified, 0.250–1.500 in.
- Material / feedstock
- ASTM B574 bar (UNS N10276), where applicable
- Dimensions
- ASME B18.31.2 · B16.5 bolting tables
- Grade
- Hastelloy C276 · UNS N10276
- Best at
- The most aggressive mixed acids, wet chlorine and hypochlorite
Hastelloy C276 Stud Bolt Specification
| Product | Hastelloy C276 Stud Bolt |
|---|---|
| Finished fastener specification | ASTM F468 (N10276) where specified, 0.250–1.500 in. |
| Material / feedstock specification | ASTM B574 bar (UNS N10276), where applicable |
| Dimensional standard | ASME B18.31.2 · B16.5 bolting tables |
| Manufacturing route | To the finished specification where specified; otherwise machining from bar, where applicable |
| 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 · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Stud Bolt
Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables.
- Fully threaded, with two heavy hex nuts
- Length per ASME B16.5 flange class
- UNC up to 1", UN-8 above
More on choosing: Stud bolt guide.
Hastelloy C276 Stud Bolt: Why C276 for stud bolts
Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables. 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 Stud 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 Stud 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 Stud Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiHastelloy C276 Stud Bolt — questions buyers ask
How is stud bolt length measured?
From first thread to first thread, excluding chamfered points, as tabulated in ASME B16.5.
What nut is used with Hastelloy C276 stud 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 stud bolts?
Finished fastener specification: ASTM F468 (N10276) where specified, 0.250–1.500 in.. Material / feedstock: ASTM B574 bar (UNS N10276), where applicable. Dimensions: ASME B18.31.2 · B16.5 bolting tables. State the finished specification, material and dimensions on your purchase order or project drawing.
What decides the price of a Hastelloy C276 stud 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.
Can you supply Hastelloy C276 stud bolts to NACE MR0175?
Yes. Hastelloy C276 is listed in NACE MR0175 / ISO 15156-3 within its limits; state NACE compliance on the order and it is confirmed on the certificate.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026