Super Duplex 2507 Foundation BoltASTM A276 · IS 5624 / project drawing · Manufacturer, stockist & exporter, India
UNS S32750 · W.Nr 1.4410
A Super Duplex 2507 foundation bolt is a heavy bolt set in concrete for machinery bases, made from Super Duplex 2507 to ASTM A276 / A479. Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.
- ASTM A276
- IS 5624 / project drawing
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Super Duplex 2507 Foundation Bolt?
- What it is
- A heavy bolt set in concrete for machinery bases
- Material
- ASTM A276 / A479
- Dimensions
- IS 5624 / project drawing
- Grade
- Super Duplex 2507 · UNS S32750
- Best at
- Seawater and high-chloride service where strength also matters
Super Duplex 2507 Foundation Bolt Specification
| Product | Super Duplex 2507 Foundation Bolt |
|---|---|
| Material standard | ASTM A276 / A479 |
| Dimensional standard | IS 5624 / 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 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.
Super Duplex 2507 Foundation Bolt: Why 2507 for foundation bolts
Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers. In Super Duplex 2507, 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 | Duplex fasteners add strength in chloride service. Super Duplex 2507 is picked for seawater and high-chloride service where strength also matters. |
|---|---|
| Typical service | Offshore & subsea — Seawater injection, firewater and subsea piping. |
| Bolting | B7 (coated), B8M or duplex studs, as the project specifies |
| Sour service | Listed in NACE MR0175 / ISO 15156-3 within its limits — state it on the order |
Super Duplex 2507 Foundation Bolt Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 24.0 – 26.0 |
| Nickel | 6.0 – 8.0 |
| Molybdenum | 3.0 – 5.0 |
| Nitrogen | 0.24 – 0.32 |
| Copper | 0.50 max |
| Carbon | 0.030 max |
| Manganese | 1.20 max |
| Silicon | 0.80 max |
Super Duplex 2507 Foundation Bolt Mechanical Properties
| Solution-annealed plate & sheet | Value |
|---|---|
| Tensile strength | 795 MPa · 116 ksi |
| Yield strength 0.2% | 550 MPa · 80 ksi |
| Elongation | 15% |
| Hardness | 310 HB max |
Full chemistry, properties and equivalents are on the Super Duplex 2507 grade page.
Standards on this page
Other Super Duplex 2507 fasteners
Super Duplex 2507 Foundation Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSuper Duplex 2507 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 Super Duplex 2507 foundation bolts?
A nut in the same alloy, machined from ASTM A276 / A479 bar, unless the project specifies otherwise.
Which standard covers Super Duplex 2507 foundation bolts?
The material is ASTM A276 / A479; dimensions follow IS 5624 / project drawing. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Super Duplex 2507 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.
Can you supply Super Duplex 2507 foundation bolts to NACE MR0175?
Yes. Super Duplex 2507 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