SS 904L Foundation BoltASTM A479 · IS 5624 / project drawing · Manufacturer, stockist & exporter, India
Alloy 904L · UNS N08904
An SS 904L foundation bolt is a heavy bolt set in concrete for machinery bases, made from SS 904L to ASTM A479. Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers.
- ASTM A479
- 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 an SS 904L Foundation Bolt?
- What it is
- A heavy bolt set in concrete for machinery bases
- Material
- ASTM A479
- Dimensions
- IS 5624 / project drawing
- Grade
- SS 904L · UNS N08904
- Best at
- Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water
SS 904L Foundation Bolt Specification
| Product | SS 904L Foundation Bolt |
|---|---|
| Material standard | ASTM 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.
SS 904L Foundation Bolt: Why 904L for foundation bolts
Foundation bolts secure heavy machinery and structures. Supplied to drawing with nuts and washers. In SS 904L, 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 | Stainless fasteners resist atmospheric and process corrosion. SS 904L is picked for dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water. |
|---|---|
| Typical service | Sulphuric acid plants — Coolers, piping and tanks for dilute sulphuric acid. |
| Bolting | as the project specifies |
SS 904L Foundation Bolt Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | 23.0 – 28.0 |
| Chromium | 19.0 – 23.0 |
| Molybdenum | 4.0 – 5.0 |
| Copper | 1.0 – 2.0 |
| Carbon | 0.020 max |
| Manganese | 2.00 max |
| Silicon | 1.00 max |
| Nitrogen | 0.10 max |
SS 904L Foundation Bolt Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 490 MPa · 71 ksi |
| Yield strength 0.2% | 220 MPa · 31 ksi |
| Elongation | 35% |
| Hardness | 90 HRB max |
Full chemistry, properties and equivalents are on the SS 904L grade page.
Standards on this page
Other SS 904L fasteners
SS 904L Foundation Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 904L 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 SS 904L foundation bolts?
A nut in the same alloy, machined from ASTM A479 bar, unless the project specifies otherwise.
Which standard covers SS 904L foundation bolts?
The material is ASTM 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 SS 904L 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 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