SS 304L Hex NutASTM A193 · ASME B18.2.2 · Manufacturer, stockist & exporter, India
AISI 304L · UNS S30403
An SS 304L hex nut is a standard hexagon nut, made from SS 304L to ASTM A193 B8 · A194 8. Standard hex nuts for general bolting, to ASME B18.2.2 or DIN 934 / ISO 4032.
- ASTM A193
- ASME B18.2.2
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an SS 304L Hex Nut?
- What it is
- A standard hexagon nut
- Material
- ASTM A193 B8 · A194 8
- Dimensions
- ASME B18.2.2 · DIN 934
- Grade
- SS 304L · UNS S30403
- Best at
- Welded tanks, piping and vessels in general corrosive service
SS 304L Hex Nut Specification
| Product | SS 304L Hex Nut |
|---|---|
| Material standard | ASTM A193 B8 · A194 8 |
| Dimensional standard | ASME B18.2.2 · DIN 934 |
| 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 Hex Nut
Standard hex nuts for general bolting, to ASME B18.2.2 or DIN 934 / ISO 4032.
- ASME B18.2.2 · DIN 934
- Metric and inch
- Matching material to bolt
More on choosing: Hex nut guide.
SS 304L Hex Nut: Why 304L for hex nuts
Standard hex nuts for general bolting, to ASME B18.2.2 or DIN 934 / ISO 4032. In SS 304L, 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 304L is picked for welded tanks, piping and vessels in general corrosive service. |
|---|---|
| Typical service | Process piping — Welded lines in chemical and pharma plants. |
| Bolting | ASTM A193 B8 studs with A194 8 nuts |
SS 304L Hex Nut Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 17.5 – 19.5 |
| Nickel | 8.0 – 12.0 |
| Carbon | 0.030 max |
| Manganese | 2.00 max |
| Silicon | 0.75 max |
| Nitrogen | 0.10 max |
| Phosphorus | 0.045 max |
| Sulphur | 0.030 max |
SS 304L Hex Nut Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 485 MPa · 70 ksi |
| Yield strength 0.2% | 170 MPa · 25 ksi |
| Elongation | 40% |
| Hardness | 201 HB max |
Full chemistry, properties and equivalents are on the SS 304L grade page.
Other SS 304L fasteners
SS 304L Hex Nuts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 304L Hex Nut — questions buyers ask
Can I use a standard hex nut on flange studs?
Flange bolting normally specifies heavy hex nuts; standard hex nuts are for general joints.
What nut is used with SS 304L hex nuts?
ASTM A194 8 heavy hex nuts.
Which standard covers SS 304L hex nuts?
The material is ASTM A193 B8 · A194 8; dimensions follow ASME B18.2.2 · DIN 934. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 304L hex nut?
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