SS 304.
SS 304 is the general-purpose 18/8 austenitic stainless steel.
Quick details
| Material grade | SS 304 (UNS S30400) |
|---|---|
| Forms | Pipes, Tubes, Sheets & plates, Round bars, Butt-weld fittings, Flanges |
| Usage / application | Food, dairy and beverage equipment, Water and utility piping, Architectural and kitchen fabrication |
| Test certificate | EN 10204 3.1 mill test certificate; 3.2 on request |
| Business type | Stockist and supplier |
| Location | Kumbharwada, Mumbai 400004, Maharashtra |
Also searched as: SS 304, stainless steel 304, 304, UNS S30400, W.Nr 1.4301, X5CrNi18-10
Product information for purchasing teams
SS 304 is the general-purpose 18/8 austenitic stainless steel. It resists atmospheric corrosion, most food and water service and mild chemicals, welds easily and stays tough at low temperatures. When chlorides are present, buyers usually step up to 316.
Exact specification, availability and commercial details are confirmed against your enquiry.
Product forms and standards
| Form | Standard |
|---|---|
| Pipes | ASTM A312 / ASME SA312 TP304 |
| Tubes | ASTM A213 / A269 TP304 |
| Sheets & plates | ASTM A240 / ASME SA240 Type 304 |
| Round bars | ASTM A276 / A479 Type 304 |
| Butt-weld fittings | ASTM A403 WP304 |
| Flanges | ASTM A182 F304 |
Equivalent grades
| Grade | UNS | Werkstoff Nr. | EN / BS | JIS |
|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | X5CrNi18-10 | SUS 304 |
Chemical composition, %
| Grade | C | Mn | Si | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| SS 304 | ≤ 0.07 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 17.5 – 19.5 | 8.0 – 10.5 | ≤ 0.10 |
Mechanical properties
| Property | Value |
|---|---|
| Tensile strength | ≥ 515 MPa |
| Yield strength (0.2%) | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 201 HB |
Values per ASTM A240, annealed. Confirm against the current edition of the standard and your purchase specification.
Density: 7.93 g/cm³
Applications
- Food, dairy and beverage equipment
- Water and utility piping
- Architectural and kitchen fabrication
- Storage tanks and general process lines
Questions buyers ask
Is SS 304 magnetic?
Annealed 304 is essentially non-magnetic. Cold working, such as bending or drawing, can make it slightly magnetic without changing the grade.
What are the equivalent grades of SS 304?
SS 304 is UNS S30400, Werkstoff 1.4301, EN X5CrNi18-10 and JIS SUS 304.
In which forms is SS 304 available?
Pipes to ASTM A312 / ASME SA312 TP304; Tubes to ASTM A213 / A269 TP304; Sheets & plates to ASTM A240 / ASME SA240 Type 304; Round bars to ASTM A276 / A479 Type 304; Butt-weld fittings to ASTM A403 WP304; Flanges to ASTM A182 F304.
What is the density of SS 304?
About 7.93 g/cm³ (7,930 kg/m³).
Where is Steel Impex India located?
Steel Impex India is at 231/235, Sant Sena Maharaja Marg, 2nd Kumbharwada, Mumbai 400004, and supplies across India.