SS 304L Stainless Steel
Low-carbon version of 304. Resists intergranular corrosion after welding, so it is preferred for welded tanks and thick sections.
Chemical composition of SS 304L (%)
| C | Mn | Si | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|
| 0.030 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.5 – 19.5 | 8.0 – 12.0 | 0.10 max |
Mechanical properties
| Tensile strength (min) | 485 MPa |
|---|---|
| Yield strength 0.2% (min) | 170 MPa |
| Elongation (min) | 40% |
| Hardness (max) | 92 HRB / 201 HB max |
| Density | 7.93 g/cm³ |
Equivalent grades
| ASTM / AISI | UNS | EN / W.Nr. | DIN | JIS |
|---|---|---|---|---|
| 304L | S30403 | 1.4307 | X2CrNi18-9 | SUS 304L |
Applications of SS 304L
- Welded storage tanks
- Pharma and chemical process vessels
- Piping systems
- Heavy-gauge welded fabrication
Our advice
Most mills now supply dual-certified 304/304L material, which meets the strength of 304 and the carbon limit of 304L.
Values are typical ASTM A240 limits for flat products and are for guidance only. Always refer to the mill test certificate supplied with the material.
SS 304L — FAQs
What is the chemical composition of SS 304L?
SS 304L contains C 0.030 max%, Mn 2.00 max%, Si 0.75 max%, P 0.045 max%, S 0.030 max%, Cr 17.5 – 19.5%, Ni 8.0 – 12.0%, N 0.10 max% (typical ASTM A240 limits).
What is the equivalent of SS 304L?
SS 304L is UNS S30403, EN 1.4307 (X2CrNi18-9) and SUS 304L in the Japanese standard.
What is the density of SS 304L?
The density of SS 304L is about 7.93 g/cm³ (7930 kg/m³).
Where can I buy SS 304L in Vadodara?
Sagar Sales Corporation supplies SS 304L sheet, plate, coil, round bar, pipe, tube, angle & flat, flanges in Vadodara with mill test certificates. Contact us for today's rate.
Get today's SS 304L rate
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