304 and 304L SS Composition
| Difference | SUS 304 | SUS 304 L |
| Characteristics |
– Austenitic basic steel, the most widely used; – Excellent corrosion resistance and heat resistance; – Excellent low temperature strength and mechanical properties; |
Compared with 304 excellent corrosion resistance. |
| Uses |
-1, 2 kinds of tableware, exterior materials, building materials, auto parts, – Medical devices, chemistry, food technology, fiber industry, – Ship parts |
– Chemical, coal, oil industry equipment with high resistance to grain boundary corrosion, – Building materials, heat-resistant parts and components that are difficult to heat-treat |
Chemical composition of 304 and 304L SS
| Types | C | Si | Mn | P | S | Cr | Ni |
| SUS 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 |
| SUS 304 L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | ≤18.0-20.0 | ≤8.0-10.5 |
