Grade 304L 304 steel is a flat shaped plate of 304 stainless steel alloy.
Grade 304L 304 steel has excellent mechanical properties, resistance to many corrosive agents.
Grade 304L 304 steel is useful where sanitation and cleanliness are important.
| Chemical Composition Limits (WT%) | |
|---|---|
| Carbon | 0.08 max. |
| Manganese | 2.00 max. |
| Phosphorus | 0.045 max. |
| Sulfur | 0.03 max. |
| Silicon | 0.75 max. |
| Chromium | 18.00-20.00 |
| Nickel | 8.00-10.50 |
| Nitrogen | 0.10 max. |
| Iron | Balance |
Hardness and tensile strength can be increased by cold working, but modified by lowered carbon content providing good resistance to corrosion in welded construction where subsequent heat treatment is not practical.
Grade 304L (L= low carbon) is the same as the above except it has an extra-low-carbon analysis. The advantage of this is that it precludes any harmful precipitation in the 800º F to 1500º F range, which might otherwise occur in welding heavier sections.
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