Processing Technology of 304 Stainless Steel Plate
Processing Technology of 304 Stainless Steel Plate
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Processing Technology of 304 Stainless Steel Plate
With advances in science and industry, materials are required to meet higher standards, such as increased strength and durability, high temperature and pressure tolerance, corrosion resistance, and wear resistance. Carbon steel often cannot meet these demands.
Ingredient list Of 304 Stainless Steel Plate
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |||
| 304 | Min. | / | / | / | / | / | 18 | / | 8 | / | ||
| Max. | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 20 | 10.5 | 0.1 | ||||
| 304L | Min. | / | / | / | / | / | 18 | / | 9 | / | ||
| Max. | 0.03 | 2 | 1 | 0.045 | 0.03 | 20 | 11 | |||||
| 304H | Min. | 0.04 | / | / | 0.045 | / | 18 | / | 8 | / | ||
| Max. | 0.1 | 2 | 0.75 | / | 0.03 | 20 | 10.5 | |||||
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness | ||||||||
| (MPa) | 0.2% Proof (MPa) | (% in 50mm) | Rockwell B | Brinell | ||||||||
| (HR B) | (HB) | |||||||||||
| 304 | 515 | 205 | 40 | 92 | 201 | |||||||
| 304L | 515 | 205 | 40 | 90 | 187 | |||||||
| 304H | 515 | 205 | 40 | 92 | 201 | |||||||
Limitations of Carbon Steel
- Low Hardenability: Water-quenching hardens only to a depth of 10-20 mm.
- Limited Strength and Buckling Resistance: For example, the yield strength (σ S) of Q235 carbon steel is 235 MPa, whereas 16Mn low-alloy steel exceeds 360 MPa.
- Poor Tempering Stability: Due to poor stability, carbon steel either has low toughness or limited strength, depending on the tempering temperature used.
- Lacks Specialized Properties: Carbon steel struggles with resistance to oxidation, corrosion, heat, low temperatures, wear, and special electromagnetic requirements, making it unsuitable for applications needing these characteristics.
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