304 Structural Stainless Steel Sheet , Mirror Finish Stainless Steel Sheet, 4x8 Decorative
Continuous casting slab, or slab slab, is used as a raw material, heated by a step heating furnace, dewatered by high-pressure water, and then put into a rough rolling mill. The rough rolling material passes through the cutting head and tail and then enters the finishing mill to carry out computer-controlled rolling. After the final rolling, it is subjected to laminar cooling (computer-controlled cooling rate) and coiler winding, which results in a straight hair roll. The head and tail of the straight hair roll are often in the shape of a tongue and a fishtail. The thickness and width are poorly accurate, and the side has frequent defects such as a wave shape, a folded edge, and a tower shape. The weight of the coil is heavier, and the inner diameter of the coil is 760 mm.
| Hot-rolled plate |
| Specification
(Thick) | Big Deviation | Normal Deviation | Small Deviation | No Deviation |
| 3.0mm | 2.6mm-2.75mm | 2.75mm-2.85mm | 2.86mm-2.9mm | no less than 2.9mm |
| 4.0mm | 3.5mm-3.6mm | 3.6mm-3.75mm | 3.76mm-3.95mm | no less than 3.95mm |
| 5.0mm | 4.5mm-4.6mm | 4.6mm-4.75mm | 4.75mm-4.95mm | no less than 4.95mm |
| 6.0mm | 5.4mm-5.6mm | 5.6mm-5.75mm | 5.75mm-5.85mm | no less than 5.85mm |
| 8.0mm | 7.3mm-7.5mm | 7.5mm-7.65mm | 7.65mm-7.85mm | no less than 7.85mm |
| 10.0mm | 9.2mm-9.3mm | 9.3mm-9.6mm | 9.6mm-9.85mm | no less than 9.85mm |
| 12.0mm | 11.1mm-11.2mm | 11.2mm-11.6mm | 11.6mm-11.85mm | no less than 11.85mm |
| 14.0mm | 13.1mm-13.2mm | 13.2mm-13.6mm | 13.6mm-13.85mm | no less than 13.85mm |
Hot-rolled sheet has relatively low strength and poor surface quality (low oxidation and smoothness), but good plasticity; generally medium and heavy plate; cold-rolled sheet: high strength, high hardness, high surface finish, generally thin sheet, can be used as stamping with the board.
Hot-rolled steel sheet mechanical properties are far less than those of cold processing, second only to forging, but with good toughness and ductility.
Heat Resistance:
Grade 430 resists oxidation in intermittent service up to 870°C and to 815°C in continuous service. This grade may become brittle at room temperature after prolonged heating in the 400–600 °C range. This effect can be eliminated by annealing.
| 430 stainless steel chemical composition |
| Grade | C | Si | Mn | Cr | N | P | S | Ni |
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | 16.00~18.00 | - | ≤0.040 | ≤0.03 | ≤0.60 |
| 430 physical properties |
| 430 | Density : | 7.75g/cm3 |
| Melting point: | 1427℃ |
| Tensile Strength: | σb (MPa)≥450 |
| Yield strength: | σ0.2 (MPa)≥205 |
Welding
Excellent weldability by all standard fusion and resistance methods, both with and without filler metals. Heavy welded sections in Grade 201 require post-weld annealing for maximum corrosion resistance.
Machining
Stainless steel tends to harden if machined too quickly. For this reason, low speeds and constant feed rates are recommended.
Different kinds of finishing services
Process machine
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11 Gauge 304 Structural Stainless Steel Sheet 4x8 Cut To Size Images
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