420 stainless steel is suitable for all kinds of precision machinery, bearings, electrical, equipment, instruments, meters, transportation vehicles, household appliances, etc.This is the most cost effective grade of steel. So the 420 Stainless Steel Coil Price is lower compared to other grades of stainless steels and all metallic products in general. There are different versions of the material with low carbon and high carbon content. The low carbon version, 420 coils are very good for welding applications as they have less carbide precipitation and less localized corrosion.
Equivalent Material of 420 Stainless Steel Coil
| Grade | Euronorm | China GB | Japanese JIS |
| No. | |||
| 420 | 1.4021 | 20Cr13 | SUS420 |
Standard Specification of 420 Stainless Steel Coil
| Thickness | 0.5mm-12.0mm |
| Width | 600mm, 700mm, 800mm, 900mm, 1000mm, 1200mm, 1220mm, 1500mm, etc |
| Length | Per Coil |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | Cold rolled coil (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
420 Stainless Steel Coil Composition Content
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 420 | Min. Max. | 0.16~0.25 | ≤1.00 | ≤1.00 | ≤0.04 | ≤0.03 | 12.0~14.0 | / | ≤0.75 |
Tensile strength σ B (MPa) : quenching and tempering,≥635
Conditional yield strength σ0.2 (MPa) : quenching and tempering,≥440
Elongation Δ5 (%) : quenching and tempering,≥20
Section shrinkage ψ(%) : quenching and tempering,≥50
Impact work AKV (J) : quenching and tempering,≥63
Hardness: Annealing,≤223HB;
Quenching and tempering,≥192HB
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