Stainless Steel 420 / 420J1 / 420J2 Coil
| Specifications | ASTM A240, ASME SA240 |
| Standard | JIS, ASTM, AISI, GB, EN, DIN |
| Surface | 2B, BA, HL, No. 4, Mirror etc. |
| Finish | Cold rolled, Hot rolled |
| Thickness | 0.3mm~200mm |
| Size | 0.3mm~200mm |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
Grade Specifications for Stainless Steel 420 / 420J1 / 420J2 Coils
| STANDARD | WERKSTOFF NR. | UNS | EN | BS | AFNOR | SIS | JIS | AISI |
| SS 420 | 1.4021 | S42010 | X20Cr13 | 420S29 / 420S37 | – | 2303 | SUS420J1 | 420 |
| SS 420J1 | 1.4021 | S42010 | X20Cr13 | 420S29 | Z20C13 | 2303 | SUS420J1 | 420L |
| SS 420J2 | 1.4028 | S42000 | X20Cr13 | 420S37 | Z20C13 | 2304 | SUS420J2 | 420M |
Chemical Properties of SS 420 / 420J1 / 420J2 Coils
| Grade | C | Si | Mn | P | S | Cr |
| SS 420 | 0.16 – 0.25 | max 1 | max 1.5 | max 0.04 | max 0.015 | 12 – 14 |
Mechanical Properties of SS 420 / 420J1 / 420J2 Coils
| Rm – Tensile strength (MPa) (+QT) | 650-950 |
| Rp0.2 0.2% proof strength (MPa) (+QT) | 450-600 |
| KV – Impact energy (J) longitud., (+QT) | +20°20-25 |
| A – Min. elongation at fracture (%) (+QT) | 10-12 |
| Vickers hardness ( HV): (+A) | 190 – 240 |
| Vickers hardness ( HV): (+QT) | 480 – 520 |
| Brinell hardness (HB): (+A)) | 230 |
