420 ( 420 )
| Grade : | 420 |
| Classification: | Alloy for welding stainless and heat resisting steel. Type B (classification according to alloy type) |
| Standard: | EN ISO 14343: 2009 Welding consumables. Wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat resisting steels. |
| Equivalent grades: | No information |

Chemical composition % of grade 420 ( 420 )
| C | Si | Mn | Ni | P | S | Cr | Mo | Cu |
| 0.25 - 0.4 | max 0.5 | max 0.6 | max 0.75 | max 0.03 | max 0.03 | 12 - 14 | max 0.75 | max 0.75 |
Mechanical properties of grade 420 ( 420 )
| Rm - Tensile strength (MPa) | 450 |
| Rp0.2 0.2% proof strength (MPa) | 250 |
| A - Min. elongation at fracture (%) | 15 |

Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |





