Steel for quenching and tempering. Weldable only after preheating as a last resort, easy mechanical and thermal processing. Exhibits high resistance to abrasion.
Steel for quenching and tempering. Weldable only after preheating as a last resort, easy mechanical and thermal processing. Exhibits high resistance to abrasion.
The steel is used for the production of high-strength parts used in cars and vehicle construction. It produces: king pins, connecting rods, gears, geared rollers, spindles, reinforced rims, axles.
Chemical composition
| Element | C | Si | Mn | P | S | Cr | Mo | Cu |
| min | 0.38 | 0.10 | 0.60 | max | max | 0.90 | 0.15 | max |
| max | 0.90 | 0.40 | 0.90 | 0.025 | 0.035 | 1.20 | 0.40 | 0.40 |
przesuń w bok, żeby zobaczyć wszystkie wartości
Equivalents
| Wr.Nr. | PN | EN | GOST | AISI |
| 1.7225 | 40HM | 42CrMo4 | 40XM | 4140 |
przesuń w bok, żeby zobaczyć wszystkie wartości
+A – annealed
+U – untreated
+QT – quenched and tempered
+A + U from Φ 16 mm to Φ 650 mm in diameter
+QT Φ 20 mm to Φ 800 mm in diameter
+QT h9 Φ 16 mm to Φ 80 mm in diameter
