Description
SCM440 SCM435 4130 4140 4145 forged bars forging shaft forged parts
Forged Alloy Steel Round Bar 4140 1.7225Hot forging steel barForged partsSCM440 SCM435 4130 4140 4145 forged bars1.Chemical Composition (%):| Grade | C | Si | Mn | P | S | Cr | Mo |
| 42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
| 1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
2.Available sizes:Round: Dia. 16 - 1000mm16mm-350mm with hot rolled supply condition;200-1000mm with forged supply condition3.Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.4.Applications:Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.5.Heat Treatment:Soft annealing: heat to 680-720°C, cool slowly.Hardness after annealing: Max. 241 HBHardening: 820 - 850 °CNormalizing temperature: 840-880°CTempering: 540-680°C6. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C 7. Packing situation: standard seaworthy packing or as customer required8. Delivery time: 30 days after order confirmed 9. Process: EAF+LF+VD ( necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional) Keywords:forged steel bar/forging parts/forging rings/4140 forged steel bar/forged round bars/hot forging/steel forging/forged round bar/round bar 4140/42CrMo4 steel bar/forging/forged/forged steel bar/forging parts/forging rings/4140 forged steel bar/forged round bars/hot forging/steel forging/forged round bar/round bar 4140/42CrMo4 steel bar/forging/forged/forged steel bar/forging parts/forging rings/4140 forged steel bar/forged round bars/hot forging/steel forging/forged round bar/round bar 4140/42CrMo4 steel bar/forging/forged/
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