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4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear

China 4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear, Find details about China Forged Steel, Forging Steel from 4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear

Model NO.
forged steel
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Die Steel Bar;Tool Steel Bar
Ready Stock
Yes
Length
3m-12m
Main Grade
4140, 4130, 4145h, 4340.8620
Forged Steel Bar
Forging Steel
Steel Bar
Steel Round Bar
Trademark
DaJin
Transport Package
Bundle by Wire Rod
Specification
dia 20mm-600mm
Model NO.
forged steel
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Die Steel Bar;Tool Steel Bar
Ready Stock
Yes
Length
3m-12m
Main Grade
4140, 4130, 4145h, 4340.8620
Forged Steel Bar
Forging Steel
Steel Bar
Steel Round Bar
Trademark
DaJin
Transport Package
Bundle by Wire Rod
Specification
dia 20mm-600mm
Forged Alloy Steel Round Bar 4140 1.7225
Hot forging steel bar
Forged parts
SCM440 SCM435 4130 4140 4145 forged bars
1.Chemical Composition (%):
GradeCSiMnPSCrMo
42CrMo40.38-0.450.17-0.370.40-0.70≤0.035≤0.0350.90-1.200.15-0.25
1.72250.38-0.45≤0.400.60-0.90≤0.025≤0.0350.90-1.200.15-0.30
41400.38-0.430.15-0.350.75-1.00≤0.035≤0.0400.80-1.100.15-0.25
2.Available sizes:
Round: Dia. 16 - 1000mm
16mm-350mm with hot rolled supply condition;
200-1000mm with forged supply condition
3.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 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
6. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
7. Packing situation:  standard seaworthy packing or as customer required
8. Delivery time:  30 days after order confirmed 
9. Process:  EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)
4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear4140 4145h 4130 4340 1045 Forged Steel Bar Block Forging Pinion Gear

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