4140 1.7225 Scm440 42CrMo Hot Forging Steel Forged Roller Shaft

China 4140 1.7225 Scm440 42CrMo Hot Forging Steel Forged Roller Shaft, Find details about China Forged Steel Bar, 4140 Forged Steel from 4140 1.7225 Scm440 42CrMo Hot Forging Steel Forged Roller Shaft

Basic Info.

Model NO.

forged steel

Special Use

Statically and Dynamically Stressed Components for

Application

Crankshafts

Length

All Length Can Be Customized

Tolerance

-0/+2mm for Turned Surface and -0/+5mm for Black S

Heat Treatment

Normalized / Annealed / Quenched / Tempered (Optio

Process

Ef + Lf + Vd + Forged + Heat Treatment (Optional)

Dellvery Condition

Hot Forged +Rough Machined (Black Surface After Q/

Test

Ultrasonic Test According to Sep 1921-84 Class C/C

Forged Shaft

Roller Shaft

Trademark

DaJin

Transport Package

Seaworthy Packing

Specification

90mm - 1600mm can be customized

Origin

China

Model NO.

forged steel

Special Use

Statically and Dynamically Stressed Components for

Application

Crankshafts

Length

All Length Can Be Customized

Tolerance

-0/+2mm for Turned Surface and -0/+5mm for Black S

Heat Treatment

Normalized / Annealed / Quenched / Tempered (Optio

Process

Ef + Lf + Vd + Forged + Heat Treatment (Optional)

Dellvery Condition

Hot Forged +Rough Machined (Black Surface After Q/

Test

Ultrasonic Test According to Sep 1921-84 Class C/C

Forged Shaft

Roller Shaft

Trademark

DaJin

Transport Package

Seaworthy Packing

Specification

90mm - 1600mm can be customized

Origin

China

Product Desciption

Forged Alloy Steel Round Bar 4140 1.7225
Hot forging steel bar
Forged parts
SCM440 SCM435 4130 4140 4145 forged bars

1.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 - 1000mm
16mm-350mm with hot rolled supply condition;
200-1600mm 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 1.7225 Scm440 42CrMo Hot Forging Steel Forged Roller Shaft