Rough Machine 4130 4145 4150 4140 Alloy Forged Steel Round Bar

China Rough Machine 4130 4145 4150 4140 Alloy Forged Steel Round Bar, Find details about China Forged Round Bars, Steel Forging from Rough Machine 4130 4145 4150 4140 Alloy Forged Steel Round Bar

Basic Info.

Model NO.

forged steel bar

Special Use

Cold Heading Steel, Mold Steel

Application

Machine Parts/Roller Shaft

Heat Treatment

Qt/Normalized/Annealing

Main Grade

4140 4130 4150 4340 8620 1045 A105

Tolerance of Rough Machine

-0/+0.5mm

Main Type

Forging Parts, Forged Bar

Ready Stock

C45 4140 Forged Steel Bar

Trademark

Shandong

Transport Package

Seaworthy Packaging

Specification

200mm-1000mm

Origin

China

Model NO.

forged steel bar

Special Use

Cold Heading Steel, Mold Steel

Application

Machine Parts/Roller Shaft

Heat Treatment

Qt/Normalized/Annealing

Main Grade

4140 4130 4150 4340 8620 1045 A105

Tolerance of Rough Machine

-0/+0.5mm

Main Type

Forging Parts, Forged Bar

Ready Stock

C45 4140 Forged Steel Bar

Trademark

Shandong

Transport Package

Seaworthy Packaging

Specification

200mm-1000mm

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;
200-1000mm 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)
Rough Machine 4130 4145 4150 4140 Alloy Forged Steel Round Bar