4130 4140 4145h 18crnimo6 Forging Ring Forged Alloy Steel Bar

China 4130 4140 4145h 18crnimo6 Forging Ring Forged Alloy Steel Bar, Find details about China Forged Steel Bar, Forging Ring from 4130 4140 4145h 18crnimo6 Forging Ring Forged Alloy Steel Bar

Basic Info.

Model NO.

forged steel bar

Special Use

Cold Heading Steel, Free Cutting Steel

Application

Structural Steel Bar

Main Grade

1045 Ck45 S355jr 4140 4340 8620

Surface

Rough Turning Surface or Black Surface

Tolerance

-0/+5mm

Length

Cut According to Client′s Request

Trademark

customized

Transport Package

Seaworthy Packaging

Specification

200mm-1000mm

Origin

China

Model NO.

forged steel bar

Special Use

Cold Heading Steel, Free Cutting Steel

Application

Structural Steel Bar

Main Grade

1045 Ck45 S355jr 4140 4340 8620

Surface

Rough Turning Surface or Black Surface

Tolerance

-0/+5mm

Length

Cut According to Client′s Request

Trademark

customized

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)

4130 4140 4145h 18crnimo6 Forging Ring Forged Alloy Steel Bar