4150 4145h 4140 1045 Forging Alloy Round Steel Bar Forged Shaft

China 4150 4145h 4140 1045 Forging Alloy Round Steel Bar Forged Shaft, Find details about China Forging Steel, 4140 Forged Shaft from 4150 4145h 4140 1045 Forging Alloy Round Steel Bar Forged Shaft

Basic Info.

Model NO.

forged steel bar

Special Use

Free Cutting Steel, Mold Steel

Application

Structural Steel Bar

Supply Condition

Hot Forged or Qt

Forged Shaft

Rough Machine

Main Material

Carbon or Allloy

Main Grade

4140 4340 4150 4145 8620

Cutting Service

Yes

Forging Rings

Yes

Trademark

Shandong

Transport Package

Seaworth Packaging

Specification

200mm-1000mm

Origin

China

Model NO.

forged steel bar

Special Use

Free Cutting Steel, Mold Steel

Application

Structural Steel Bar

Supply Condition

Hot Forged or Qt

Forged Shaft

Rough Machine

Main Material

Carbon or Allloy

Main Grade

4140 4340 4150 4145 8620

Cutting Service

Yes

Forging Rings

Yes

Trademark

Shandong

Transport Package

Seaworth Packaging

Specification

200mm-1000mm

Origin

China

Product Desciption

Forged steel round bars
EN19 EN24 froged round steel bars
Hot forging shafts
Alloy Steel Round Bar 4140 1.7225

.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)

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forged steel bar/en19 forged steel bars/en24 forged steel bar/forging shafts/forging ring

4150 4145h 4140 1045 Forging Alloy Round Steel Bar Forged Shaft