42CrMo Forged Steel Crankshaft Finished Machine

• Customization: Available
• Application: Aerospace Industry, Agricultural Equipment, Automotive Industry, Construction Industry, Medical Industry
• Certification: CE, ISO9001
• Model NO.: 4140\4340\42crnimo/42crmo/45c/20c/45c/316L304/F91
• Corrosion Resistance: Medium Corrosion Resistance
• Journal Diameter Dimensional Accuracy: IT6-IT9
• Journal Relative Position Accuracy: 0.01-0.03mm
• Journal Surface Roughness: 0.63-0.16μm
• Shaft Type: Crankshaft
• Strength: Medium Strength
• Surface Finish: Polished
• Tolerance: Standard Tolerance
• Cncturning: Roungh Machining
• Tech: Forged + Maching
• Size: According Drawing
• Stiffness & Flexibility: Stiffness / Rigid Axle
• Axis Shape: Straight Shaft
• Appearance Shape: Round
• Transport Package: Box or Wooden Package
• Specification: aisi4340 steel crank shaft forged
• Trademark: aisi4140 steel crank shaft
• Origin: China
• HS Code: 73269090
• Production Capacity: 3000ton/Month

Product Description

Name: Forging aisi4140 aisi4340 steel crank shaft

Detailed Description:
1) Product Name: Forged Shaft, Shaft Forging
2) Material: 4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 
     9Cr3Mo, 60CrMoV etc.
3) Max weight: 60ton.
4) MOQ: 20ton.
5) FOB Port: Shanghai Port, China.
6) Delivery Time: 60ton in 30 days.
7) Delivery Condition: Rough Machined, Heat Treated, Fine Machined + EN10204: 3.1B
8) Payment: 30% T/T in advance, Balanced C.A.D.; or 100% L/C.

Mill Frequently Used Steel Materials:

1) Wind Power Shaft: 42CrMo4V, 34CrNiMo6; Wind Power Flange: S355NL, C22, 16Mn, 20Mn, 42CrMo, F304.
2) Forged Pipe Fittings: SA106 CL B, SA106 CL C, WB36, 12Cr1MoV, SA335 P11, P12, P22, P91, SA182 Gr.F1, Gr.F5, Gr.F11 CL2, Gr.F12 CL2,
     Gr.F22 CL3, SA350 Gr.LF1, Gr.LF2,Gr.LF3.
3) Pressure Vessel Forgings: SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo, F304, F316, 17-4PH.
4) Shaft Related Forgings: 25CrMo4, 42CrMo4, 40CrNiMo, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 4130, 4140.
5) Gear Related Forgings: 35CrMo, 34CrMo4, 4137, 42CrMo, 4140, SCM440, 20CrMnMo, 40CrNiMo, 20CrNi2Mo, 20Cr2Ni4A, 34CrNi3Mo.
6) Copper Forgings: C10100, C10200, C10300, C10700, C12000, C12200.           

We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality ...
Management Certification:HACCP   ISO 9001:2000   ISO 9001:2008   ISO 14001:2004 

Item	Process	Facility	Inspection items	Standard
01	Steel material  inspection		Chemical composition (EF+LF+VD)	Material standard
			surface	Ingot inspection  specification
			Ingot type and weight	Material standard
02	Material store		Division put	warehouse management
1	Heat	Heat furnace	Temperature/Time	Heating process  specification Forging production  procedure
2 ↓	Forging	Press	Reduction ratio,forging  temperature,deformation,  Surface and dimensions	Forging process card Forging procedure
3 ↓	Heat treatment	heat treatment  furnace	heat treatment charts	1st heat-treatment card Forging procedure
4 ↓	Rough  inspection		Dimensions, apperance,  Mark	Inspection specification Forging procedure
5 ↓	Rough UT	UT equipment	Single defect, concentrated  Defects bottom wave  attenuation	UT standard or  customer's technical  requirements
6 ↓	Saw cutting	Saw machine	Dimension	IQC and forging
7 ↓	rough turning	turning-lathe	Dimension,appearance	Rough machining  drawing
8 ↓	UT	UT equipment	Single defect, concentrated  defects bottom wave attenuation	UT standard or  customer's technical  requirements
9 ↓	Q+T  heat treatment	heat treatment  furnace	heat treatment charts	Heating process  specification
10 ↓	Sampling or machining	machining tool	rough machining drawing sampling drawing	sample machining  drawing
11 ↓	mechanical  property test	tensile testing machine/ impact testing machine	ambient temperature,humidity, Test temp.Sample dimension,  test method	Standard technical specification
12 ↓	finish  machining	machining  tool	Dimension,appearance	finish machining drawing
13 ↓	UT	UT equipment	Single defect, concentrated  Defects bottom wave  attenuation	UT standard or  customer's technical  requirements
14 ↓	MT	MT equipment	Magnetic particle  indication	Test standard or  Technical requirements
15 ↓	Mark	Steel seal	marking content	Product standard Technical requirements Forging process
16 ↓	Final  inspection		Appearance, dimension, mark acceptance inspection	Product inspection  specification Product standard P.O.
17	Protection/ package	Blasting Blasting equipment	appearance coating thickness	Product standard Technical requirements