High-Performance Forged S355jr 4340 Steel Crankshaft for Engine Optimization

• Customization: Available
• Application: Aerospace Industry, Agricultural Equipment, Automotive Industry, Construction Industry
• Certification: CE, ISO9001
• Model NO.: A+ crankshaft forging
• 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
• Name: 4340 Steel Crank Shaft Forging
• Processing: Forging
• Size: 1000-5000mm
• CNC Turning: Roungh Machining
• Material: Alloy Steel
• Load: Drive Shaft
• Stiffness & Flexibility: Flexible Shaft
• Axis Shape: Crankshaft
• Transport Package: Wooden Package and Steel Package
• Specification: forging s355jr steel crank shaft
• Trademark: 4140 steel crankshaft forging
• Origin: Jiangsu China
• HS Code: 73269090
• Production Capacity: 3000 Ton/Month

Product Description

Name: AISI4140 42crmo4 forging steel crankshaft/ forged steel crankshaft 

1.Product Description

Name	Open die forging steel turbine main shaft
Material	42CrMo, 42CrMo4, 34CrNiMo6
Main production process	forged+ heat treatment+ rough machining+finish machining
Standards	ASTM, ASME, DIN, JIS, ISO, BS, API, EN
Delivery Status	N + T (Normalizing + Tempering) , with finish machining
Production capacity	1.Open die forging: Max OD: 3800mm; Max weight: 35t; Max height: 2500mm. 2.Ring rolling: OD: 600mm~3800mm; Min ID: 500mm; Max weight: 4t; Max height: 500mm.

2.Raw Material:
Carbon steel, C-Mn steel, alloy structure steel, alloyed tool steel, cold roll steel, steel for pressure vessel,
carburizing steel, die steel, stainless steel and so on.

Wind Turbine Shaft	42CrMo4, 34CrNiMo6
Marine Shaft	C-Mn steel
Hydro Turbine Shaft	20SiMn
Roller Shaft	70Cr3Mo; 9Cr2Mo; MC1; MC2; MC3
Gear Shaft	17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo;  47CrNiMo6, 20CrMnMo
Gear	17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo;  47CrNiMo6, 20CrMnMo, 30 CrNiMo6
Pressure Vessel Forgings	SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1,  14Cr1Mo, 42CrMo, F304, F316, 17-4PH, 4330, 4336, 4340
Ring Rolling	16Mn, 50Mn, 42CrMo, 15MnV, 35CrMo, A105, 20#, 304, 304L, 316, 316L

* As we manufacture customized products, other materials are also appreciated.
3. Specification:
1) The maximum length: 16m;
2) The maximum weight: 38t;
* The products could be manufactured according to your request.
4. Certification: 
ISO 9001:2008, PED Certificate, TUV Rheinland, Bureau Veritas (BV), Lloyd Register (LR), ABS, RINA
Germanischer Lloyd (GL), Korean Register of Shipping (KR), Det Norske Veritas (DNV), Nippon Kaiji Kyokai (NK);
5. Delivery Status:
N+T (Normalizing + Tempering), Q+T (Quenching + Tempering);
6. Specific price is determined by the material and your specific requirements.

Advantages:
1. Good mechanical properties;
2. High tensile strength;
3. Well-closed formation;
4. Comparative price;
5. Customized services, manufacturing according to your specific requirements.