4130 4140 4150 C45 1045 Hot Forged Steel Bar/Forging Parts

• Type: Round
• Standard: AISI, ASTM, DIN, JIS
• Composition: Carbon and Alloy Grade
• Technique: Forged
• Shape: Bar
• Surface Treatment: Rough Machine
• Model NO.: forged steel bar
• Special Use: Cold Heading Steel
• Application: Auto Parts
• Main Grade: 4140 4130 4145 4150 8620 C45 1045 etc.
• Ut Test: 100%
• Ut Level: Sep1921-84 C/C D/D
• Size Tolerance: -0/+5mm in Diameter
• Length: as Client′s Requirement
• Cutting Service: Avaliable
• Transport Package: Seaworth Packaging
• Specification: diameter: 200mm-1000mm
• Trademark: Shandong
• Origin: China
• Production Capacity: 2000tons

Product Description

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)
10.Our advantage

1. Computer-Aided Design (CAD) System
2. Multiple Wire EDM (Electric Discharge Machining) Machines
3. Plunge EDM (Solid Electrode Electric Discharge Machining)
4. Complete Manufacturing of Carbide Dies
5. Straightener Rolls
6. Profile Shape Shear Knives
7. Fast Tooling Changes and Modifications
8. An Advanced Quality Planning System Used for Prototyping
9. Our forged steel bar factory
   
   Our forging steel bar equipment
   
   
   Our forged steel bars
10. 

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