4130 Forged Steel Round Bar Parts Manufacturer

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB
• Model NO.: forged parts
• Composition: Alloy Steel or Carbon Steel
• Technique: Forged
• Shape: Bar
• Surface Treatment: Rough Machining or Black Surface
• Special Use: Cold Heading Steel, Mold Steel
• Application: Structural Steel Bar
• Ready Stock Grade: 1045 4140 Forged Steel Bar
• Delivery Time of New Goods: 30days
• Heat Treatment: Qt/Normalized/Annealing
• Rough Machining Diameter Tolerance: -0/+0.5mm
• Transport Package: Seaworthy Packaging
• Specification: 200mm-1000mm
• Trademark: Shandong
• Origin: China
• Production Capacity: 5000tons

Product Description

Discover the superior quality of SCM440, SCM435, 4130, 4140, 4145 forged bars, expertly crafted forging shafts, and precision-engineered forged parts.
Premium Forged Alloy Steel Round Bar 4140: Unmatched Strength and Durability.
High-Grade Steel 1.7225: Where Performance Meets Reliability.
Hot Forging Steel Bar: An Epitome of Robustness and Precision.
Precision-Forged Parts: Engineered for Excellence.
High-Performance SCM440, SCM435, 4130, 4140, 4145 Forged Bars for Superior Applications.
1. Chemical Composition (%): Detailed Breakdown of Elements.

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: Tailored to Fit Your Needs.
Round: Diameter options starting from 1
6
- 1000mm: Precision-Made for Diverse Applications.
16
mm-3.
5
0mm with Hot Rolled Supply Condition: Ensuring Quality and Performance.
200-1000mm with Forged Supply Condition: Superior Strength and Integrity.
3. Delivery Condition: Crafted to Your Specifications.
Delivery Condition: Tailored to Meet Your Exact Needs. : Choose from Hot Rolled or Forged, Peeled or Black Surface, Annealed or QT.
4. Applications: Versatility and Performance for Various Industries.
Ideal for Statically and Dynamically Stressed Components in Vehicles, Engines, and Machines. Perfect for Larger Cross-Sections, Crankshafts, and Gears.
5. Heat Treatment: Precision Engineering for Optimal Performance.
Soft Annealing: Heat to 680-720°C, Cool Slowly for Superior Results.
Achieve Max. 241 HB Hardness After Annealing: Ensuring Durability.
Hardening Process: 820 - 850 °C for Enhanced Strength.
Normalizing Temperature: 840-880°C to Ensure Material Stability.
Tempering Range: 540-680°C for Optimal Hardness and Toughness.
6. Inspection: Rigorous Quality Checks for Guaranteed Excellence. 100% Ultrasonic Testing According to SEP1921-84, GR.3 CLASS C/C Standards.
7. Packing Situation: Robust and Secure Packaging Options. Standard Seaworthy Packing or Customized as Per Customer Requirements.
8. Delivery Time: Efficient Turnaround Within 30 Days Post Order Confirmation. 30 Days After Order Confirmation: Timely and Reliable Delivery.
9. Process: State-of-the-Art Manufacturing Techniques. Comprehensive Process: EAF+LF+VD (Necessary) +UT+ Peeled (Optional) +Turned (Optional) + Heat Treatment (Optional). High-Precision Manufacturing with EAF+LF+VD, Ensuring Optimal Quality and Performance.

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