Versatile Forged Steel Bar 4140 4145 4150 Scm440 Alloy

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS
• Model NO.: alloy steel bar
• Composition: Ferrous Steel Scrap
• Technique: Forged
• Shape: Bar
• Surface Treatment: Rough Machining
• Special Use: Roller Shaft
• Application: Structural Steel Bar
• Material: Alloy Steel Bar
• Main Grade: SAE4140 4145 4150 Scm435 Scm440 42CrMo4 1.7225
• Supply Condition: Forged Steel Bar
• Surface: Black or Bright Surface
• Other Type: Forged Parts, Forging Ring
• Transport Package: Anti-Rust Packaging
• Specification: 200-800mm
• Trademark: dajin
• Origin: China
• Production Capacity: 2000

Product Description

Forged: Experience the unmatched strength and durability of our expertly forged steel solutions, crafted to meet the highest industry standards. Alloy Steel Round Bar 4140 1.7225: Precision-engineered for superior performance, this round bar is the pinnacle of alloy steel innovation, specifically designed for demanding applications.
Hot forging steel bar: Our hot forging steel bars offer exceptional resilience and reliability, perfect for applications requiring robust mechanical properties.
Forged parts: Discover our range of forged parts, meticulously crafted to ensure optimal performance and long-lasting use.
SCM440 SCM435 4130 4140 4145 forged bars: Elevate your projects with our comprehensive lineup of high-quality forged bars, tailored to meet a variety of industrial needs.




1. Discover our cutting-edge product lineup, featuring advanced materials and expert craftsmanship.Forged steel 4140: Unleash the potential of forged steel 4140, a material renowned for its exceptional toughness and adaptability. Chemical Composition: Explore the intricate blend of elements that define our product's outstanding properties, setting new benchmarks in quality. and alternative grade: Providing versatile alternatives to meet diverse specifications and requirements. (%): Delve into the precise chemical composition percentages that ensure optimal material performance.

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. Explore our exceptional range of products designed to meet various industrial applications.Forged steel bar: Our forged steel bars are engineered for excellence, offering unparalleled strength and versatility. Available sizes: Discover our extensive range of sizes, meticulously crafted to meet diverse industrial needs with precision.
Round: Dia. 1 to 1000mm: Choose from our extensive selection of round bars, designed for precision and strength.Enhance your projects with our versatile options, available in multiple diameters for tailored solutions. - 1000mm
16mm-35mm: Our sizes cater to a broad range of specifications, ensuring compatibility with various applications.Our precision-engineered steel bars are available in a wide range of diameters to suit your specific needs.50mm with hot rolled supply condition;200-1000mm with forged supply condition: Our forged supply condition guarantees superior quality for larger dimensions.
Ensure optimal performance with our carefully categorized sizes, each tailored for specific industrial applications.
3. Delivery condition: Flexibility to meet your production demands with a variety of delivery conditions.Delivery condition: Tailored to meet your specific needs, offering flexibility and reliability in every order.: Hot rolled or forged, Peeled or black surface, annealed or QT: Customize your order with our diverse range of delivery options.
4.Applications: Versatile solutions for a broad spectrum of industries, transforming raw materials into indispensable components.
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears: Ideal for high-stress applications, our products deliver top-tier performance across a variety of demanding environments.
5.Heat Treatment: Precision heat treatment processes to maximize strength and durability.
Soft annealing: heat to 680-720°C, cool slowly: Achieve optimal softness and ease of machining with our precise heat treatment protocols.
Hardness after annealing: Max. 241 HB: Ensure the perfect balance of hardness and workability with our expertly controlled annealing processes.
Hardening: 820 - 850 °C: Enhance material strength and durability with our advanced hardening techniques.
Normalizing temperature: 840-880°C: Achieve material uniformity and stress relief through our specialized normalizing processes.
Tempering: 540-680°C: Fine-tune material toughness and ductility with our precisely controlled tempering protocols.
6. Inspection: Rigorous quality control ensures only the highest standards are met in every product. 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C: Our comprehensive ultrasonic testing guarantees flawless material integrity and quality assurance.



7. Packing situation: Efficient and secure packaging solutions tailored to meet your logistical needs. standard seaworthy packing or as customer required: Choose from our standard or customized packing solutions to ensure safe delivery.
8. Delivery time: 30: Streamlined operations to ensure prompt and reliable delivery within 30 days. days after order confirmed: Enjoy timely delivery with our efficient, customer-focused service.
9. Process: State-of-the-art processes to ensure top-notch quality and precision. Process: Our advanced production processes guarantee exceptional precision and performance in every product. EAF+LF+VD (necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional): Our comprehensive process options allow for tailored solutions that meet your precise needs.
10.Other grade we can supply: Explore our diverse range of grades, tailored to meet specialized industry requirements.
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Our advantage: Harness the power of innovation and technology to gain a competitive edge with our unique advantages.

• Computer-Aided Design (CAD) System: Leverage cutting-edge CAD technology for precision design and superior product development.
• Multiple Wire EDM (Electric Discharge Machining) Machines: Experience the precision and efficiency of our advanced EDM capabilities, delivering intricate parts with unrivaled accuracy.
• Plunge EDM (Solid Electrode Electric Discharge Machining): Our state-of-the-art Plunge EDM technology ensures meticulous craftsmanship and precise component creation.
• Complete Manufacturing of Carbide Dies: Benefit from our comprehensive manufacturing capabilities, producing high-quality carbide dies with precision and care.
• Contoured Straightener Rolls: Achieve perfect alignment and balance with our expertly crafted contoured straightener rolls, designed for optimal performance.
• Profile Shape Shear Knives: Experience unparalleled precision with our expertly crafted Profile Shape Shear Knives, designed to deliver exceptional performance and longevity in all your cutting applications.
• Fast Tooling Changes and Modifications: Enjoy seamless productivity with our rapid tooling changes and modifications, ensuring minimal downtime and maximized efficiency for your operations.
• An Advanced Quality Planning System Used for Prototyping: Leverage state-of-the-art technology with our Advanced Quality Planning System, meticulously engineered to enhance your prototyping process, ensuring superior quality and reliability.
• Our forged steel bar ref. pictures: Discover the impeccable craftsmanship and superior quality of our forged steel bars through our comprehensive reference pictures, showcasing durability and excellence.
  
  
  
  
• Forged steel bar factory: Welcome to our state-of-the-art forged steel bar factory, where cutting-edge technology meets unmatched expertise to produce top-tier steel bars with precision and care.
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  Our company certificates: Explore our prestigious company certificates that underscore our commitment to quality, excellence, and industry-leading standards in every product we deliver.
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