Grade AISI 4140 _42CrMo4 Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Grade AISI 4140 _42CrMo4 Steel Round Bar
Details of Grade AISI 4140 _42CrMo4 Steel Round Bar
Name | Steel Round Bar |
Shape | Round Bar/Square Bar/Flat Bar/Plate/Wire |
Standard | GB/ASTM/SAE/AISI/DIN/JIS/EN/BS |
Surface Treatment: | Black/Peeling/Polished/Machined |
Delivery Condition: | Hot Rolled or Forged/Peeled or Black Surface |
Test | SGS/UT 100% Elements Testing |
Certificate: | ISO/Mill Certificate |
Service: | 24 hours online service / |
more than 20 years trading and manufacture | |
Quality Assurance: | the third party inspection, such as SGS, BV, TUV…etc. is acceptable |
Packaging Details: | Seaworthy Packaging or as per customer's packing instruction |
Specification of Grade AISI 4140 _42CrMo4 Steel Round Bar
1.Size of 4140 Steel Round Bar | ||||||||
Round bar | Diameter(mm) | Length (mm) | ||||||
20~800 | 3000~9000 | |||||||
Plate | Thickness(mm) | Width (mm) | Length (mm) | |||||
Max:800 | Max:2200 | Max:9000 | ||||||
The specification can be customized. | ||||||||
2.Chemical Compositons | ||||||||
Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.8 | ≤0.035 | ≤0.035 | 0.9~1.2 | 0.15-0.25 | ≤0.3 |
4140 | 0.40~0.45 | 0.15~0.35 | 0.75~1.0 | ≤0.035 | ≤0.040 | 0.8~1.1 | 0.15-0.25 | - |
SCM44 | 0.38~0.43 | 0.15~0.35 | 0.60~0.9 | ≤0.030 | ≤0.030 | 0.9~1.2 | 0.15-0.30 | ≤0.25 |
1.7225 | 0.38~0.45 | ≤0.40 | 0.60~0.9 | ≤0.025 | ≤0.035 | 0.9~1.2 | 0.15-0.30 |
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3.Features of 4140 alloy steel | ||||||||
1. Chromium molybdenum alloy steel | ||||||||
2. Slightly higher carbon content then 4130 | ||||||||
3. Greater strength and heat treatment | ||||||||
4.Typical Applications | ||||||||
1. Applications in the oil and gas sector | ||||||||
2. Connection rods, collets, conveyor pins, | ||||||||
3. Gears, stem assemblies, | ||||||||
4. Pump shafts and tool holders | ||||||||
CNBM Introduction of Grade AISI 4140 _42CrMo4 Steel Round Bar Supplier
CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.
With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.
After-sale service |
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Advantages
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Packaging & Delivery Grade AISI 4140 _42CrMo4 Steel Round Bar
Packaging Detail | Sea worthy packing /as per customer's packing instruction |
Delivery Detail | 15 ~ 40 days after receiving the deposit |
Products Show
FAQ:
Are you a trading company or manufacturer? | Manufacturer |
What’s the MOQ? | 3 metric ton |
What’s your delivery time? | 15-35 days after downpayment received |
Do you Accept OEM service? | Yes |
what’s your delivery terms? | FOB/CFR/CIF |
What's the Payment Terms? | 30% as deposit,70% before shipment by T/T |
Western Union acceptable for small amount. | |
L/C acceptable for large amount. | |
Scrow ,Paybal,Alipay are also ok | |
Why choose us? | Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals. |
What's your available port of Shipment? | Main Port, China |
What’s your featured services? | Our service formula: good quality+ good price+ good service=customer's trust
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Where are your Market? | Covering more than 160 countries in the world |
- Q: How does special steel contribute to the automotive suspension spring industry?
- Enhanced performance and durability in the automotive suspension spring industry are provided by special steel, which plays a crucial role. These springs bear the weight of the vehicle and absorb road shocks, ensuring a smooth and comfortable ride for passengers. Also known as alloy steel, special steel is specifically designed to possess exceptional mechanical properties. These include high strength, toughness, and resistance to wear and fatigue. Such properties are vital for suspension springs, as they must endure the constant stresses and strains of vehicle operation. The utilization of special steel in automotive suspension springs allows for the production of lighter yet stronger and more reliable springs compared to traditional steel ones. Consequently, this leads to improved fuel efficiency, reduced vehicle weight, lower emissions, and a more sustainable automotive industry. Moreover, special steel enables suspension springs to maintain their shape and performance over extended periods, even under extreme conditions. This ensures that the vehicle's suspension system remains effective, providing a stable and comfortable driving experience. Additionally, special steel can be customized to meet the specific requirements of different vehicles. This allows for the tailoring of suspension springs based on factors such as vehicle weight, load capacity, and desired ride quality. The flexibility in material properties enhances the overall performance and safety of the suspension system. In summary, special steel is essential in the automotive suspension spring industry as it provides the necessary strength, durability, and performance characteristics for a reliable and efficient suspension system. Its use contributes to the development of lighter, more fuel-efficient vehicles while ensuring passenger comfort and safety.
- Q: What are the different pharmaceutical grades of special steel?
- The pharmaceutical industry requires special steel grades that are designed and produced to meet strict requirements. These grades are used in equipment, instruments, and components that directly interact with pharmaceutical products. The different grades of special steel used in the pharmaceutical industry are as follows: 1. 316L Stainless Steel: This grade is widely used in pharmaceutical applications due to its exceptional corrosion resistance and high purity. It is commonly known as surgical stainless steel and is suitable for parts that need frequent cleaning and sterilization. 2. 304 Stainless Steel: This grade is also commonly used in the pharmaceutical industry because of its corrosion resistance and ease of fabrication. It is suitable for equipment and components that do not require frequent cleaning or sterilization. 3. Duplex Stainless Steel: This grade offers a combination of high strength and corrosion resistance, making it suitable for applications where durability and reliability are crucial. It is often used in pharmaceutical processing equipment that handles aggressive chemicals or high-pressure environments. 4. Hastelloy: Hastelloy is a nickel-based alloy that exhibits superior resistance to corrosion, heat, and chemicals. It is commonly used in pharmaceutical applications where extreme conditions are present, such as in reactors or vessels that handle highly corrosive substances. 5. Titanium: Although not technically steel, titanium is considered a pharmaceutical-grade material due to its excellent biocompatibility and corrosion resistance. It is used in medical implants and devices, as well as in pharmaceutical equipment that comes into contact with sensitive drugs. These special steel grades are carefully chosen based on their specific properties and suitability for pharmaceutical applications. They undergo manufacturing and testing processes to ensure compliance with industry standards and regulations, like Good Manufacturing Practices (GMP) and the United States Pharmacopeia (USP). Utilizing the appropriate steel grade in pharmaceutical manufacturing contributes to product safety, quality, and integrity.
- Q: How does special steel contribute to the strength of products?
- Special steel contributes to the strength of products through its unique composition and manufacturing process. By incorporating specific alloys and heat treatments, special steel enhances the material's durability, toughness, and resistance to wear and corrosion. This increased strength allows products made from special steel to withstand higher loads, pressures, and extreme conditions, making them more reliable and long-lasting.
- Q: How is special steel used in the manufacturing of machinery?
- Special steel is an essential component in the manufacturing of machinery due to its unique properties that make it highly suitable for this purpose. Special steel refers to a category of steel alloys that have been specifically designed and developed to possess exceptional strength, durability, and resistance to wear and tear. In the manufacturing of machinery, special steel is commonly used in various applications. One of the primary uses is in the production of machine components that require high strength and toughness, such as gears, shafts, bearings, and fasteners. These components are subjected to heavy loads, high temperatures, and harsh operating conditions, and therefore, they need to withstand these stresses without failure or deformation. Special steel provides the necessary strength and toughness to ensure the longevity and reliability of these machine parts. Additionally, special steel is also utilized in the manufacturing of cutting tools and dies. Cutting tools, such as drills, milling cutters, and lathe tools, need to have excellent hardness and wear resistance to withstand the forces and abrasion encountered during the machining process. Dies, on the other hand, are used to shape or form materials, and they require high strength and hardness to withstand the repetitive pressure and deformation. Special steel provides the necessary properties to enhance the performance and lifespan of these cutting tools and dies. Furthermore, special steel is often utilized in the construction of machine frames and structural components. The strength and rigidity of special steel make it ideal for supporting heavy loads and maintaining the overall stability of the machinery. By using special steel in the construction of machine frames, manufacturers can ensure the structural integrity and durability of the machinery, which is crucial for safe and efficient operation. Overall, special steel plays a vital role in the manufacturing of machinery by providing the strength, durability, and wear resistance necessary for critical machine components, cutting tools, and structural elements. Its unique properties make it indispensable in the production of high-performance machinery that can withstand the demanding conditions of various industries.
- Q: What are the environmental impacts of manufacturing special steel?
- Manufacturing special steel has significant environmental impacts due to its energy-intensive production process and the extraction of raw materials. The production of special steel requires high temperatures and uses large amounts of fossil fuel-based energy, resulting in substantial greenhouse gas emissions contributing to climate change. Additionally, the extraction of iron ore and other raw materials for steel production can lead to deforestation, habitat destruction, and water pollution. The disposal of steel waste and byproducts also poses challenges, as it can contaminate soil and water sources. Therefore, the environmental impacts of manufacturing special steel must be carefully managed and mitigated through sustainable practices and technologies.
- Q: What are the properties of magnetic stainless steel?
- Magnetic stainless steel is a type of stainless steel that exhibits magnetic properties due to its high iron content. It possesses good corrosion resistance, durability, and high strength, making it suitable for various applications. Additionally, it is easily formable and weldable, allowing for versatility in manufacturing processes.
- Q: What are the different forms of special steel?
- There are several different forms of special steel, including stainless steel, tool steel, high-speed steel, alloy steel, and spring steel. Each form has unique properties and is designed for specific applications in various industries.
- Q: What are the different methods of surface electropolishing for special steel?
- There are several different methods of surface electropolishing for special steel, each with its own unique advantages and applications. 1. Immersion Electropolishing: This method involves immersing the special steel components in an electrolyte bath and passing a direct current through the solution. The current causes the surface of the steel to dissolve, resulting in a smooth and polished finish. Immersion electropolishing is commonly used for large and complex parts, as it can provide uniform surface improvement on all exposed areas. 2. Electrolytic Electropolishing: This technique involves applying a direct current directly to the surface of the special steel component using an electrode. The current causes the surface to dissolve, resulting in a smooth and reflective finish. Electrolytic electropolishing is often preferred for smaller or intricate parts, as it allows for precise control over the process and can target specific areas that require improvement. 3. Reverse Pulse Electropolishing: This method utilizes a combination of direct and reverse current pulses to achieve a superior surface finish. The reverse current pulses help to reduce the surface roughness and eliminate any embedded particles or contaminants. Reverse pulse electropolishing is particularly useful for special steel components that require enhanced corrosion resistance and improved cleanliness. 4. Magnetic Field-Assisted Electropolishing: This technique involves applying a magnetic field to the electropolishing process, which can improve the polishing rate and surface finish. The magnetic field aligns the electrical current and enhances the removal of material, resulting in a smoother and more uniform surface. Magnetic field-assisted electropolishing is often used for special steels that are difficult to polish or have complex geometries. 5. Flow-Assisted Electropolishing: This method involves using a flowing electrolyte solution to enhance the electropolishing process. The flowing solution helps to remove dissolved material from the surface and prevents the formation of gas bubbles, resulting in a smoother and more efficient polishing. Flow-assisted electropolishing is commonly used for large or flat special steel components that require a high-quality surface finish. Overall, the selection of the appropriate method of surface electropolishing for special steel depends on the specific requirements of the components, such as size, geometry, and desired surface finish. Each method offers its own benefits and considerations, and consulting with an experienced electropolishing specialist is recommended to determine the most suitable approach.
- Q: What are the different surface coatings available for special steel?
- There are several different surface coatings available for special steel, including galvanizing, electroplating, powder coating, and thermal spraying. These coatings help to enhance the steel's corrosion resistance, durability, and aesthetic appearance.
- Q: How does special steel contribute to the defense industry?
- Special steel contributes to the defense industry in various ways. Its exceptional strength, durability, and resistance to extreme conditions make it a crucial material for manufacturing components used in military vehicles, aircraft, and naval vessels. Special steel is also used in the production of armor plates and ballistic protection systems, providing enhanced protection to soldiers and military equipment. Additionally, its corrosion resistance properties make it ideal for constructing submarines, missiles, and other critical defense infrastructure. In summary, special steel plays a vital role in ensuring the reliability, performance, and safety of defense equipment, making it an indispensable asset for the defense industry.
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Grade AISI 4140 _42CrMo4 Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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