AISI SAE4140 Alloy Structural Steel Round Bar SCM440
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
AISI SAE4140 Alloy Structural Steel Round Bar SCM440
1 Standards and Chemical Composition:
GB-China | AISI-America | DIN-Germany | JIS-Japan |
42CrMo | 4140 | 1.7225 42CrMo4 | SCM440 |
Grade | C | Si | Mn | P | S | Cr | Mo |
SAE4140 | 0.38/0.43 | 0.15/0.35 | 0.75/1.00 | ≤0.035 | ≤0.035 | 0.80/1.10 | 0.15/0.25 |
2 Mechanical Property:
Strength of extension | 1080MPA |
Yield point | 930MPA |
Elongation | 12% |
Contractibility rate | 45% |
Impacting energy | 63J |
3 Brief Introduction:
Dimension | 14-350mm |
Length | 2-13m or as per your request |
Delivery condition | Hot rolled |
Heat Treatment | Normalizing, Annealing, Quenching |
Packing | Standard seaworthy packing or according to your requirements |
FAQ
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
We are a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
We provide the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: Can steel round bars be used for making connecting rods?
- Certainly, connecting rods can be crafted using steel round bars. These rods play a crucial role in internal combustion engines, necessitating robustness and endurance to endure the engine's operational forces and stresses. Steel round bars, often composed of alloy steel, exhibit exceptional mechanical traits, including elevated tensile strength, hardness, and resistance to fatigue. Consequently, they prove suitable for this purpose. Additionally, steel round bars can be conveniently machined and molded into the necessary dimensions and specifications demanded by connecting rods. As a result, employing steel round bars emerges as a widespread and dependable option for fabricating connecting rods in industries such as automotive and others.
- Q: How do steel round bars perform under cyclic loading?
- Steel round bars generally perform well under cyclic loading due to their high strength and ductility. The ability of steel to withstand repeated loading and unloading without significant deformation or failure makes it suitable for applications where cyclic loading is present, such as in structural engineering, automotive components, and machinery. However, the performance of steel round bars under cyclic loading also depends on factors like the quality of the steel, design considerations, and the magnitude and frequency of the cyclic loading.
- Q: What is the typical price range for steel round bars?
- The cost of steel round bars can differ based on several factors, including size, quality, and source of purchase. Generally, smaller diameter bars can be priced between $10 and $30 per bar, while larger ones can range from $30 to $100 or higher. The steel's quality, including its grade and any additional treatments or finishes, can influence the price. Moreover, the price range can be affected by the location or supplier from which the bars are bought. To obtain the best possible deal, it is advisable to compare prices from multiple sources and consider factors like shipping costs.
- Q: What is the difference between a rough turned and a polished steel round bar?
- A rough turned steel round bar has undergone a preliminary machining process that removes surface imperfections and excess material, providing a slightly smoother finish. On the other hand, a polished steel round bar has undergone further polishing or grinding processes to achieve a much smoother and aesthetically appealing surface finish.
- Q: What are the advantages of using alloy steel round bars?
- Alloy steel round bars offer numerous benefits. Firstly, they possess superior strength and durability, surpassing regular steel bars. This quality is particularly advantageous in industries like construction, automotive, and aerospace, where high strength and toughness are crucial. The inclusion of alloying elements enhances their mechanical properties, making them highly resistant to wear, impact, and corrosion. Moreover, alloy steel round bars exhibit exceptional heat resistance. They can endure high temperatures without compromising their strength, making them suitable for environments like furnaces, boilers, and heat exchangers. This attribute extends their service life and reduces the need for frequent replacements. Another advantage lies in the versatility of alloy steel round bars. They can be easily machined, forged, or welded, providing flexibility in design and manufacturing processes. Their ability to be customized to meet specific requirements makes them suitable for a wide range of applications. Additionally, alloy steel round bars maintain good dimensional stability. Even under extreme conditions, they retain their shape and size, ensuring precise and accurate performance. This characteristic is particularly valuable in industries that demand tight tolerances, such as precision engineering and manufacturing. Lastly, alloy steel round bars prove to be cost-effective in the long term. Although they may have a higher initial cost compared to regular steel bars, their enhanced properties and extended service life result in reduced maintenance and replacement expenses. This makes them a more economical choice over time. In conclusion, the benefits of utilizing alloy steel round bars include superior strength and durability, excellent heat resistance, versatility in machining and fabrication, good dimensional stability, and long-term cost-effectiveness. These advantages make them the preferred option in various industries that require high-performance materials.
- Q: What are the advantages of using aluminum-magnesium alloy steel round bars?
- Aluminum-magnesium alloy steel round bars offer several benefits: 1. Lightweight: With its lower density compared to traditional steel, aluminum-magnesium alloy steel is a lightweight material. This is advantageous in industries like aerospace and automotive where weight reduction is crucial. It improves fuel efficiency and increases payload capacity. 2. Corrosion resistance: Aluminum-magnesium alloy steel has excellent resistance to corrosion. The addition of magnesium enhances its ability to withstand harsh environments, including moisture, chemicals, and saltwater. It is ideal for marine applications and areas with high humidity or corrosive atmospheres. 3. High strength-to-weight ratio: Despite being lightweight, aluminum-magnesium alloy steel is highly strong. It offers a superior strength-to-weight ratio compared to other materials, allowing for the construction of durable structures. This is valuable in applications like construction where both strength and weight are important factors. 4. Excellent machinability: Aluminum-magnesium alloy steel is easy to machine, making it suitable for a variety of fabrication processes. It can be cut, drilled, and welded with ease, enabling efficient manufacturing and assembly. This saves time and costs while allowing for complex designs and customization. 5. Thermal conductivity: Aluminum-magnesium alloy steel has excellent thermal conductivity, facilitating efficient heat transfer. This property is valuable in applications such as heat exchangers, cooling systems, and electrical conductors. It prevents overheating and improves overall performance. 6. Recyclability: Aluminum-magnesium alloy steel is highly recyclable, making it an environmentally friendly choice. It can be melted down and reused, reducing the need for raw materials and minimizing waste. Recycling aluminum-magnesium alloy steel requires less energy compared to primary production, making it a sustainable option. In conclusion, the advantages of aluminum-magnesium alloy steel round bars make it a versatile and cost-effective material for various applications. Its lightweight nature, corrosion resistance, high strength-to-weight ratio, excellent machinability, thermal conductivity, and recyclability make it a preferred choice in industries where these properties are essential.
- Q: Can steel round bars be used in structural applications?
- Steel round bars are suitable for structural applications and commonly utilized in construction and engineering projects that prioritize strength and durability. They offer versatility and can function as beams, columns, and supports for various structural elements. Thanks to their exceptional mechanical properties, such as high tensile strength and good ductility, they can withstand heavy loads and resist deformation effectively. Moreover, their easy joinability to other structural components contributes to their popularity within the construction industry.
- Q: Can steel round bars be used in the manufacturing of power transmission components?
- Yes, steel round bars can be used in the manufacturing of power transmission components. Steel round bars are commonly used in the production of various mechanical and structural components due to their high strength, durability, and versatility. In power transmission systems, components such as shafts, gears, couplings, and spindles are often manufactured using steel round bars. The hardness and toughness of steel make it suitable for withstanding high levels of stress and torque, which are common in power transmission applications. Additionally, steel round bars can be machined and forged into different shapes and sizes, allowing for customization and precise engineering of power transmission components. Overall, steel round bars offer the necessary mechanical properties required for efficient and reliable power transmission in various industries.
- Q: Can steel round bars be used for making musical instruments?
- Musical instruments can indeed be made using steel round bars. Steel is an incredibly versatile material, known for its outstanding strength and durability. This makes it highly suitable for a wide range of applications, including the creation of musical instruments. Steel round bars can be utilized in the fabrication of various musical instrument components, such as strings, rods, and even the principal body of certain instruments. The precise type and grade of steel utilized will ultimately depend on the specific instrument and the desired sound quality. For instance, steel bars are commonly employed in percussion instruments like xylophones or vibraphones, as they generate diverse pitches and tones. Furthermore, steel round bars can be employed in the production of components for wind instruments, including saxophones and trumpets. Nevertheless, it is important to note that selecting the appropriate material for musical instruments is often a complex process. Factors such as resonance, tonal quality, and playability must all be carefully considered. While steel round bars can be utilized, other materials like brass, wood, or even synthetic substances may be preferred for certain instruments in order to achieve the desired sound characteristics.
- Q: Are steel round bars suitable for marine applications?
- Yes, steel round bars are suitable for marine applications. Steel is known for its strength, durability, and corrosion resistance, making it a popular choice for various marine applications. Steel round bars are commonly used in the construction of marine structures, such as shipbuilding, offshore platforms, and marine equipment. The high tensile strength of steel allows it to withstand the harsh conditions of the marine environment, including the corrosive effects of saltwater. Additionally, steel can be easily fabricated and welded, making it a versatile material for marine applications. However, it is important to consider the specific requirements of the marine application and choose the appropriate type of steel round bar. Duplex stainless steel, for example, offers superior corrosion resistance compared to standard carbon steels and is often preferred for marine applications. It is also crucial to apply proper maintenance and protective coatings to ensure the longevity and performance of steel round bars in marine environments. Overall, steel round bars are a suitable choice for marine applications due to their strength, durability, and corrosion resistance. However, it is essential to select the right type of steel and implement proper maintenance practices to ensure optimal performance in the marine environment.
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AISI SAE4140 Alloy Structural Steel Round Bar SCM440
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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