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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Item specifice
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 in the manufacturing of cylinders?
- Certainly, cylinders can be manufactured using steel round bars. Steel round bars are widely utilized across industries such as automotive, aerospace, and manufacturing owing to their exceptional strength and durability. When it comes to constructing the cylindrical body of a cylinder, steel round bars serve as an ideal material choice. The steel round bars can be shaped through machining, forging, or rolling, and subsequently joined together through welding or fastening to create the cylindrical structure. By employing steel round bars, the resulting construction guarantees robustness and stability, both of which are crucial for the secure and effective operation of cylinders in diverse applications.
- Q:Can steel round bars be used in the manufacturing of heat exchangers?
- Heat exchangers can indeed utilize steel round bars in their manufacturing process. Due to its exceptional strength and thermal conductivity, steel is frequently employed in the construction of heat exchangers. By shaping and welding steel round bars, a range of sizes and forms can be achieved, enabling the creation of crucial heat exchanger elements like tubes, headers, and baffles. Furthermore, the durability and corrosion resistance of steel make it an ideal choice for numerous industrial applications that demand efficient heat transfer.
- Q:Can steel round bars be used in the manufacturing of electrical components?
- Yes, steel round bars can be used in the manufacturing of electrical components. Steel is a versatile material that offers excellent strength and durability, making it suitable for various applications, including the production of electrical components. Steel round bars can be used as connectors, terminals, or brackets in electrical devices and equipment. They provide stability, support, and protection to the electrical components, ensuring their proper functioning and longevity. Additionally, steel can be easily machined, welded, and shaped, allowing manufacturers to customize the round bars according to the specific requirements of the electrical components. However, it is important to note that steel round bars may need to be properly insulated or coated to prevent any electrical conductivity or interference, depending on the specific application and environment in which they are used.
- Q:Can steel round bars be used in the shipbuilding industry?
- Steel round bars have a wide range of applications in the shipbuilding industry. They are commonly used for constructing hulls, decks, bulkheads, and other structural components. The reason for their popularity lies in their exceptional strength, durability, and resistance to corrosion, which makes them well-suited for withstanding the harsh marine environment. In terms of fabrication, steel round bars can be easily welded, machined, and formed according to desired shapes, offering flexibility in ship construction. Furthermore, their availability in various sizes and grades allows for customization to meet specific shipbuilding requirements. Ultimately, steel round bars play a vital role in the shipbuilding industry due to their robustness and reliability.
- Q:The 8 thread can replace the beam stirrups by steel
- First class steel is HPB235, that is, yield strength is 235mpa, elongation of grade steel is much larger than grade two steel, and the scientific name of grade two steel is HRB335, that is, yield strength is 335mpa, and grade two steel is higher than first grade steel. But also a high level of brittle than steel, as in seismic zone two structure beam is not replaced.
- Q:What are the advantages of using heat-resistant steel round bars?
- There are several advantages of using heat-resistant steel round bars. Firstly, heat-resistant steel round bars are specifically designed to withstand high temperatures without losing their mechanical properties. This means they can maintain their strength and structural integrity even in extreme heat conditions. Secondly, heat-resistant steel round bars have excellent corrosion resistance. This makes them highly durable and suitable for use in environments where they may be exposed to corrosive substances or chemicals. Their resistance to corrosion ensures a longer lifespan and reduces the need for frequent maintenance or replacement. Additionally, heat-resistant steel round bars have superior thermal conductivity. This property allows them to efficiently transfer heat, which can be beneficial in various applications. For example, in industries like power generation or petrochemicals, where heat transfer is crucial, using heat-resistant steel round bars ensures optimal performance and energy efficiency. Furthermore, heat-resistant steel round bars offer excellent dimensional stability. Even when subjected to high temperatures, they maintain their shape and size without warping or deforming. This property is particularly important in applications where precise measurements and tight tolerances are required. Lastly, heat-resistant steel round bars are readily available in various sizes and grades, offering versatility in their applications. They can be used in a wide range of industries such as aerospace, automotive, construction, and manufacturing, where high temperatures are involved. In conclusion, the advantages of using heat-resistant steel round bars include their ability to withstand high temperatures, excellent corrosion resistance, superior thermal conductivity, dimensional stability, and versatility in applications. These benefits make them an ideal choice for industries requiring materials that can perform reliably under extreme heat conditions.
- Q:Can steel round bars be used for pump shaft applications?
- Indeed, pump shaft applications can make effective use of steel round bars. The prevalence of steel round bars in pump shafts can be attributed to their exceptional strength, durability, and resistance against corrosion. Considering the high torsional loads pump shafts face and the necessity to endure the strains of rotating machinery, steel round bars provide the essential mechanical attributes to withstand these circumstances, rendering them an apt selection for pump shaft applications. Moreover, the adaptability of steel permits diverse heat treatments and surface finishes to amplify its efficiency and longevity in pump shafts.
- Q:How are steel round bars used in the manufacturing of mining equipment?
- Steel round bars are an essential component in the manufacturing of mining equipment due to their strength, durability, and versatility. These bars are used in various applications throughout the mining industry, ensuring the reliability and longevity of the equipment. One of the primary uses of steel round bars in mining equipment is for the construction of frames and structural components. The bars provide the necessary structural support, ensuring the overall stability and robustness of the equipment. Whether it is for excavators, drilling rigs, or conveyor systems, steel round bars play a crucial role in maintaining the integrity of the machinery. Moreover, steel round bars are commonly utilized in the manufacturing of mining tools and attachments. These bars can be machined and shaped into different forms, such as shafts, pins, and bolts, which are vital for various mining operations. For example, drill bits used for drilling into rock formations are often made with steel round bars due to their ability to withstand high-pressure conditions. In addition, steel round bars are essential for the fabrication of wear-resistant components in mining equipment. The harsh environments in mining, including abrasive materials and extreme temperatures, necessitate the use of durable materials. Steel round bars with specific alloys and heat treatments can be employed to create wear-resistant parts like cutting edges, teeth, and buckets for excavators, ensuring their longevity and performance. Furthermore, steel round bars are also utilized in the production of support structures and safety features in mining equipment. These bars can be used to create roll cages, protective frames, and guardrails, providing a safe working environment for operators and minimizing the risk of accidents. Overall, steel round bars are a vital component in the manufacturing of mining equipment, contributing to their strength, reliability, and performance. Their use in construction, tool fabrication, wear-resistant components, and safety features ensures the durability and efficiency of mining machinery, enabling the industry to operate effectively and safely.
- Q:What are the common sizes of steel round bars?
- The specific application and industry standards determine the varying common sizes of steel round bars. Depending on these factors, the sizes can range from 1/4 inch to 24 inches in diameter. The availability of these sizes is often in increments of 1/8 inch or 1/4 inch. It is worth noting that the sizes may differ based on the country or region. Moreover, metric sizes are also an option, with diameters generally ranging from 6mm to 600mm. The extensive selection of steel round bar sizes enables a wide range of applications across different industries.
- Q:What is the difference between a smooth and a precision ground steel round bar?
- A smooth steel round bar has a surface that is free from any roughness or irregularities, providing a polished and sleek appearance. On the other hand, a precision ground steel round bar undergoes a specialized grinding process to achieve tight tolerances and a high degree of accuracy in its dimensions. This precision grinding ensures that the bar has consistent diameter and smoothness throughout its length, making it suitable for applications that require precise measurements and tight fits.
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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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