Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
Product Description of Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
1. Steel grade: 20MnCr5
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
Material | 20CrMnTi | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
C | Si | Mn | Cr | Ni | Cu |
0.42~0.47 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.30 | ≤0.25 |
Photo Show of Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
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?
CNBM is 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?
CNBM provides 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: What is the standard length of a steel round bar?
- The standard length of a steel round bar varies depending on the manufacturer and the specific application. However, common standard lengths range from 6 to 12 feet (1.8 to 3.6 meters).
- Q: Can steel round bars be used in the production of springs?
- Yes, steel round bars can be used in the production of springs. Steel is a common material used in the manufacturing of springs due to its high strength and durability. Steel round bars are often used to create the base material for springs, as they can be easily shaped and formed into the desired spring shape. Additionally, steel round bars can be heat-treated to enhance their mechanical properties, making them suitable for various spring applications. The specific type of steel used will depend on the desired characteristics and requirements of the spring, such as the desired level of flexibility and resistance to deformation. Overall, steel round bars are widely utilized in the production of springs due to their excellent mechanical properties, making them a suitable choice for many spring applications.
- Q: What are the advantages of using high-speed steel round bars?
- Using HSS round bars in various applications offers several advantages. Firstly, their exceptional hardness and wear resistance make them perfect for high-speed and high-temperature cutting, shaping, and machining operations. HSS round bars can withstand the heat generated in these processes without losing hardness or dulling quickly. This results in improved tool life and reduced downtime for tool changes. Secondly, HSS round bars possess excellent strength and toughness properties, enabling them to handle heavy loads and resist deformation, even in demanding applications. Their strength and toughness make them suitable for industries like aerospace, automotive, and manufacturing, where precision and reliability are crucial. Thirdly, HSS round bars provide superior cutting performance. Due to their high hardness, they retain a sharp cutting edge for a long time. This ensures efficient and precise cutting, minimizing inaccuracies or errors in the workpiece. The sharp cutting edge also contributes to improved surface finish and dimensional accuracy. Additionally, HSS round bars have good thermal conductivity, meaning they efficiently dissipate heat generated during cutting or machining operations. This prevents overheating, which can cause premature tool failure or damage. The ability to manage heat buildup helps maintain the integrity of the tool and extends its lifespan. Lastly, HSS round bars are readily available and cost-effective compared to other high-performance tool materials like carbide. This makes them a popular choice, especially in industries where cost considerations are significant. In conclusion, the advantages of using HSS round bars include exceptional hardness and wear resistance, excellent strength and toughness, superior cutting performance, good thermal conductivity, and cost-effectiveness. These advantages make HSS round bars the preferred choice for professionals and industries that require reliable and efficient cutting and machining tools.
- Q: Can steel round bars be used in the hydraulic industry?
- Certainly, the hydraulic industry can make use of steel round bars. Renowned for their robustness, endurance, and immunity to corrosion, steel round bars prove to be ideal for a wide range of applications within the hydraulic industry. They find utility in the production of hydraulic cylinders, pistons, and other components necessitating exceptional tensile strength and dependability. Moreover, steel round bars can be conveniently machined and fashioned into diverse dimensions and specifications, ensuring they align with the precise requirements of hydraulic systems. In essence, owing to their exceptional mechanical characteristics and adaptability, steel round bars remain a favored choice in the hydraulic industry.
- Q: What is the thermal conductivity of a steel round bar?
- The thermal conductivity of a steel round bar may differ based on the particular steel type and composition. In general, carbon steel exhibits a thermal conductivity range of 26 to 48 W/m·K, whereas stainless steel typically has a slightly lower thermal conductivity of 15 to 27 W/m·K. Nevertheless, these values are only approximations and can be influenced by factors including temperature, impurities, and alloying elements. It is worth noting that thermal conductivity describes a material's capacity to conduct heat and is commonly measured in units of W/m·K.
- Q: Can steel round bars be customized or fabricated?
- Yes, steel round bars can be customized or fabricated according to specific requirements. This can involve cutting, bending, drilling, welding, or other processes to achieve the desired shape, size, or design.
- Q: What are the advantages of using copper-alloy steel round bars?
- There are several advantages of using copper-alloy steel round bars in various applications. Firstly, copper-alloy steel round bars offer excellent corrosion resistance. The presence of copper in the alloy helps to protect the steel from rust and corrosion, making it suitable for use in environments with high levels of moisture or chemicals. This corrosion resistance extends the lifespan of the round bars, reducing the need for frequent replacements and maintenance. Secondly, copper-alloy steel round bars have high thermal and electrical conductivity. The copper content in the alloy enhances these properties, making them ideal for applications that require efficient heat transfer or electrical conductivity. This makes them suitable for use in electrical components, heat exchangers, and other similar applications. Another advantage of copper-alloy steel round bars is their superior machinability. Copper has excellent machinability properties, which allows for easy cutting, drilling, and shaping of the round bars. This makes them easier to work with and reduces machining time and costs. Additionally, copper-alloy steel round bars offer good strength and toughness. The steel component in the alloy provides the necessary strength to withstand heavy loads and impacts, while the copper component enhances the toughness, making them resistant to cracking or breaking under stress. This makes them suitable for use in structural applications, where high strength and durability are required. Furthermore, copper-alloy steel round bars exhibit good thermal stability. They can withstand high temperatures without losing their mechanical properties, making them suitable for applications that involve exposure to extreme heat or thermal cycling. In conclusion, the advantages of using copper-alloy steel round bars include excellent corrosion resistance, high thermal and electrical conductivity, superior machinability, good strength and toughness, and high thermal stability. These properties make them a preferred choice in various industries, including construction, electrical, automotive, and manufacturing.
- Q: Can steel round bars be hardened or tempered?
- Yes, steel round bars can be hardened or tempered. Hardening is a heat treatment process that involves heating the steel to a specific temperature and then rapidly cooling it, typically by quenching it in water or oil. This process increases the hardness and strength of the steel, making it more resistant to wear and deformation. Tempering, on the other hand, is a heat treatment process that involves reheating the hardened steel to a lower temperature and then cooling it slowly. This process reduces the brittleness of the steel and improves its toughness and ductility. Both hardening and tempering can be done on steel round bars to achieve specific mechanical properties desired for various applications.
- Q: What is the weight of a steel round bar?
- The weight of a steel round bar depends on its dimensions, specifically its diameter and length. To calculate the weight, you can use the formula: weight = volume × density. To find the volume of the steel round bar, you can use the formula for the volume of a cylinder: volume = π × (diameter/2)^2 × length, where π is a mathematical constant approximately equal to 3.14159. The density of steel varies depending on the type and grade, but it is typically around 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). By substituting the appropriate values into the formula, you can calculate the weight of the steel round bar in the desired unit (grams, kilograms, pounds, etc.).
- Q: How are steel round bars used in the construction of high-rise buildings?
- Steel round bars are commonly used in the construction of high-rise buildings due to their strength, durability, and versatility. These bars are typically made of carbon steel, which has excellent mechanical properties and can withstand high loads and pressures. In the construction of high-rise buildings, steel round bars are primarily used in reinforced concrete structures. They are commonly used as reinforcement in concrete beams, columns, and slabs. The bars are embedded in the concrete to provide additional strength and stiffness to the overall structure. One of the main advantages of using steel round bars is their ability to resist tension forces. Concrete is strong in compression but weak in tension, so the steel bars act as tension reinforcement, preventing the concrete from cracking or failing under tension loads. This helps to enhance the structural integrity and overall safety of the building. Additionally, steel round bars can be easily bent, shaped, and welded, allowing for flexible design and construction possibilities. They can be customized to specific lengths and diameters to suit the requirements of the building project. This versatility makes them ideal for constructing various structural elements, such as beams and columns, which need to be precisely engineered to support the weight and stresses of a high-rise building. Moreover, steel round bars have excellent resistance to corrosion, which is crucial in the construction of high-rise buildings that are exposed to various environmental elements. The corrosion-resistant properties of steel ensure the long-term durability and lifespan of the structure. Overall, steel round bars play a vital role in the construction of high-rise buildings by providing strength, durability, and flexibility to the reinforced concrete structures. They enhance the overall structural integrity, safety, and longevity of the building, making them an essential component in modern construction practices.
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Gear Steel Round Bars SCM420H SCM440H SCr420H 20MnCr5
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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