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
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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: Are steel round bars resistant to corrosion?
- Yes, steel round bars are generally resistant to corrosion due to their composition which includes a significant amount of chromium. This chromium forms a protective layer on the surface of the steel, preventing rust and corrosion. However, the resistance to corrosion may vary depending on the specific grade and environment in which the steel round bars are exposed.
- Q: How do you calculate the shear strength of a steel round bar?
- In order to calculate the shear strength of a steel round bar, two pieces of information are required: the diameter of the bar and the shear modulus of the material. The shear strength is determined by dividing the maximum load that the bar can endure before shearing by its cross-sectional area. The shear strength can be calculated using the following formula: Shear Strength = Maximum Load / Cross-sectional Area To find the cross-sectional area, it is necessary to calculate the area of a circle using the diameter of the round bar. The formula for the area of a circle is as follows: Area = π * (Diameter/2)^2 Once the maximum load and cross-sectional area are known, these values can be substituted into the shear strength formula to determine the shear strength of the steel round bar. It is important to emphasize that the shear modulus is a crucial factor in the calculation process. The shear modulus indicates the material's resistance to deformation and measures the amount of shear stress that the material can withstand before it begins to deform. The shear modulus value can be obtained from reference materials or technical specifications provided by the manufacturer.
- Q: What are the advantages of using mild steel round bars?
- There are several advantages of using mild steel round bars in various applications. Firstly, mild steel round bars have excellent strength and durability. They are able to withstand high amounts of stress and pressure, making them suitable for use in construction, manufacturing, and engineering projects. The strength of mild steel round bars ensures that they do not easily deform or break under heavy loads, providing a reliable and long-lasting solution. Secondly, mild steel round bars have good weldability. They can be easily joined or attached to other materials through welding, making them versatile in different applications. This allows for easy customization and flexibility in design, as the bars can be shaped and connected to create complex structures or components. Additionally, mild steel round bars have a low carbon content, making them more cost-effective compared to other types of steel. They are readily available and affordable, making them a popular choice in various industries. Moreover, mild steel round bars have good machinability. They can be easily cut, drilled, and shaped using common machining techniques, allowing for easy fabrication and customization. This makes them suitable for a wide range of applications, from construction to automotive components. Lastly, mild steel round bars have good corrosion resistance. While they may not be as corrosion-resistant as stainless steel, they still offer adequate protection against rust and other forms of corrosion. This makes them suitable for outdoor applications or environments with high humidity or exposure to moisture. In summary, the advantages of using mild steel round bars include their excellent strength and durability, good weldability, cost-effectiveness, machinability, and corrosion resistance. These factors make them a reliable and versatile choice for various industrial and construction applications.
- Q: How to make the round welds on flat steel flat and qualified?
- It is required that the current is suitable and the bar is stable. If required, the groove can be turned on the round steel to ensure that the welding is beautiful and qualified
- Q: What are the advantages of using steel round bars in construction?
- There are several advantages of using steel round bars in construction. Firstly, steel round bars offer exceptional strength and durability, making them ideal for supporting heavy loads and withstanding harsh weather conditions. Secondly, they are highly resistant to corrosion, ensuring long-lasting and low-maintenance structures. Additionally, steel round bars can be easily customized and shaped to fit various construction needs, allowing for flexibility in design. Lastly, steel round bars are readily available and cost-effective, making them a preferred choice for construction projects.
- Q: What are the chemical composition requirements for steel round bars?
- The chemical composition requirements for steel round bars generally include a specific range of elements such as carbon, manganese, phosphorus, sulfur, silicon, and sometimes additional elements like chromium, nickel, and molybdenum. These requirements are defined by various international standards and specifications, ensuring the desired mechanical properties and performance of the steel.
- Q: Can steel round bars be machined easily?
- Yes, steel round bars can be machined easily due to their excellent machinability properties.
- Q: What are the advantages of using vanadium-alloy steel round bars?
- Vanadium-alloy steel round bars offer numerous benefits. Firstly, they possess significantly enhanced strength and toughness compared to regular steel, making them ideal for applications requiring durability and high strength, such as construction, manufacturing, and engineering projects. The inclusion of vanadium improves the steel's ability to withstand heavy loads, impacts, and extreme temperatures, enabling it to thrive in demanding environments. Secondly, vanadium-alloy steel round bars display exceptional resistance to corrosion. The vanadium creates a protective oxide layer on the steel's surface, preventing rusting and corrosion. Consequently, these bars have impressive longevity, even in harsh or corrosive surroundings. Moreover, vanadium-alloy steel exhibits excellent weldability and machinability. It can be effortlessly welded, facilitating efficient fabrication and construction processes. Additionally, its machinability allows for precise shaping and forming, making it adaptable to various design requirements. Furthermore, vanadium-alloy steel excels in wear resistance. This quality is particularly advantageous in applications where the bars face high levels of friction, abrasion, or wear, such as mining or manufacturing equipment. The addition of vanadium enhances the steel's hardness and wear resistance, thereby extending the lifespan of the bars and reducing maintenance costs. Lastly, vanadium-alloy steel demonstrates exceptional heat resistance. It can endure high temperatures without compromising its strength or structural integrity. Consequently, it is suitable for applications involving exposure to extreme heat, such as automotive engines, turbines, or power generation equipment. In conclusion, the utilization of vanadium-alloy steel round bars provides a range of advantages, including increased strength and toughness, corrosion resistance, ease of welding and machining, impressive wear resistance, and high heat resistance. These qualities establish vanadium-alloy steel round bars as a dependable and versatile choice for various applications.
- Q: Can steel round bars be used in the mining industry?
- Yes, steel round bars can be used in the mining industry. Steel round bars are commonly used in various mining applications due to their strength, durability, and resistance to corrosion. They are used in the construction of mining equipment, such as crushers, conveyors, and drill rods. Steel round bars are also utilized in the production of support structures, such as mine shafts and tunnels, as well as in the fabrication of drilling tools and machinery. Their versatility and high tensile strength make them an ideal choice for the demanding and harsh conditions often encountered in the mining industry.
- Q: How do you cut steel round bars?
- Steel round bars can be cut using various methods such as sawing, shearing, or using a cutting torch. Sawing involves using a bandsaw or a hacksaw to cut through the bar, while shearing uses a hydraulic or mechanical shear to trim the bar. Alternatively, a cutting torch can be used to melt through the steel, creating a clean cut. The choice of method depends on the thickness and size of the round bar, as well as the desired precision and efficiency of the cut.
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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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