Hot Dip Galvanized Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Hot Dip Galvanized Steel Round Bars
Product Description of Hot Dip Galvanized Steel Round Bars
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
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 Hot Dip Galvanized Steel Round Bars
Material | SCM4140 | 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 Hot Dip Galvanized Steel Round Bars
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of Hot Dip Galvanized Steel Round Bars
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Hot Dip Galvanized Steel Round Bars
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 suitable for the production of fasteners?
- Yes, steel round bars are suitable for the production of fasteners. Steel is a strong and durable material, making it ideal for fasteners that require high strength and stability. The cylindrical shape of round bars allows for easy machining and shaping into various types of fasteners such as bolts, screws, and studs. Additionally, steel round bars can be heat-treated to enhance their mechanical properties, making them even more suitable for use in fasteners.
- Q: How are steel round bars classified based on their shape?
- Steel round bars are classified based on their shape into two main categories: hot-rolled round bars and cold-drawn round bars. Hot-rolled round bars are made by heating a steel billet until it becomes malleable and then passing it through a series of rollers to achieve the desired shape. This process results in a rougher surface texture and a slightly larger diameter compared to cold-drawn round bars. Hot-rolled round bars are commonly used in construction, engineering, and manufacturing applications where strength and durability are important. On the other hand, cold-drawn round bars are made by pulling a hot-rolled round bar through a series of dies at room temperature. This process improves the dimensional accuracy, surface finish, and mechanical properties of the steel. Cold-drawn round bars have a smoother surface texture and a more precise diameter, making them suitable for applications that require tight tolerances, such as precision machining, automotive components, and shafts for machinery. In summary, the classification of steel round bars based on their shape is determined by the manufacturing process used. Hot-rolled round bars are rougher and slightly larger in diameter, while cold-drawn round bars have a smoother surface texture and more precise dimensions. The choice between these two categories depends on the specific requirements of the application.
- Q: How do steel round bars compare to ceramic round bars?
- The properties and applications of steel round bars and ceramic round bars differ significantly. Steel round bars exhibit exceptional strength and durability due to their composition of iron and carbon alloys, along with additional elements like manganese, chromium, and nickel. They possess high resistance to deformation, can withstand high temperatures, and have impressive tensile strength. As a result, steel round bars find common use in construction, manufacturing, and engineering industries where strength and reliability are vital. Their versatility allows for easy machining and shaping into various forms. On the contrary, ceramic round bars consist of non-metallic materials such as clay, porcelain, or glass. Ceramics offer distinct properties, including heat resistance, corrosion resistance, and wear resistance. Additionally, they are chemically inert and exhibit excellent electrical insulation capabilities. Ceramic round bars are frequently employed in industries that demand high-temperature resistance, chemical resistance, or electrical insulation, such as aerospace or electronic component manufacturing. When comparing steel round bars to ceramic round bars, it is crucial to consider the specific requirements of the application at hand. Steel round bars are preferred for heavy-duty uses where mechanical stress and load-bearing capabilities are essential, owing to their exceptional strength and toughness. Conversely, ceramic round bars are often chosen for their resistance to heat, chemicals, and electrical insulation properties, which play a crucial role in specialized industries. In conclusion, steel round bars and ceramic round bars possess distinct properties and are suitable for diverse applications. Steel round bars excel in heavy-duty uses, owing to their strength and durability, while ceramic round bars are particularly valuable in applications requiring high-temperature resistance, chemical resistance, and electrical insulation.
- Q: Can steel round bars be bent or formed?
- Yes, steel round bars can be bent or formed. The ability of steel round bars to be bent or formed depends on various factors such as the type of steel, the diameter and thickness of the bar, and the method used for bending or forming. Steel round bars can be bent or formed using different techniques, including hot bending, cold bending, and mechanical bending. Hot bending involves heating the steel round bar to a specific temperature and then bending it into the desired shape. Cold bending, on the other hand, does not require heating and can be done using hydraulic or manual bending machines. Mechanical bending involves the use of specialized machinery to apply force and bend the steel round bar. However, it is important to note that excessive bending or forming can weaken the steel round bar and affect its structural integrity. Therefore, it is crucial to follow proper bending and forming techniques and consider the limitations and specifications provided by the manufacturer or industry standards.
- Q: What is the Young's modulus of a steel round bar?
- The Young's modulus of a steel round bar is a measure of its stiffness or elasticity. It is a material property that determines how much a material deforms under a given load and is defined as the ratio of stress to strain. For steel, the Young's modulus typically ranges from 190 to 210 gigapascals (GPa). This means that for every unit of stress applied to the steel round bar, the strain experienced by the bar is approximately 190 to 210 times greater. The actual Young's modulus of a specific steel round bar may vary depending on various factors such as the specific grade of steel, its composition, and any heat treatment it has undergone. Therefore, it is important to consult the relevant material specifications or conduct specific testing to determine the exact Young's modulus for a particular steel round bar.
- Q: How are steel round bars priced?
- Steel round bars are typically priced based on several factors. One of the key factors is the cost of raw materials, which includes the cost of steel billets or ingots used to produce the round bars. The price of these raw materials can fluctuate based on market conditions, such as supply and demand dynamics and changes in input costs. Another factor that influences the pricing of steel round bars is the manufacturing process involved. The cost of transforming raw materials into finished round bars includes expenses such as energy consumption, labor costs, and equipment maintenance. These costs can vary depending on the complexity of the manufacturing process and the efficiency of the production facilities. Market conditions also play a significant role in determining the pricing of steel round bars. Factors such as global economic trends, industry demand, and competition among suppliers can impact the market price. If there is high demand for steel round bars, manufacturers may be able to charge a premium price. Conversely, during periods of oversupply, prices may be lower as suppliers compete for customers. Additionally, the size, grade, and quality of the steel round bars can affect the pricing. Larger diameter bars or specialty grades that require additional processing steps or high-quality raw materials may be priced higher than standard sizes or lower-grade bars. Finally, transportation costs and logistics can also influence the pricing of steel round bars. Shipping distances, freight rates, and any additional handling fees can add to the overall cost of the product. In summary, the pricing of steel round bars is influenced by the cost of raw materials, the manufacturing process, market conditions, the size and grade of the bars, and transportation costs. Understanding these factors can help buyers and sellers negotiate fair prices for steel round bars.
- 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: Can steel round bars be used in food processing applications?
- No, steel round bars are not suitable for food processing applications as they can corrode and contaminate the food. Stainless steel is typically used in such applications due to its corrosion resistance and hygienic properties.
- Q: Can steel round bars be used in the manufacturing of architectural features?
- Yes, steel round bars can certainly be used in the manufacturing of architectural features. Steel is a versatile and durable material that can be shaped and formed into various architectural elements such as columns, beams, handrails, and decorative features. Its strength and resistance to corrosion make it suitable for both structural and decorative purposes in the construction of buildings and other architectural designs.
- Q: What are the different types of steel round bar surface finishes used in the aerospace industry?
- In the aerospace industry, there are several types of steel round bar surface finishes commonly used. These include: 1. Smooth Finish: This is a standard surface finish that is achieved through machining or grinding processes. It provides a smooth and polished surface, ensuring minimal friction and wear. 2. Brushed Finish: This finish is achieved by brushing the steel round bar with a fine abrasive material. It creates a distinctive linear pattern on the surface, enhancing its aesthetic appeal while maintaining a smooth texture. 3. Shot Blasted Finish: In this process, steel round bars are bombarded with small steel shots at high velocity. This results in a textured and slightly rough surface, which improves grip and provides better adhesion for coatings or paints. 4. Peened Finish: Peening involves impacting the surface of the steel round bar with small metal pellets or balls. This creates a dimpled texture, enhancing the material's resistance to fatigue and improving its strength and durability. 5. Anodized Finish: This is a surface treatment commonly used on aluminum alloys in the aerospace industry. However, it can also be applied to steel round bars. Anodization creates a thin, protective oxide layer on the surface, enhancing corrosion resistance and improving the material's appearance. These different types of surface finishes are chosen based on the specific requirements of the aerospace industry, considering factors such as durability, corrosion resistance, aesthetics, and functionality.
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Hot Dip Galvanized Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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