Hot Rolled Alloy Steel Round Bars
- 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
You Might Also Like
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
Hot Rolled Alloy Steel Round Bars
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
4. Standard: GB/T 3077-1999(42CrMo) ; JIS SCM440; DIN 42CrMo4 ; ASTM 4140 ; BS 708M40
No.1 Rolling Line / Billet Size 150*150mm
16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
34 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 45.6 |
46 | 47 | 52 | 54 | 55 | 56 | 58 | 60 |
No.2 Rolling Line / Billet Size 180*220mm/ 260*300mm
62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | |
70 | 72 | 73 | 75 | 78 | 80 | 82 | 83 | 85 |
86 | 88 | 90 | 92 | 95 | 100 | 103 | 105 | 110 |
114 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 |
No.3 Rolling Line / Round Billet Size 350mm/450mm/600mm
90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 |
140 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 220 |
230 | 240 | 250 |
- 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: How do you calculate the cross-sectional area of a steel round bar?
- In order to determine the cross-sectional area of a steel round bar, it is necessary to possess knowledge of either its diameter or radius. The formula for calculating the cross-sectional area of a circle is A = πr^2, wherein A represents the area and r denotes the radius of the circle. When provided with the diameter of the round bar, one can simply divide it by 2 to obtain the radius. Once the radius is ascertained, it can be substituted into the formula to compute the cross-sectional area. It is important to bear in mind that the value of π is approximately 3.14159.
- Q: What is the difference between a hot-finished and a cold-finished steel round bar?
- The main difference between a hot-finished and a cold-finished steel round bar lies in the manufacturing process and the resulting physical properties of the steel. Hot-finished steel round bars are produced by passing the steel through a high-temperature furnace, followed by a series of rolling processes. This process helps to shape the steel into its desired final dimensions. The high temperatures during the manufacturing process allow for the steel to be more malleable, making it easier to shape and form. As a result, hot-finished steel round bars often have a rougher surface finish and may have slight imperfections such as scaling and decarburization. However, the high-temperature process imparts improved mechanical properties to the steel, such as higher tensile strength and yield strength, making it suitable for applications that require higher strength and durability. On the other hand, cold-finished steel round bars undergo a different manufacturing process. Cold-finished bars are formed by passing the steel through a series of cold rolling processes, which typically occur at room temperature. This process results in a smoother surface finish and tighter dimensional tolerances compared to hot-finished bars. The absence of high temperatures during the manufacturing process prevents scaling and decarburization, resulting in a more uniform and clean appearance. While cold-finished bars may have slightly lower tensile strength and yield strength compared to hot-finished bars, they offer improved dimensional accuracy and a smoother surface, making them suitable for applications that require precision machining or aesthetic appeal. In summary, the main differences between hot-finished and cold-finished steel round bars lie in the manufacturing process, surface finish, dimensional accuracy, and mechanical properties. Hot-finished bars offer higher strength and are suitable for applications that prioritize durability, while cold-finished bars provide better surface finish and dimensional accuracy, making them ideal for precision machining or applications where aesthetics are important.
- Q: Are steel round bars suitable for marine environments?
- Steel round bars can be suitable for marine environments, but their suitability depends on the specific type of steel and the conditions of the marine environment. Stainless steel is often the preferred choice for marine applications because it possesses excellent corrosion resistance properties. This is due to the presence of chromium in stainless steel, which forms a protective layer on the steel's surface, preventing corrosion and rusting. However, not all steel round bars are suitable for marine environments. Carbon steel, for instance, is more vulnerable to corrosion in marine settings, especially when exposed to saltwater. To prevent corrosion, carbon steel needs to be carefully protected with coatings or treatments. In addition to the type of steel, the conditions of the marine environment also play a significant role in determining the suitability of steel round bars. Factors such as water salinity, exposure to chemicals, temperature fluctuations, and physical stress can impact steel's corrosion resistance. In highly corrosive marine environments, it is advisable to use specialized marine-grade stainless steel or other corrosion-resistant alloys. Ultimately, it is crucial to choose the appropriate steel grade and consider extra protective measures like coatings or galvanization to enhance the durability and longevity of steel round bars in marine environments.
- Q: How do you calculate the weight of a steel round bar based on its density and dimensions?
- In order to determine the weight of a steel round bar, one must possess knowledge of its density and dimensions. The weight can be calculated using the formula W = V x D, where W represents weight, V represents volume, and D represents density. Firstly, it is necessary to ascertain the volume of the round bar. The volume of a cylinder can be calculated using the formula V = πr^2h, where V represents volume, π is a constant (approximately 3.14159), r represents the radius of the round bar, and h represents the height or length of the round bar. In the event that one possesses the diameter of the round bar instead of the radius, the radius can be determined by dividing the diameter by 2. Once the radius is determined, it can be substituted into the formula along with the height of the round bar to calculate the volume. Subsequently, knowledge of the density of the steel is required. The density of steel is typically measured in grams per cubic centimeter (g/cm^3) or kilograms per cubic meter (kg/m^3). It is imperative to ensure that the units for both density and volume are consistent. If the density is given in g/cm^3, the volume must be converted from cm^3 to m^3 by dividing it by 1,000,000. Finally, the weight can be calculated by multiplying the volume by the density. If the density is provided in kg/m^3, the weight will be in kilograms. If the density is provided in g/cm^3, the weight will be in grams. Conversion to other units can be achieved by utilizing appropriate conversion factors. It is crucial to verify all calculations and maintain consistency of units throughout the entire calculation process.
- Q: How are steel round bars measured?
- Steel round bars are measured by their diameter, which is typically specified in millimeters or inches. The measurement is taken by using a caliper or a micrometer at various points along the bar, ensuring accuracy and consistency.
- Q: What are the different shapes available for steel round bars?
- The different shapes available for steel round bars include round, square, hexagonal, and flat.
- Q: What is the resistance to wear of a steel round bar?
- The resistance to wear of a steel round bar is generally high due to its hardness and durability.
- Q: Can steel round bars be used in high-pressure applications?
- Indeed, high-pressure applications can make use of steel round bars. Notably recognized for their robustness and endurance, steel round bars are well-suited for a range of industrial and mechanical uses. Their capacity to endure immense pressure while offering structural stability has rendered them a favored option in industries like oil and gas, construction, and manufacturing. Nonetheless, selecting the appropriate grade and quality of steel round bars is crucial to guarantee they can withstand the precise pressure demands of the given application.
- Q: Can steel round bars be used in the manufacturing of tools and equipment?
- Yes, steel round bars can be used in the manufacturing of tools and equipment. Steel is a strong and durable material that can withstand heavy loads and provide stability. Round bars can be shaped, cut, and machined into various tool components such as shafts, handles, or blades, making them suitable for a wide range of applications in the manufacturing industry.
Send your message to us
Hot Rolled Alloy Steel Round Bars
- 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
Similar products
Hot products
Hot Searches
Related keywords
