Special Steel EN31 Round Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,Forged
Shape:
Square,Round,Rectangular
Surface Treatment:
Chromed Passivation,Polished,Bright,Black
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,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
10-300mm
Length:
6-12m
Net Weight:
2mt
Special Steel EN31 Round Steel Bar
Product Description of Special Steel EN31 Round Steel Bar
1. Steel grade: ASTM52100, SUJ2, 100Gr6, GCr15, EN31
2. Length: 6M-12M
3. Diameter: 10mm-300mm
4. Product range: round bar, flat bar, square bar, wire rod, sheet
5. Technique: Hot rolled, forged, cold drawn
Specification of Special Steel EN31 Round Steel Bar
Material | EN31 | Round bar | Dia(mm) | 10-300mm |
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 Special Steel EN31 Round Steel Bar
C | Si | Mn | Cr | Ni | Mo | P | S |
0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | ≤0.30 | ≤0.10 | ≤0.025 | ≤0.025 |
Photo Show of Special Steel EN31 Round Steel Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Special Steel EN31 Round Steel Bar
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 are the disadvantages of using steel round bars?
- There are several disadvantages of using steel round bars in certain applications. Firstly, steel round bars are relatively heavy compared to other materials such as aluminum or plastic. This can be a disadvantage when considering weight restrictions or when ease of transportation is important. Secondly, steel round bars are susceptible to corrosion, especially in environments with high moisture, humidity, or exposure to certain chemicals. This can lead to the degradation of the material over time, reducing its strength and durability. To mitigate this issue, additional precautions such as coatings or regular maintenance may be required, adding to the overall cost and effort. Furthermore, steel round bars may not be suitable for applications where electrical conductivity is a concern. Steel is a good conductor of electricity, which can be a disadvantage in situations where electrical insulation is necessary. Lastly, steel round bars may not be as aesthetically pleasing as materials like wood or decorative metals. While this may not be a significant disadvantage in certain applications, it can be a drawback in situations where the visual appearance is important, such as architectural or interior design projects. Overall, while steel round bars are widely used and offer numerous advantages such as high strength and durability, it is important to consider these disadvantages in specific applications to ensure the optimal choice of materials.
- Q:What are the advantages of using nickel-alloy steel round bars?
- There are several advantages of using nickel-alloy steel round bars. Firstly, nickel-alloy steel has excellent corrosion resistance, making it suitable for use in harsh environments or applications where the material is exposed to corrosive elements. Secondly, nickel-alloy steel possesses high temperature strength and resistance to thermal expansion, making it ideal for use in high-temperature applications such as aerospace or power generation. Additionally, nickel-alloy steel offers good mechanical properties, including high tensile strength and toughness, which make it suitable for demanding applications that require strength and durability. Overall, the use of nickel-alloy steel round bars provides a combination of corrosion resistance, high-temperature strength, and mechanical properties, making it a versatile and reliable material choice in various industries.
- Q:Can steel round bars be forged?
- Yes, steel round bars can be forged.
- Q:What is the difference between a cold-drawn and a centerless ground steel round bar?
- A cold-drawn steel round bar is produced by pulling the steel through a die at room temperature, resulting in increased hardness and improved surface finish. On the other hand, a centerless ground steel round bar is produced by grinding the outer diameter of the steel bar to achieve tight dimensional tolerances and a smooth surface finish. In summary, the main difference lies in the manufacturing process and the resulting properties and finish of the steel round bar.
- Q:Excuse me, the difference between round steel, screw steel, steel, plate material, steel wire, hope professional answer
- Anything you say can be called steel bar, except steel wire. Round and round is a name, and wire coil, general line.
- Q:What are the typical hardness values for different grades of steel round bars?
- The hardness values for different grades of steel round bars can vary depending on the specific grade and the manufacturing process used. However, there are some typical hardness values that can be used as a general guideline. For low carbon or mild steel round bars, the typical hardness values range from about 120 to 250 Brinell Hardness (HB). These grades of steel are known for their relatively low strength and hardness but can be easily machined and welded. Medium carbon steel round bars, commonly used in applications that require higher strength and hardness, typically have hardness values ranging from about 200 to 400 HB. These grades of steel are often used in construction, automotive, and machinery industries. High carbon or alloy steel round bars, which offer even greater strength and hardness, can have hardness values ranging from 400 to 700 HB or even higher. These grades of steel are commonly used in applications that require high wear resistance, such as cutting tools, gears, and bearings. It is important to note that these hardness values are approximate and can vary depending on factors such as heat treatment, alloy composition, and the specific manufacturing process employed. Therefore, it is always recommended to consult the manufacturer's specifications or conduct hardness testing to determine the exact hardness values for a specific grade of steel round bar.
- Q:What are the advantages of using sulfur-alloy steel round bars?
- There are several advantages to using sulfur-alloy steel round bars. Firstly, sulfur-alloy steel round bars have improved machinability compared to other types of steel. The addition of sulfur to the alloy reduces the friction between the tool and the workpiece, resulting in smoother cutting and lower cutting forces. This makes it easier and more efficient to machine the steel, saving time and reducing costs. Secondly, sulfur-alloy steel round bars have enhanced chip-breaking properties. The sulfur content promotes the formation of small, brittle sulfide inclusions within the steel, which act as chip breakers during machining. These inclusions help to break the chips into smaller pieces, preventing them from tangling and causing issues such as built-up edges or poor surface finish. Another advantage of sulfur-alloy steel round bars is their improved surface finish. The sulfur content in the alloy helps to reduce the occurrence of built-up edges or burrs during machining. This results in a smoother and more precise surface finish, which is particularly important for applications where aesthetics or tight tolerances are required. Additionally, sulfur-alloy steel round bars offer good wear resistance. The sulfur content in the alloy forms hard sulfide inclusions, which help to improve the hardness and wear resistance of the steel. This makes it suitable for applications where the round bars will be subjected to abrasive wear, such as in the manufacturing of gears or bearings. Lastly, sulfur-alloy steel round bars are often more cost-effective compared to other high-performance alloys. The addition of sulfur is a relatively inexpensive process, making sulfur-alloy steel a more affordable option for many applications. This makes it an attractive choice for industries that require high-quality steel but are conscious of costs. Overall, the advantages of using sulfur-alloy steel round bars include improved machinability, enhanced chip-breaking properties, better surface finish, good wear resistance, and cost-effectiveness. These benefits make sulfur-alloy steel round bars a popular choice in various industries, including automotive, aerospace, and manufacturing.
- Q:How do you calculate the weight of a steel round bar based on its length, diameter, and density?
- To calculate the weight of a steel round bar, you need to use the formula for calculating the volume of a cylinder and then multiply it by the density of the steel. Here are the steps to follow: 1. Determine the radius or diameter of the steel round bar. If you know the diameter, divide it by 2 to get the radius. 2. Calculate the volume of the round bar using the formula V = πr^2h, where V is the volume, π is a mathematical constant approximately equal to 3.14159, r is the radius, and h is the length of the round bar. 3. Convert the diameter, radius, and length to the same unit of measurement if they are in different units. 4. Multiply the volume of the round bar by the density of steel. The density of steel varies depending on the type and grade, but a commonly used value is 7.85 g/cm^3 or 7850 kg/m^3. For example, let's say you have a steel round bar with a diameter of 2 cm, length of 50 cm, and the density of steel is 7850 kg/m^3. 1. Calculate the radius: r = 2 cm / 2 = 1 cm. 2. Calculate the volume: V = π(1 cm)^2 * 50 cm = 50π cm^3. 3. Convert the volume to cubic meters: V = 50π cm^3 * (1 m / 100 cm)^3 = 50π * 10^-6 m^3. 4. Calculate the weight: Weight = volume * density = 50π * 10^-6 m^3 * 7850 kg/m^3 = 0.3925 kg. Therefore, the weight of the steel round bar is approximately 0.3925 kg.
- Q:What are the advantages of using nickel-manganese alloy steel round bars?
- There are several advantages of using nickel-manganese alloy steel round bars. Firstly, these bars have excellent strength and toughness, making them suitable for applications that require high load-bearing capacity. Secondly, nickel-manganese alloy steel round bars exhibit good corrosion resistance, making them ideal for use in environments with high moisture or chemicals. Additionally, these bars offer good weldability, allowing for easy fabrication and assembly. Lastly, the inclusion of nickel and manganese in the alloy enhances the bars' heat resistance, making them suitable for applications involving high temperatures. Overall, the use of nickel-manganese alloy steel round bars provides a combination of strength, corrosion resistance, weldability, and heat resistance, making them a versatile choice for various industrial applications.
- Q:What are the typical tolerances for steel round bars?
- The specific requirements of the application or industry can cause variations in the typical tolerances for steel round bars. However, common standard tolerances are generally accepted. Regarding diameter, the tolerances for steel round bars typically fall within a few thousandths of an inch. This means that the actual diameter of the bar may slightly deviate from the specified diameter, but it will still be within an acceptable range. In terms of straightness, steel round bars are commonly manufactured with a tolerance for some deviation from a perfectly straight line. The usual tolerance for straightness is measured in units of inches per foot or millimeters per meter. This means that the bar may have a slight bend or curve, but it should not exceed the specified tolerance. Surface finish is another important factor for steel round bars. The tolerance for surface finish is usually specified in terms of roughness average (Ra) or surface roughness in micrometers. This tolerance ensures that the bar's surface is smooth and free from significant imperfections, such as pits or scratches. It is important to note that these typical tolerances can vary depending on the specific grade or type of steel used, as well as the intended application. Precision or critical applications may require tighter tolerances, while less demanding applications may accept looser tolerances. Therefore, it is recommended to consult relevant industry standards or specifications to determine the specific tolerances required for a particular steel round bar.
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Special Steel EN31 Round Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 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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