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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Item specifice
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:Can steel round bars be used in the power generation industry?
- Indeed, the power generation industry does make use of steel round bars. These bars, known for their immense strength and durability, are frequently employed in the construction of power generation equipment and infrastructure. They are particularly valuable in the fabrication of turbine shafts, generator rotors, gears, and other components that require the ability to withstand heavy loads and resist wear and fatigue. Moreover, steel round bars can be readily machined and welded, thereby rendering them a highly versatile material for a wide range of applications in the power generation sector.
- Q:How do you prevent warping during welding of steel round bars?
- To prevent warping when welding steel round bars, there are several precautions that can be taken: 1. Ensure proper fit-up: Before welding, make sure the round bars are correctly aligned and fitted together. Any gaps or misalignments can cause uneven heating and cooling, increasing the likelihood of warping. 2. Divide welding into smaller sections: Instead of continuously welding along the entire length of the round bar, break it down into multiple smaller sections. This will help distribute heat more evenly and decrease the risk of warping. 3. Use low heat input techniques: Employ welding techniques like pulse welding or tack welding that minimize heat input. These methods allow for controlled and intermittent heating, reducing the chances of warping. 4. Consider preheating: Preheating the round bars before welding can also prevent warping, especially with thicker bars or when welding dissimilar metals. Preheating helps minimize the temperature difference between the weld and the surrounding material, reducing the risk of warping. 5. Monitor and control heat input: Keep a close eye on the heat input during welding. Excessive heat can cause rapid expansion and contraction, leading to warping. Use appropriate welding parameters, such as lower amperage and shorter welding times, to control the heat input. 6. Utilize welding fixtures: Use welding fixtures or jigs to securely hold the round bars in place during welding. This helps maintain proper alignment and prevents movement, reducing the chance of warping. 7. Allow for natural cooling: After welding, let the round bars cool down slowly and naturally. Avoid rapid cooling methods like quenching, as they can induce stress and increase the risk of warping. By implementing these measures, the likelihood of warping when welding steel round bars can be significantly reduced, resulting in higher quality and more dependable welded joints.
- Q:How do steel round bars perform in low-temperature environments?
- Steel round bars generally perform well in low-temperature environments. The mechanical properties of steel, such as strength and toughness, are typically maintained at low temperatures. However, it is important to consider the specific grade of steel being used, as some grades may exhibit reduced impact resistance or brittleness at extremely low temperatures. One common concern is the potential for brittle fracture in steel round bars at low temperatures. This can occur when the steel transitions from a ductile to a brittle state. However, most standard steel grades used in construction and industry are designed to resist brittle fracture even in low-temperature environments. Certain special alloy steels, such as low-temperature carbon steels, are specifically formulated to provide superior performance in extremely cold conditions. These steels contain additional elements, such as nickel or manganese, which enhance their low-temperature properties. They are often used in applications that require excellent toughness and impact resistance, such as offshore structures or cryogenic storage tanks. In summary, steel round bars generally perform well in low-temperature environments, and their mechanical properties are typically maintained. However, it is important to select the appropriate steel grade for the specific low-temperature application to ensure optimal performance and prevent potential issues such as brittle fracture.
- Q:What is the maximum weight capacity of a steel round bar?
- The maximum weight a steel round bar can hold depends on several factors, including its diameter, length, grade, and type of steel. Steel round bars are available in various sizes and grades, each with its own load-bearing capacity. To determine the maximum weight a steel round bar can handle, you need to calculate its cross-sectional area using the formula: Area = π * (diameter/2)^2. Here, π represents a mathematical constant that is approximately equal to 3.14159. Once you have the cross-sectional area, you can estimate the weight of the bar by multiplying it with the density of the specific steel grade. The density of steel varies based on the grade, but as a general approximation, it is around 7850 kilograms per cubic meter (or 0.00785 grams per millimeter cubed). However, it's important to remember that weight capacity alone may not be the only factor to consider for the safe use of a steel round bar. Other factors like load distribution, applied forces, and the structural integrity of the bar are equally important to ensure safe operation. For accurate weight capacity information for a specific steel round bar, it is recommended to refer to the manufacturer's specifications or consult a qualified engineer or professional who can provide precise calculations based on the specific requirements and characteristics of the steel round bar in question.
- Q:Special steel bar steel products used to do what
- Carbon tool steel is high carbon steel basically contains alloy elements, the carbon content in the range of 0.65% ~ 1.35%, the production of low cost, easy to obtain raw materials, good machinability, after treatment can obtain high hardness and high wear resistance, so it is widely used in steel, used to manufacture all kinds of cutting tools, mold, measuring.
- Q:What is the red hardness of a steel round bar?
- The red hardness of a steel round bar refers to its ability to maintain hardness and resist deformation at high temperatures, typically around 500°C to 600°C. This property is crucial for applications involving cutting tools and high-temperature environments.
- Q:What is the tensile strength of Q235 round steel?
- According to the national standard of GB 13013-1991 reinforced hot rolled round steel bars,Q235 reinforcement
- Q:Can steel round bars be machined using CNC equipment?
- Yes, steel round bars can be machined using CNC equipment. CNC (Computer Numerical Control) machines are capable of accurately and precisely shaping steel round bars into various desired forms and dimensions.
- Q:How do you store steel round bars to prevent damage?
- To prevent damage to steel round bars, they should be stored in a clean and dry environment, away from moisture and direct sunlight. It is recommended to store them horizontally on a flat surface or on racks, ensuring they are not stacked too high to avoid bending or warping. Additionally, using protective coverings or plastic caps on the ends can help prevent any potential scratches or dents during storage.
- Q:How can I connect channel steel and round steel?
- The connection of channel steel and round steel is done by welding, and the strength of the screw connection is not enough.
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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
OKorder Financial Service
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