Structural Steel Bar EN10025(93) S355J2G3
- Ref Price:
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- 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
Structural Steel Bar EN10025(93) S355J2G3
Product Description of Structural Steel Bar EN10025(93) S355J2G3
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 Structural Steel Bar EN10025(93) S355J2G3
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 Structural Steel Bar EN10025(93) S355J2G3
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 Structural Steel Bar EN10025(93) S355J2G3
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Structural Steel Bar EN10025(93) S355J2G3
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 is the cost of steel round bars?
- The cost of steel round bars can vary depending on several factors such as the grade of steel, size of the bar, and the quantity being purchased. Generally, the price is determined by market conditions and can fluctuate over time. It is recommended to contact local steel suppliers or check online platforms that offer steel products to get the most accurate and up-to-date pricing information. Additionally, factors such as transportation and handling costs may also influence the final cost.
- Q: How do steel round bars perform in high-temperature environments?
- Steel round bars generally perform well in high-temperature environments due to their high heat resistance and thermal stability. The composition and manufacturing process of steel bars allow them to retain their mechanical properties, such as strength and hardness, even at elevated temperatures. However, the specific performance of steel round bars in high-temperature environments can vary depending on factors like the grade of steel, duration of exposure, and the presence of corrosive agents.
- Q: How do steel round bars perform under cyclic loading?
- Steel round bars typically perform well under cyclic loading due to their high strength and ductility. When subjected to repeated or cyclic loading, these bars can withstand significant stress without experiencing deformation or failure. The fatigue behavior of steel round bars is influenced by various factors, such as the material composition, heat treatment, and surface finish. Steel bars with higher tensile strength and hardness tend to exhibit better resistance to fatigue, as they can withstand higher stress levels before failure occurs. Under cyclic loading, steel round bars undergo stress cycles that cause alternating compression and tension forces. These cycles can lead to the initiation and propagation of cracks, ultimately leading to failure. However, steel's inherent ductility allows it to absorb energy and redistribute stress, which helps to mitigate crack propagation and extend the fatigue life of the bar. The fatigue strength of steel round bars is typically determined through fatigue tests, where the bars are subjected to a specified number of stress cycles until failure occurs. The results of these tests provide valuable information on the endurance limit and fatigue life of the steel bar under different loading conditions. To enhance the fatigue performance of steel round bars, various techniques can be employed, such as shot peening, surface coating, and residual stress induction. These techniques can introduce compressive stress on the bar's surface, which helps to inhibit crack initiation and propagation, thereby improving its fatigue resistance. Overall, steel round bars are reliable and durable under cyclic loading, making them suitable for applications that involve repeated or fluctuating stresses, such as structural components, automotive parts, and machinery components. However, it is essential to consider the specific loading conditions, material properties, and design criteria when selecting steel round bars to ensure optimal performance and longevity.
- Q: Are steel round bars suitable for welding applications?
- Steel round bars are a great choice for welding. They are commonly used in welding applications because they are strong and durable. You can easily weld them to other steel components or structures using different welding processes like arc welding, MIG welding, or TIG welding. Steel round bars also have good mechanical properties, including excellent tensile strength. This makes them suitable for welding applications where strength and load-bearing capacity are important. They come in various sizes and grades, so you can use them for different welding projects. However, it's important to choose the right type of steel round bar for your specific welding application and desired final product properties.
- Q: What are the advantages of using alloy steel round bars?
- There are several advantages of using alloy steel round bars. Firstly, alloy steel has superior strength and hardness compared to regular steel, making it more durable and resistant to wear and tear. Secondly, alloy steel round bars offer excellent corrosion resistance, making them suitable for use in various environments, including marine and chemical industries. Additionally, alloy steel can withstand high temperatures, making it ideal for applications that involve heat or extreme conditions. Lastly, alloy steel round bars can be easily machined and fabricated, allowing for versatility in design and customizations.
- Q: What is the difference between a bright and a hot rolled steel round bar?
- The main difference between a bright and a hot rolled steel round bar lies in their manufacturing processes. A hot rolled steel round bar is produced by heating the steel billet or ingot to high temperatures and then rolling it into the desired shape at elevated temperatures. This process results in a rougher surface finish and a slightly larger diameter tolerance compared to bright bars. On the other hand, a bright steel round bar is manufactured by cold drawing the hot rolled steel bar through a die to achieve a smoother surface finish and tighter dimensional tolerances. Overall, the bright steel round bar has a more refined appearance and is often preferred for applications requiring superior surface finish and dimensional accuracy.
- Q: What is the maximum length of a steel round bar available?
- The maximum length of a steel round bar that is available can differ due to different factors, including manufacturing capabilities, transportation restrictions, and customer demands. Nonetheless, in general, steel round bars can be manufactured in lengths that span from a few feet to several meters. The precise maximum length will be influenced by the size and diameter of the round bar, as well as other logistical factors to take into account. It is crucial to seek guidance from steel suppliers or manufacturers to ascertain the maximum length that is available for a particular type and size of steel round bar.
- Q: Are steel round bars resistant to impact?
- Yes, steel round bars are generally resistant to impact due to their high strength and durability. They can withstand significant force without deforming or breaking, making them suitable for applications where impact resistance is required.
- Q: What are the different types of steel alloy compositions used for round bars?
- There are several different types of steel alloy compositions used for round bars, each with its own unique properties and applications. Some of the most common steel alloy compositions used for round bars include: 1. Carbon Steel: This is the most basic and widely used type of steel alloy composition for round bars. It primarily consists of iron and carbon, with small amounts of other elements. Carbon steel round bars are known for their strength, durability, and affordability. 2. Alloy Steel: This type of steel alloy composition contains additional alloying elements such as manganese, chromium, nickel, or molybdenum. Alloy steel round bars offer enhanced strength, hardness, and resistance to wear, making them suitable for applications that require high performance and durability. 3. Stainless Steel: Stainless steel round bars are composed primarily of iron, chromium, and nickel. This composition gives them excellent corrosion resistance and makes them suitable for applications in environments with high moisture or chemical exposure. Stainless steel round bars are also known for their aesthetic appeal and are commonly used in architectural and decorative applications. 4. Tool Steel: Tool steel round bars are specifically designed to have exceptional hardness, toughness, and wear resistance. They are often used in the production of cutting tools, dies, and molds. Tool steel compositions typically include elements such as tungsten, vanadium, or cobalt to enhance their performance in specific applications. 5. Duplex Steel: Duplex steel round bars are a type of stainless steel that contains a balanced combination of austenitic and ferritic microstructures. This composition gives them excellent strength and corrosion resistance, making them suitable for applications in demanding environments, such as offshore oil and gas industry. 6. High-Speed Steel: High-speed steel round bars are designed to withstand high temperatures and maintain their hardness and toughness at elevated speeds. They are commonly used in the production of cutting tools, drills, and milling cutters. High-speed steel compositions typically contain elements such as tungsten, molybdenum, or cobalt. These are just a few examples of the different types of steel alloy compositions used for round bars. The choice of composition depends on the specific application, desired properties, and performance requirements.
- Q: How do you determine the straightness of a steel round bar?
- To determine the straightness of a steel round bar, you can use a straightedge or a precision measuring instrument such as a dial indicator. Place the straightedge along the length of the bar and observe if there are any visible gaps or deviations from a straight line. Alternatively, by using a dial indicator, you can measure the amount of deflection or deviation from a straight path at different points along the bar's length.
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Structural Steel Bar EN10025(93) S355J2G3
- 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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