Mild Hot Rolled Steel Round Bars for Bults and Nults
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Product Description:
OKorder is offering high quality Mild Hot Rolled Steel Round Bars for Bults and Nults at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Mild Hot Rolled Steel Round Bars for Bults and Nultsare ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
1. Steel round bar products is used in construction and a large number of architectural and engineering structures. And it can be used in production of handrail, windows, machinery, telecom and curtain wall.
2. It can be used in the fields like metal mines, cement plants, water coal slurry, power stations and chemical industry.
3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.
4. Recommended watchcase factory, screw factory and other cold stamping products industry use.
Product Advantages:
OKorder's Steel I-Beams are durable, strong, and resist corrosion.
1. The steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%.
2. As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however it becomes less ductile.
3. Regardless of the heat treatment, higher carbon content reduces weld ability. In carbon steels, the higher carbon content lowers the melting point.
4. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Specifications of Mild Hot Rolled Steel Round Bars for Bults and Nults
1. Grade: Q235, A36, SS400, S235JR
2. Feature: Unbreakable, grinding resistant and high impact value
3. Diameter: 8mm-150mm
4. Performance: Mainly for civil construction
5. Characteristics: Even hardness, no deformation, no breaking, no mal-roundness
6. Technique: Hot rolled
7. Mass: Mass (kg/m) = Diameter (mm) × Diameter (mm) × 0.00617
Packaging & Delivery of Mild Hot Rolled Steel Round Bars for Bults and Nults
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Production Flow of Mild Hot Rolled Steel Round Bars for Bults and Nults
Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
FAQ:
Q1: The products are invoicing on theoritical weight or on actual weight?
A1: We can do it in both manners, according to the customers' request.
Q2: What is the normal tolerance of Hot Rolled Mild Steel Angle Beams for Structures and for Buildings?
A2: Normally 3%-5%, but we can also produce the goods according to the customers' requests.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- Q: Are steel round bars suitable for marine applications?
- Yes, steel round bars are suitable for marine applications. Steel is known for its strength, durability, and corrosion resistance, making it a popular choice for various marine applications. Steel round bars are commonly used in the construction of marine structures, such as shipbuilding, offshore platforms, and marine equipment. The high tensile strength of steel allows it to withstand the harsh conditions of the marine environment, including the corrosive effects of saltwater. Additionally, steel can be easily fabricated and welded, making it a versatile material for marine applications. However, it is important to consider the specific requirements of the marine application and choose the appropriate type of steel round bar. Duplex stainless steel, for example, offers superior corrosion resistance compared to standard carbon steels and is often preferred for marine applications. It is also crucial to apply proper maintenance and protective coatings to ensure the longevity and performance of steel round bars in marine environments. Overall, steel round bars are a suitable choice for marine applications due to their strength, durability, and corrosion resistance. However, it is essential to select the right type of steel and implement proper maintenance practices to ensure optimal performance in the marine environment.
- Q: What are the different surface hardness options for steel round bars?
- Steel round bars can exhibit varying degrees of surface hardness, depending on the specific requirements and applications. There are several options available for achieving different levels of surface hardness in steel round bars: 1. Soft or annealed: At the lowest end of the surface hardness spectrum, steel is subjected to a heating and gradual cooling process to reduce internal stress and enhance ductility. Soft or annealed steel is easier to machine and shape, but it possesses lower strength and wear resistance. 2. Normalized: By heating steel to a predetermined temperature and subsequently cooling it in ambient air, the grain structure is refined, resulting in improved mechanical properties and increased hardness compared to annealed steel. 3. Quenched and tempered: This heat treatment process involves heating steel to high temperatures and quickly cooling it in a quenching medium like oil or water. The rapid cooling hardens the steel's surface, while the subsequent tempering process alleviates internal stresses and enhances toughness. Quenched and tempered steel round bars exhibit high levels of hardness and strength, making them suitable for applications requiring resistance to wear and impact. 4. Induction hardened: Through induction hardening, the surface of a steel round bar is selectively heated using an induction coil. This localized heating is followed by rapid quenching, resulting in a hardened surface layer that exhibits increased wear resistance. The core of the steel remains unaffected, retaining its toughness. 5. Case hardened: Also known as carburizing, case hardening involves introducing carbon into the surface layer of the steel round bar. This can be achieved by exposing the steel to a carbon-rich gas or heating it with a carbon-containing material. The carbon diffuses into the surface, increasing its hardness while leaving the core relatively softer. Case hardened steel round bars possess a tough core with a wear-resistant surface. These examples represent only a fraction of the available surface hardness options for steel round bars. The choice of hardness depends on specific application requirements such as required strength, wear resistance, and toughness.
- Q: Are steel round bars available in custom lengths?
- Yes, steel round bars are available in custom lengths.
- Q: What are the common sizes and dimensions of steel round bars?
- Different applications and requirements dictate the availability of steel round bars in a range of sizes and dimensions. The most prevalent sizes and dimensions for steel round bars encompass diameters spanning from 1/4 inch to 24 inches. These diameters correspond to the nominal size of the round bar, which approximates its cross-sectional diameter. Concerning dimensions, standard lengths of 20 feet or 6 meters are typically available for steel round bars. However, custom lengths can be manufactured upon request. The length of the round bar plays a crucial role as it determines the amount of material accessible for cutting, shaping, and fabrication. Furthermore, the weight of steel round bars may differ based on their size. Steel is typically evaluated by its weight per unit length, commonly specified in pounds per foot or kilograms per meter. The weight of a steel round bar is influenced by its diameter, length, and the specific type of steel employed. It should be noted that the aforementioned sizes and dimensions are industry standards, but there may be variations depending on the particular manufacturer or supplier. Hence, it is always advisable to consult the manufacturer's catalog or directly contact them to obtain accurate and up-to-date information regarding the sizes and dimensions of the steel round bars they offer.
- Q: What is the elongation of a steel round bar?
- The elongation of a steel round bar refers to the amount of lengthening or stretching the bar undergoes when subjected to an applied force or load.
- Q: What are the advantages of using high-speed steel round bars?
- There are several advantages of using high-speed steel (HSS) round bars in various applications. Firstly, HSS round bars are known for their exceptional hardness and wear resistance. This makes them ideal for cutting, shaping, and machining operations that involve high-speed and high-temperature conditions. HSS round bars can withstand the heat generated during these processes without losing their hardness or dulling quickly, resulting in improved tool life and reduced downtime for tool changes. Secondly, HSS round bars have excellent strength and toughness properties. This enables them to handle heavy loads and resist deformation, even under demanding applications. The strength and toughness of HSS round bars make them suitable for use in industries such as aerospace, automotive, and manufacturing, where precision and reliability are critical. Thirdly, HSS round bars offer superior cutting performance. Due to their high hardness, HSS round bars can retain a sharp cutting edge for an extended period. This allows for efficient and precise cutting, reducing the chances of inaccuracies or errors in the workpiece. The sharp cutting edge also contributes to improved surface finish and dimensional accuracy. Additionally, HSS round bars have good thermal conductivity, meaning they can efficiently dissipate heat generated during cutting or machining operations. This prevents overheating, which can lead to premature tool failure or damage. The ability of HSS round bars to manage heat buildup helps maintain the integrity of the tool and extends its lifespan. Lastly, HSS round bars are readily available and cost-effective compared to other high-performance tool materials like carbide. This makes them a popular choice for a wide range of applications, especially in industries where cost considerations are significant. In conclusion, the advantages of using high-speed steel round bars include exceptional hardness and wear resistance, excellent strength and toughness, superior cutting performance, good thermal conductivity, and cost-effectiveness. These advantages make HSS round bars a preferred choice for professionals and industries that require reliable and efficient cutting and machining tools.
- Q: Are steel round bars suitable for machining operations?
- Steel round bars are an ideal choice when it comes to machining. The high strength and durability of steel make it a top-notch material for numerous machining processes. It's easy to shape, cut, drill, and turn steel round bars to create precise components and parts. When it comes to achieving the desired shape, size, and finish, milling, drilling, and turning can efficiently be performed on steel round bars. The dimensional stability and mechanical properties of steel round bars are exceptional, resulting in accurate and consistent machining outcomes. Whether it's the automotive, aerospace, construction, or manufacturing industry, steel round bars are a dependable option for machining operations.
- Q: Can steel round bars be used in the textile industry?
- No, steel round bars are not typically used in the textile industry. Textile manufacturing mainly requires materials such as fibers, yarns, fabrics, and machinery specific to the industry. Steel round bars are more commonly used in construction, engineering, and manufacturing sectors where structural strength is required.
- Q: How do you prevent scaling of steel round bars during heat treatment?
- To prevent scaling of steel round bars during heat treatment, there are several measures that can be taken: 1. Use a protective atmosphere: Heat treatment can be carried out in a controlled atmosphere, such as in a furnace with a controlled gas environment. This prevents the exposure of the steel bars to oxygen, which is the primary cause of scaling. 2. Apply a protective coating: Coating the steel round bars with a protective substance, such as a refractory material or a thin layer of paint, can help prevent scaling. This coating acts as a barrier between the steel and the oxygen in the atmosphere, reducing the chances of scaling. 3. Use a reducing atmosphere: Instead of using a normal atmospheric environment, heat treatment can be conducted in a reducing atmosphere. This involves introducing gases like hydrogen or nitrogen into the furnace, which react with the oxygen to create a more controlled environment and prevent scaling. 4. Control the heating rate: Rapid heating can lead to increased scaling due to the sudden exposure of the steel to high temperatures. By controlling the heating rate, such as using a gradual ramp-up in temperature, scaling can be minimized. 5. Limit the exposure time: Minimizing the time that the steel round bars are exposed to high temperatures can help prevent scaling. This can be achieved by optimizing the heat treatment process and ensuring that the bars are not held at elevated temperatures for longer than necessary. 6. Clean the surface before heat treatment: Prior to heat treatment, it is crucial to remove any contaminants or residues from the surface of the steel round bars. This can be done through mechanical cleaning methods like wire brushing or chemical cleaning techniques, ensuring a clean surface that is less prone to scaling. By implementing these preventative measures, the scaling of steel round bars during heat treatment can be effectively minimized, leading to improved quality and performance of the treated bars.
- Q: Which steel wire is the same diameter as round steel more resistant to breaking?
- A wire rope is a flexible rope twisted with a plurality of strands or strands of fine steel wire. The wire rope is twisted by multi-layer steel wires and then twisted by a certain number of strands into a spiral rope at the center of the rope core. In material handling machinery, for lifting, traction, tensioning and loading purposes. The wire rope has the advantages of high strength, light weight, stable work, easy breaking and whole breaking, and reliable work.
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Mild Hot Rolled Steel Round Bars for Bults and Nults
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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