Hot rolled round bar for construction Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering hot rolled round bar for construction Q235 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:
Hot rolled round bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's round bar are durable, strong, and resist corrosion.
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
Product Specifications:
1. Grade: GB, JIS, ASTM, EN
2. Grade: Q235, SS400, A36, S235JR
3. Diameter and mass: As below
Diameter | Mass | Diameter | Mass | Diameter | Mass |
(mm) | (kg/m) | (mm) | (kg/m) | (mm) | (kg/m) |
6 | 0.22 | 22 | 2.98 | 53 | 17.30 |
7 | 0.30 | 24 | 3.55 | 56 | 19.30 |
8 | 0.40 | 25 | 3.85 | 60 | 22.20 |
9 | 0.50 | 26 | 4.17 | 63 | 24.50 |
10 | 0.62 | 28 | 4.83 | 65 | 26.00 |
11 | 0.75 | 30 | 5.55 | 70 | 30.20 |
12 | 0.89 | 32 | 6.31 | 75 | 34.70 |
13 | 1.04 | 34 | 7.13 | 80 | 39.50 |
14 | 1.21 | 36 | 7.99 | 85 | 44.50 |
15 | 1.39 | 38 | 8.90 | 90 | 49.90 |
16 | 1.58 | 40 | 9.86 | 95 | 55.60 |
17 | 1.78 | 42 | 10.90 | 100 | 61.70 |
18 | 2.00 | 45 | 12.50 | 120 | 88.85 |
19 | 2.23 | 48 | 14.20 | 140 | 120.93 |
20 | 2.47 | 50 | 15.40 | 150 | 138.82 |
4. Material: Mild Steel
5. Heat treatment of high quality steel:
Fire: Isothermal annealing temperature is 800 ~ 880 °C, with 10 ~ 20 °C, the furnace cooling to about 600 °C, hardness above HB269.
Preheat temperature: 730-730 °C
Quenching temperature: 1190-1210 °C
Tempering temperature: 540-595 °C
Cold drawn, hardness 285 HBS
Cold drawn after annealing condition, hardness 277 HBS
Quenching methods: oil quenching, air cooling or salt bath quenching
Usage and Applications of High Quality Round Bar
1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.
2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.
3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.
4) Is used for cold forging die and drawing mode, etc.
5) Recommended watchcase factory, screw factory and other cold stamping products industry use.
Packaging & Delivery of High Quality Round Bar
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 High Quality Round Bar
The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.
FAQ：
Q1: How do we guarantee the quality of our products?
A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q2: How soon can we receive the product after purchase?
A2: 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: What is the maximum weight that can be lifted using a steel round bar as a lifting rod?
- The lifting capacity of a steel round bar depends on several factors, including its diameter, length, material composition, and lifting technique. Different steel round bars have different load-bearing capacities based on their dimensions and grade. Engineering principles and specific formulas can be used to calculate the load-bearing capacity of a steel bar based on its material and geometry. To determine the maximum weight that can be lifted with a particular steel round bar, it is important to consider its ultimate tensile strength, yield strength, and factor of safety. The ultimate tensile strength represents the maximum stress the material can handle before failure, while the yield strength is the stress at which permanent deformation occurs. The factor of safety is a design parameter that takes uncertainties into account and ensures structural integrity. To obtain accurate and reliable information about the load-bearing capacity of a specific steel round bar, it is crucial to consult engineering references, standards, or professionals. They can provide the necessary calculations, considering the bar's diameter, length, material properties, intended lifting application, and safety requirements. In conclusion, the maximum weight that can be lifted using a steel round bar as a lifting rod depends on various factors and cannot be determined without considering the specific characteristics of the bar and the lifting scenario. Consulting engineering resources or experts is essential to ensure safe and accurate calculations.
- Q: Are steel round bars suitable for food processing applications?
- No, steel round bars are not suitable for food processing applications.
- Q: Can steel round bars be used in the production of gears?
- Yes, steel round bars can be used in the production of gears. Steel round bars are often used as a raw material in gear manufacturing due to their high strength, durability, and ability to withstand heavy loads and high temperatures. The round bars can be machined or forged into the desired gear shape, ensuring precise dimensions and accurate teeth profiles. Steel round bars also offer excellent wear resistance and can be heat-treated to further enhance their mechanical properties, making them a suitable choice for various types of gears, including spur gears, helical gears, bevel gears, and worm gears.
- Q: Are steel round bars suitable for use in food processing equipment?
- No, steel round bars are not suitable for use in food processing equipment. Food processing equipment requires materials that are resistant to corrosion, easy to clean, and non-reactive with food substances. While steel round bars are strong and durable, they are prone to rust and can contaminate food with metallic particles. Stainless steel, on the other hand, is the ideal choice for food processing equipment due to its high resistance to corrosion, easy cleanability, and non-reactive properties. It is important to prioritize the safety and hygiene of food processing equipment, and therefore, steel round bars should not be used in this context.
- Q: Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
- Cold drawn steel wire belongs to round bar in building engineering, and it is thread steel after coining. But the material of steel is not good. Who knows what material he made?.
- Q: Can steel round bars be used for making brake components?
- Absolutely! When it comes to creating brake components, steel round bars are a fantastic choice. This is because steel possesses exceptional strength, durability, and heat resistance, making it a popular material in brake systems. By machining and shaping steel round bars, one can effortlessly fashion different brake components like brake discs, brake rotors, brake calipers, and brake pistons. The utilization of steel round bars guarantees that these brake components can effortlessly endure the intense pressures and temperatures produced during braking, resulting in a dependable and effective stopping ability.
- Q: Can steel round bars be used in the production of sporting goods?
- Yes, steel round bars can be used in the production of sporting goods. Steel is a versatile material known for its strength and durability, making it suitable for various applications in the sporting goods industry. Steel round bars can be used to create components such as shafts, handles, frames, and supports in sporting equipment like golf clubs, hockey sticks, weightlifting bars, and exercise equipment. The high tensile strength of steel ensures that these components can withstand the forces and pressures exerted during sports activities, providing stability and longevity to the products. Moreover, steel round bars can be easily machined, welded, and molded into different shapes and sizes according to the specific requirements of each sporting good. Steel's corrosion resistance properties also make it ideal for outdoor sporting equipment that is exposed to various weather conditions. Overall, steel round bars are a popular choice in the production of sporting goods due to their strength, durability, versatility, and ability to withstand the demands of different sports.
- Q: What are the advantages of using nickel-iron alloy steel round bars?
- Nickel-iron alloy steel round bars offer several advantages. Firstly, they exhibit excellent corrosion resistance, making them suitable for applications in harsh environments. Additionally, these bars possess high mechanical strength and toughness, allowing them to withstand heavy loads and impacts. They also have good thermal stability, making them ideal for use in high-temperature applications. Moreover, nickel-iron alloy steel round bars have good magnetic properties, making them suitable for use in electromagnetic applications. Overall, the combination of corrosion resistance, mechanical strength, thermal stability, and magnetic properties make nickel-iron alloy steel round bars advantageous in various industrial applications.
- Q: Can steel round bars be used for making propeller shafts?
- It is indeed possible to utilize steel round bars in the production of propeller shafts. The utilization of steel in propeller shafts is widespread due to its robustness, endurance, and ability to withstand corrosion. In particular, round bars are frequently favored due to their shape, which offers exceptional strength and load-bearing capabilities. The decision regarding the steel grade and specific properties will be contingent upon the propeller shaft's requirements, such as the desired dimensions in terms of length, diameter, and torque capacity. Moreover, factors like cost, weight, and manufacturability may also play a role in influencing the selection of steel round bars for propeller shafts.
- Q: What are the maximum allowable stresses for steel round bars?
- The maximum allowable stresses for steel round bars depend on various factors such as the grade of steel, the specific application, and the safety standards being followed. However, a commonly used value for allowable stress in steel round bars is typically around 60,000 to 70,000 pounds per square inch (psi). It is important to consult the appropriate design codes, standards, or engineering specifications to determine the specific maximum allowable stresses for a given steel round bar.
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Hot rolled round bar for construction Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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