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 are the advantages of using bearing steel round bars?
- There are several advantages of using bearing steel round bars: 1. High strength and durability: Bearing steel round bars are known for their exceptional strength and durability. They are specifically designed to withstand heavy loads and high impact forces, making them ideal for applications that require a reliable and robust material. 2. Excellent wear resistance: Bearing steel round bars have excellent wear resistance properties, which means they can endure constant friction and abrasion without experiencing excessive wear and tear. This makes them suitable for applications where the material needs to withstand repetitive rotational motion or sliding. 3. Superior hardness: Bearing steel round bars are typically heat-treated to achieve optimal hardness levels. This hardness allows them to maintain their shape and structural integrity even under extreme conditions, such as high temperatures or heavy loads. 4. Dimensional stability: Bearing steel round bars exhibit excellent dimensional stability, meaning they maintain their shape and size even under varying temperature and environmental conditions. This quality is crucial in applications where precise dimensions are required to ensure proper functioning and performance. 5. Corrosion resistance: Bearing steel round bars are often alloyed with elements like chromium and molybdenum, which enhance their corrosion resistance. This makes them suitable for use in corrosive environments, such as marine or chemical industries. 6. Machinability: Bearing steel round bars are relatively easy to machine and process, which allows for efficient production and customization. This makes them a cost-effective choice for various applications, as they can be easily shaped, cut, or drilled according to specific requirements. Overall, the advantages of using bearing steel round bars include their high strength, excellent wear resistance, superior hardness, dimensional stability, corrosion resistance, and machinability. These qualities make them a preferred choice in industries such as automotive, aerospace, machinery, and construction, where reliability, durability, and performance are crucial.
- Q: Are steel round bars suitable for machining applications?
- Yes, steel round bars are commonly used in machining applications due to their high strength, durability, and machinability. They can be easily shaped, cut, drilled, and turned into various components, making them suitable for applications in industries such as automotive, aerospace, construction, and manufacturing.
- Q: Can steel round bars be used in the manufacturing of electrical components?
- Indeed, the utilization of steel round bars is feasible in the production of electrical components. The malleable nature of steel renders it a flexible material that endows exceptional vigor and robustness, thus rendering it apt for a plethora of applications, including the manufacturing of electrical components. Steel round bars can be employed as linkages, connectors, or supports in electrical devices and apparatus. Consequently, they impart stability, reinforcement, and shielding to the electrical components, guaranteeing their optimal operation and protracted lifespan. Furthermore, steel is easily machinable, weldable, and moldable, thereby enabling manufacturers to tailor the round bars to the specific requirements of the electrical components. Nevertheless, one must bear in mind that depending on the precise application and environment in which they are employed, steel round bars may necessitate appropriate insulation or coating to prevent any electrical conductivity or interference.
- Q: What are the different mechanical properties of steel round bars?
- The different mechanical properties of steel round bars include tensile strength, yield strength, elongation, hardness, and impact resistance. Tensile strength refers to the maximum amount of stress a material can withstand before breaking. Yield strength is the stress at which a material begins to deform permanently. Elongation measures the amount of deformation a material can undergo before breaking. Hardness determines the material's resistance to indentation or scratching. Impact resistance is the ability of a material to absorb energy during sudden impacts without breaking.
- Q: Are steel round bars suitable for agricultural applications?
- Steel round bars are indeed appropriate for agricultural applications. Due to its robustness and endurance, steel proves to be a resilient material capable of enduring the challenging conditions frequently encountered in agricultural settings. The utilization of steel round bars in agriculture encompasses a multitude of purposes, including the construction of fences, gates, and animal enclosures. Moreover, they are frequently employed in the creation of structures like barns and storage sheds. Furthermore, steel round bars can serve as dependable support beams or posts for agricultural machinery and equipment. The reliability and adaptability of steel render it an excellent choice for agricultural applications.
- Q: Are steel round bars suitable for use in the mining industry?
- The mining industry finds steel round bars to be suitable for use. These bars are renowned for their strength and durability, making them an ideal choice for heavy-duty equipment and machinery in mining. They can be utilized in various ways, such as shafts, support beams, and structural components in underground mines, open-pit mines, and processing plants. The steel round bars have the capability to withstand high loads and pressures, enabling them to thrive in harsh mining environments. They possess excellent tensile strength and can endure extreme temperatures, resulting in resistance to wear, abrasion, and impact. This is especially valuable in mining operations where equipment is subjected to heavy loads, vibrations, and constant movement. Furthermore, the steel round bars are easily weldable, fabricated, and machined to meet specific requirements, making them versatile and adaptable for a wide range of mining applications. They can be customized in terms of size, length, and shape, ensuring a perfect fit for various mining equipment and structures. Beyond their strength and versatility, steel round bars also offer cost-effectiveness and long-term value. They have a long lifespan, require minimal maintenance, and can withstand the harsh conditions typically encountered in mining operations, reducing the need for frequent replacements or repairs. Overall, steel round bars are a reliable and suitable choice for the mining industry due to their strength, durability, versatility, and cost-effectiveness. They provide the necessary support and structural integrity required for mining operations, ensuring the safety and efficiency of the industry.
- Q: How do you measure the straightness tolerance of a steel round bar?
- To measure the straightness tolerance of a steel round bar, you can use a straightness measuring instrument such as a straight edge or a laser alignment tool. By placing the instrument along the length of the bar, any deviations from straightness can be observed and measured. The maximum allowable deviation from a perfectly straight line, known as the straightness tolerance, is typically specified in the industry standards or customer requirements.
- Q: What are the different types of steel round bars used in the automotive drivetrain systems?
- There are several types of steel round bars commonly used in automotive drivetrain systems, including alloy steel, carbon steel, and stainless steel. These bars are chosen based on their specific properties and characteristics, such as strength, durability, and resistance to corrosion. The selection of the type of steel round bar depends on the specific application and requirements of the drivetrain system.
- Q: Are steel round bars available in different colors?
- No, steel round bars are typically available in a silver or gray color as they are made from alloyed iron and carbon.
- Q: Can steel round bars be used in the production of construction equipment?
- Yes, steel round bars can be used in the production of construction equipment. Steel round bars are commonly used in the construction industry due to their strength, durability, and versatility. They can be used to manufacture various components of construction equipment such as axles, shafts, gears, and structural supports. The high tensile strength of steel round bars ensures that the equipment can withstand heavy loads and harsh operating conditions. Additionally, the machinability and weldability of steel round bars make them suitable for fabrication processes involved in the production of construction equipment. Overall, steel round bars are a reliable and commonly used material in the construction industry for manufacturing construction equipment.
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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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