6mm*0.222kg/m round bar for construction RB
- 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 6mm*0.222kg/m round bar for construction RB 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:
6mm*0.222kg/m 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:
Specifications of High Quality Round Bar
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: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q: Are steel round bars resistant to abrasion?
- Yes, steel round bars are generally resistant to abrasion due to their hardness and durability.
- Q: How do you determine the hardness of a steel round bar?
- The hardness of a steel round bar can be determined through various methods, including hardness testing techniques such as Rockwell, Brinell, or Vickers testing. These tests involve applying a specific amount of pressure or indentation on the surface of the steel bar and measuring the resulting indentation size. The hardness value obtained from these tests is then used to determine the material's resistance to deformation and its ability to withstand wear and tear.
- Q: What is the difference between seamless and welded steel round bars?
- The manufacturing process and resulting characteristics distinguish seamless and welded steel round bars. Seamless bars undergo a process where a solid billet of steel is pierced to form a hollow tube. This tube is then elongated and further processed to achieve the desired dimensions and surface finish. The seamless manufacturing process guarantees a bar without any welds or joints along its length. Consequently, seamless steel round bars possess a uniform composition and structure throughout, ensuring exceptional strength and reliability. They are particularly favored for applications involving high pressure or high temperatures, as they display superior resistance to internal and external pressure. In contrast, welded steel round bars are produced by combining two or more steel pieces through welding techniques. This involves heating the ends of the steel pieces and fusing them together using various welding methods, such as arc welding, resistance welding, or fusion welding. The welding process introduces a weld seam along the length of the bar, which has the potential to impact its structural integrity and mechanical properties. Welded steel round bars may exhibit slightly lower strength and toughness compared to seamless bars due to the presence of the weld seam, which can create stress concentrations. Nonetheless, they are generally more cost-effective and readily available in a wide range of sizes and grades. To summarize, the primary distinction between seamless and welded steel round bars lies in their manufacturing process and resulting characteristics. Seamless bars are created through the piercing of a solid billet, ensuring a uniform composition and strength throughout, which makes them suitable for high-pressure and high-temperature applications. On the other hand, welded bars are formed by joining multiple steel pieces through welding, introducing a weld seam that may slightly affect their strength and toughness. Welded bars are often more cost-effective and available in various sizes and grades.
- Q: Can steel round bars be used for gear applications?
- Yes, steel round bars can be used for gear applications. Steel round bars are often used for manufacturing gears due to their high strength, durability, and ability to withstand heavy loads and wear. They can be machined and heat-treated to meet specific gear requirements, making them a suitable choice for various gear applications in industries such as automotive, machinery, and manufacturing.
- Q: What is the maximum aluminum content allowed for steel round bars?
- The aluminum content permissible for steel round bars fluctuates based on the particular steel grade and industry norms. Generally, the aluminum content in steel round bars is commonly restricted to a maximum range of 0.03-0.06% for the majority of commercial and structural steel grades. Nevertheless, certain specialized steel grades, particularly those employed in the aerospace sector, may permit higher levels of aluminum content. It is crucial to refer to the technical specifications or industry norms of the specific steel grade to ascertain the maximum permissible aluminum content for steel round bars.
- Q: What is the tensile strength of Q235 round steel?
- Level 1, surface shape, light circle, strength code R235, grade Q235, carbon content 0.14%-0.22%. Silicon content 0.12%-0.30%. Manganese content 0.30%-0.65%, phosphorus content is equal to less than 0.045%, sulfur content is less than or equal to 0.050%,
- Q: Can steel round bars be used in the construction of bridges?
- Absolutely, steel round bars are indeed suitable for the construction of bridges. Their exceptional strength, durability, and versatility make them a common choice in bridge construction. They possess remarkable load-bearing capabilities and can endure substantial weights, making them ideal for utilization in bridge beams, columns, and other structural components. Furthermore, steel round bars can be effortlessly welded, bent, and shaped into diverse forms and sizes, allowing for tailor-made designs and streamlined construction procedures. By employing steel round bars, the bridge guarantees both its structural soundness and long-lasting nature, which explains their widespread preference in bridge construction around the globe.
- Q: What are the different types of steel round bar surface finishes for improved cleanliness?
- Different surface finishes can be used on steel round bars to enhance cleanliness. Here are some examples: 1. Achieving a bright surface finish involves polishing the steel round bar, resulting in a smooth and reflective appearance. This type of finish is commonly utilized in industries where cleanliness and aesthetics are crucial, such as the manufacturing of kitchen appliances or decorative items. 2. A satin finish can be achieved by brushing the steel round bar with fine abrasive pads, resulting in a smooth and matte surface. This finish is often preferred in applications that require a clean and modern look, like architectural designs or furniture manufacturing. 3. The pickled finish involves immersing the steel round bar in an acid solution, which eliminates impurities and oxides from the surface. This type of finish is commonly used in applications where the steel round bar will undergo further processing, such as the production of pipes or tubes. 4. To obtain a passivated finish, the steel round bar is treated with a chemical solution that forms a protective oxide layer on the surface. Passivated finishes enhance the steel's corrosion resistance, making it suitable for use in harsh or corrosive environments. 5. The shot blasted finish involves propelling small metal or ceramic particles at high velocity onto the surface of the steel round bar. This process removes scale, rust, or surface contaminants, resulting in a clean and textured surface. Shot blasted finishes are often employed when a strong bond between the steel round bar and another material, such as paint or coating, is required. Ultimately, the choice of surface finish for steel round bars depends on the specific application and the desired level of cleanliness. Each finish offers distinct properties and advantages, allowing for improved cleanliness and performance in various industries.
- Q: Can steel round bars be polished?
- Indeed, it is possible to polish steel round bars. The act of polishing steel round bars encompasses the utilization of abrasive substances, for instance, sandpaper or polishing compounds, to eliminate any flaws or coarse areas on the bar's exterior. This procedure can be executed manually or with the aid of machinery exclusively devised for polishing metals. Ultimately, a sleek and lustrous surface is achieved on the steel round bar. Nevertheless, it is imperative to acknowledge that the specific polishing methods and materials needed are contingent upon the type of steel and the desired end result.
- Q: Can steel round bars be used in food processing applications?
- No, steel round bars are not suitable for food processing applications as they can corrode and contaminate the food. Stainless steel is typically used in such applications due to its corrosion resistance and hygienic properties.
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6mm*0.222kg/m round bar for construction RB
- 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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