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
You Might Also Like
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: Can steel round bars be used for making connecting rods?
- Yes, steel round bars can be used for making connecting rods. Steel is a commonly used material for connecting rods due to its high strength and durability, making it suitable for withstanding the stress and load requirements of an engine.
- Q: Can steel round bars be used in the aerospace manufacturing industry?
- The aerospace manufacturing industry can indeed utilize steel round bars. In various aerospace applications like structural components, landing gear, engine components, and fasteners, steel round bars are a common choice. The reason behind this is the commendable strength and durability of steel, which makes it highly suitable for critical aerospace applications. Moreover, steel round bars can be conveniently machined and shaped into intricate forms, offering customization and precise engineering solutions in the aerospace sector. Furthermore, steel's ability to resist corrosion and withstand extreme temperatures enhances its reliability in aerospace manufacturing. Ultimately, due to their strength, durability, machinability, and corrosion resistance, steel round bars emerge as a versatile and extensively employed material in the aerospace industry.
- Q: What are the factors to consider when selecting a steel round bar?
- When selecting a steel round bar, there are several factors that should be taken into consideration. Firstly, it is important to consider the grade of steel. Different grades of steel have varying properties and strengths, so the specific application and requirements should be evaluated. For example, if high corrosion resistance is needed, stainless steel grades like 304 or 316 may be suitable, whereas for structural applications, carbon steel grades like A36 or 1018 may be more appropriate. Secondly, the dimensions and size of the round bar should be considered. This includes the diameter, length, and tolerance requirements. The size should be chosen based on the specific application, load-bearing capacity, and the available space for installation. Thirdly, the surface finish and condition of the round bar should be assessed. This includes factors such as surface roughness, straightness, and any surface defects. The surface finish should be selected based on the desired aesthetics, functional requirements, and the manufacturing process. Another important factor is the availability and cost of the steel round bar. It is crucial to consider the availability of the desired grade and size from suppliers, as well as the associated cost. It is advisable to compare prices from different suppliers to ensure the best value for money. Furthermore, the required mechanical properties of the steel round bar should be evaluated. This includes factors such as tensile strength, yield strength, hardness, and ductility. The mechanical properties should align with the intended application and load-bearing requirements. Lastly, it is essential to consider any additional requirements or certifications that may be needed. This could include compliance with specific industry standards (e.g., ASTM, ISO), certifications (e.g., RoHS, REACH), or specific testing requirements (e.g., ultrasonic testing, impact testing). In conclusion, when selecting a steel round bar, it is important to consider the grade, dimensions, surface finish, availability, cost, mechanical properties, and any additional requirements. Taking into account these factors will help ensure that the steel round bar chosen is suitable for the intended application and meets all necessary specifications.
- Q: Grade 1 steel is round steel, grade two steel is ribbed thread steel. Are the weight of the two units the same?
- Grade two steel is ribbed steel, but the average diameter is calculated. The chemical composition of grade steel and grade two steel is different, but the density of them is the same. Therefore, the unit weight of grade 1 steel and grade two steel is the same.
- Q: How strong are steel round bars compared to other materials?
- Steel round bars, renowned for their exceptional strength and durability, are widely recognized as one of the toughest materials available. In comparison to aluminum, brass, and wood, steel round bars boast a significantly higher tensile strength, referring to their capacity to withstand pulling forces without succumbing to breakage. Moreover, steel round bars are capable of handling higher compressive loads, rendering them highly suitable for applications involving substantial pressure or heavy loads. Not only do steel round bars exhibit remarkable strength, but they also showcase excellent ductility, allowing for easy shaping and bending without any risk of fracture. This remarkable feature grants steel round bars versatility, which explains their extensive utilization in diverse industries such as construction, automotive, manufacturing, and aerospace. While other materials possess their own distinctive properties and applications, steel round bars consistently remain the preferred choice in terms of strength and reliability. Their ability to endure high loads, resist deformation, and maintain structural integrity positions them as a favored option for structural components, shafts, axles, and various other demanding applications.
- Q: How do you prevent steel round bars from rusting during transportation?
- To prevent steel round bars from rusting during transportation, there are several effective measures that can be taken. 1. Proper packaging: The first step is to ensure that the steel round bars are properly packaged. They should be securely wrapped and sealed in a moisture-resistant packaging material such as plastic or shrink wrap. This will create a barrier against moisture and prevent direct contact with air. 2. Desiccants: Including desiccants, such as silica gel packets or moisture-absorbing clay, inside the packaging can help in absorbing any moisture that may be present. These desiccants will help to maintain a dry environment around the steel bars, reducing the chances of rust formation. 3. VCI (Volatile Corrosion Inhibitor) packaging: VCI packaging is an effective method to prevent rust during transportation. VCI materials release a protective vapor that forms a thin protective layer on the steel surface, inhibiting corrosion. VCI films or papers can be used to wrap the steel round bars, providing a long-lasting rust protection. 4. Proper storage conditions: During transportation, it is important to store the steel round bars in a dry and well-ventilated environment. Avoid exposing them to rain, humidity, or extreme temperature fluctuations. If possible, store them in a covered and climate-controlled area to minimize the risk of rust formation. 5. Regular inspection and maintenance: Regularly inspect the steel round bars during transportation to ensure that the packaging remains intact and no moisture has seeped in. If any damage or signs of moisture are detected, immediate action should be taken to rectify the issue and prevent rust from spreading. By implementing these preventive measures, the risk of rust formation on steel round bars during transportation can be significantly reduced, ensuring that they reach their destination in optimal condition.
- Q: What are the advantages of using free-cutting steel round bars?
- There are several advantages to using free-cutting steel round bars. Firstly, they offer improved machinability, which means they can be easily and efficiently machined into various shapes and sizes without excessive tool wear or power consumption. This leads to increased productivity and reduced manufacturing costs. Additionally, free-cutting steel round bars have excellent chip formation properties, resulting in better surface finish and dimensional accuracy of the machined parts. They also exhibit enhanced surface hardness and wear resistance, making them suitable for applications that require durability and strength. Lastly, these bars are readily available and cost-effective, making them a preferred choice for many industries.
- Q: Are steel round bars corrosion-resistant?
- Yes, steel round bars can be corrosion-resistant depending on the type of steel used and any additional protective coatings or treatments applied.
- 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: What is the difference between gcr12 round bar and Cr12 round bar? Can it be used in general?
- The two are different in chemical composition.Cr12 is a widely used cold work die steel. It has high strength, good hardenability and good wear resistance, but its impact toughness is poor. The content of Cr was 11.50 ~ 13. The utility model is mainly used for cold punching dies and punches, cold cutting shears, drill sleeves, gauges, wire drawing dies, coining dies, drawing dies, drawing dies and thread rolling dies, which have the advantages of small impact load, high abrasion resistance, and high abrasion resistance.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
