Steel Round Bar 5-28mm Hot Rolled GB Q235 Q195
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
customize
Steel Grade:
Q195,Q235,customize
Certification:
ISO,SGS,BV
Thickness:
customize
Length:
customize
Net Weight:
customize
High Quality Round Bar 5-28mm Hot Rolled GB Q235 Q195
Product Applications:
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.
Product Advantages:
OKorder's High Quality Round Bar 5-28mm Hot Rolled GB Q235 Q195are 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
- Q: What are the different types of corrosion-resistant steel round bars?
- In the market, one can find a variety of corrosion-resistant steel round bars. The most commonly used types are as follows: 1. Stainless Steel Round Bars: Stainless steel is a popular choice when it comes to applications that require resistance to rust and corrosion. Its high resistance stems from the presence of chromium, which creates a protective oxide layer on the steel's surface, effectively preventing further corrosion. 2. Duplex Stainless Steel Round Bars: Duplex stainless steel is a unique type of stainless steel that combines austenite and ferrite microstructures in a balanced manner. This combination grants it exceptional corrosion resistance, high strength, and excellent weldability. 3. Nitronic Stainless Steel Round Bars: Nitronic stainless steel is an alloy known for its exceptional performance. It offers superior corrosion resistance, high strength, and good ductility. The presence of nitrogen further enhances its ability to resist pitting and crevice corrosion. 4. Alloy Steel Round Bars: Alloy steel refers to steel that has been alloyed with various elements in order to enhance its properties. Some alloy steels, including corrosion-resistant alloys (CRA), are specifically designed to withstand corrosion in harsh environments. These alloys typically contain elements such as chromium, nickel, and molybdenum. 5. Aluminum Round Bars: Although not technically steel, aluminum round bars are commonly used in applications where corrosion resistance is crucial. Aluminum forms a protective oxide layer on its surface, effectively preventing corrosion. It is particularly suitable for applications where weight is a concern. 6. Copper-Nickel Round Bars: Copper-nickel alloys, such as Cu-Ni 90/10 and Cu-Ni 70/30, are extensively utilized in marine and offshore applications due to their excellent resistance to seawater corrosion. These alloys possess high strength, good ductility, and exceptional resistance to biofouling. These examples represent only a fraction of the corrosion-resistant steel round bars available in the market. The choice of material depends on specific application requirements, environmental conditions, and budget considerations. Consulting a materials engineer or specialist is crucial in selecting the most suitable corrosion-resistant steel round bar for a particular application.
- Q: Can steel round bars be used in the electronics industry?
- Yes, steel round bars can be used in the electronics industry. They are commonly used for various applications such as providing structural support, heat dissipation, and grounding in electronic devices and equipment. Additionally, steel round bars offer excellent strength, durability, and conductivity, making them suitable for use in the electronics industry.
- Q: How about tempering No. 45 round bar?
- During quenching and tempering, the whole section of the workpiece is quenched and the microstructure of the workpiece is obtained with fine acicular quenched martensite. By tempering at high temperature, the microstructure with uniform tempered bainite is obtained. It is impossible for a small factory to do metallographic analysis of each furnace. It is generally used only for hardness testing. That is to say, the hardness of the quenched material must be reached by the quenching hardness of the material, and the hardness after tempering shall be checked according to the requirements of the drawing.
- Q: What are the advantages of using zinc-alloy steel round bars?
- Zinc-alloy steel round bars offer numerous benefits: 1. Enhanced corrosion resistance: The application of a zinc layer to these bars forms a protective barrier against corrosion, ensuring longevity and durability. As a result, they are highly resistant to rust and other types of corrosion. 2. Increased strength and durability: Zinc-alloy steel is renowned for its exceptional strength and durability. The zinc coating strengthens the steel's structure, enabling it to withstand heavy loads and high-stress conditions. Consequently, zinc-alloy steel round bars are ideal for applications that require reliability and strength. 3. Cost-effective solution: Compared to other materials that resist corrosion, zinc-alloy steel round bars are a cost-effective option. The zinc coating provides a more affordable alternative to pricey metals like stainless steel, offering comparable corrosion resistance and strength. 4. Versatility and ease of fabrication: Zinc-alloy steel round bars are incredibly versatile as they can be easily shaped and resized to suit various applications. They can be cut, bent, welded, and machined to meet specific requirements, making them suitable for use in the construction, automotive, industrial, and other sectors. 5. Aesthetically pleasing: The shiny and smooth zinc coating of zinc-alloy steel round bars enhances their visual appeal. Consequently, they are well-suited for applications where aesthetics play a crucial role, such as architectural designs or decorative elements. 6. Environmental sustainability: Zinc is a highly recyclable material, and the utilization of zinc-alloy steel round bars promotes environmental sustainability. By recycling these bars at the end of their lifespan, the demand for new raw materials is reduced, thereby minimizing waste generation. In conclusion, zinc-alloy steel round bars offer a range of advantages, including corrosion resistance, strength, cost-effectiveness, versatility, aesthetic appeal, and environmental sustainability. These qualities make them highly desirable for diverse industries and applications.
- Q: How do you prevent steel round bars from rusting during storage?
- To prevent steel round bars from rusting during storage, it is important to keep them in a dry environment with low humidity. Applying a coating of protective oil or wax can also help create a barrier against moisture and prevent rust formation. Additionally, storing the bars off the ground and away from direct contact with concrete or other materials that may cause corrosion can further prevent rusting. Regular inspections and maintenance are crucial to ensure the bars remain rust-free.
- Q: What is the difference between a rough turned and a seamless steel round bar?
- A rough turned steel round bar refers to a metal bar that has undergone a preliminary turning process, where excess material is removed to achieve a rougher surface finish. This process helps to create a more uniform diameter and removes any surface imperfections or irregularities. Rough turned bars are commonly used in applications where a smooth surface finish is not a requirement, such as in manufacturing machinery or agricultural equipment. On the other hand, a seamless steel round bar is a solid metal bar that is formed without any welding or seams. It is manufactured through a process called piercing, where a solid billet is heated and then pierced with a mandrel to create a hollow tube. The tube is then elongated and reduced in diameter through a series of rolling and drawing processes until it reaches the desired dimensions. Seamless round bars are known for their superior strength and resistance to corrosion, making them suitable for applications where a high level of performance is required, such as in the oil and gas industry or automotive manufacturing. In summary, the main difference between a rough turned and a seamless steel round bar lies in their manufacturing processes and surface finishes. Rough turned bars are created by removing excess material to achieve a rougher surface finish, while seamless bars are formed without any welding or seams, resulting in a smooth and continuous surface.
- Q: What is the difference between a smooth and a ribbed steel round bar?
- A smooth steel round bar is a solid cylindrical piece with a smooth surface, whereas a ribbed steel round bar has raised ridges or ribs along its length. The ribs on a ribbed bar provide better grip and adherence when used in construction and reinforcement applications, while the smooth bar is often used in applications where a sleek and polished appearance is desired.
- Q: Can steel round bars be used for making security grilles?
- Yes, steel round bars can be used for making security grilles. The strength and durability of steel make it an excellent choice for security applications, providing protection and ensuring the safety of premises.
- Q: Can steel round bars be used in the manufacturing of tools?
- Indeed, tools can be manufactured using steel round bars. The utilization of steel round bars in tool manufacturing is prevalent owing to their exceptional strength, endurance, and adaptability. These bars furnish the essential structural stability and resilience essential for a variety of tools, including wrenches, hammers, chisels, and screwdrivers. The circular form of the bar facilitates effortless machining and formation into diverse tool constituents. Moreover, steel round bars can undergo heat treatment to augment their hardness and resistance to wear, rendering them suitable for demanding and high-achieving tool applications.
- Q: Can steel round bars be used in the automotive manufacturing industry?
- Yes, steel round bars can be used in the automotive manufacturing industry. They are often utilized for various applications, such as the production of engine components, suspension systems, and structural parts. Steel round bars offer excellent strength, durability, and machinability, making them suitable for meeting the demanding requirements of the automotive industry.
Send your message to us
Steel Round Bar 5-28mm Hot Rolled GB Q235 Q195
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
