Mild Steel SS400 Q235 Steel A36 Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Mild Steel SS400 Q235 Steel A36 Carbon Steel
Product Information:
Section shape:Round,square,hexagonal,flat,angle
Surface:Black painted,galvanized
Specifications:Round bar
Diameter: 4mm~800mm
Square bar
Size: 4mm*4mm~100mm*100mm
Length:5.8m,6m,11.8m,12m or as required.
Package:Bundled,wooden box for export standard package.
Application:Carbon steel rod applies to chemical industry, shipping industry,
manufacturing industry,construction,decorate Industry,electric
power,pump shafts, sanitary wares,furniture handles,boiler,high
temperature resistant,low temperature resistant, corrosion resistant.
Product Overviews:
| Product Name | Typical Grades | Diameter(mm) | Standard adopted |
| Carbon Steel | 20 (1020/S20C/C22) | Ø16-Ø300 | GB/SAE/JIS/DIN |
| 40 (1040/S40C/C40) | |||
| 45 (1045/S45C/C45) | |||
| Bearing Steel | GCr9 (51100/SUJ1) | Ø12-Ø250 | |
| GCr15 (52100/SUJ2/100Gr6) | |||
| GCr9SiMn (A485-Gr.1/SUJ3) | |||
| Cr-Mo Steel | 20Cr (5120/SCr420H/20Cr4) | Ø12-Ø250 | |
| 40Cr (5140/SCr440/41Cr4) | |||
| 42CrMo(4140/SCM440/42CrMo4) | |||
| Gear Steel | 20CrNiMo | Ø16-Ø600 | |
| 20CrMn(5115/SMnC420/20MnCr5) | |||
| 20CrNiMo(8620/SNCM220/20CrMiMo2) |
Product Show:
Our Advantages:
· Industry experience over 20 years.
· Shipment of goods -More than 70 countries worldwide.
· The most convenient transport and prompt delivery.
· Competitive price with best service.
· High technical production line with top quality products.
· High reputation based on best quality products.
With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.
Communication, Experience, Expertise and Best efforts are our Promises to you.
- Q: What are the common challenges in machining titanium alloys?
- Successful and efficient results in machining titanium alloys require addressing several common challenges. One primary challenge is the inherent strength and hardness of the material. Titanium alloys are renowned for their excellent strength-to-weight ratio, making them ideal for various applications. However, this same strength makes them difficult to machine. The high strength of titanium alloys increases the cutting forces needed during machining, resulting in faster tool wear and reduced tool life. This necessitates the use of robust cutting tools made from carbide or ceramic, capable of withstanding demanding conditions and maintaining cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic leads to rapid heat buildup during cutting, causing localized high temperatures. These high temperatures can cause thermal damage to both the cutting tool and the workpiece, reducing dimensional accuracy and surface finish. To overcome this challenge, implementing effective cooling and lubrication techniques, such as using coolant or high-pressure air, is crucial to dissipate heat and prevent overheating. Furthermore, machining titanium alloys often results in the generation of built-up edge (BUE). BUE refers to the accumulation of workpiece material on the cutting tool, leading to poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use appropriate cutting speeds and feed rates, as well as cutting fluids that aid in chip evacuation and prevent material adhesion on the tool. Additionally, titanium alloys react strongly with oxygen, causing the formation of a stubborn oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that efficiently remove material while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can result in workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, machining titanium alloys presents challenges such as high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome by using appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
- Q: What are the applications of special steel in the manufacturing sector?
- Special steel has numerous applications in the manufacturing sector due to its exceptional properties. It is commonly used in industries such as automotive, aerospace, construction, and machinery manufacturing. Special steel is utilized for manufacturing high-performance components, tools, and machinery parts that require superior strength, durability, and resistance to wear and corrosion. Its applications range from manufacturing gears, shafts, bearings, and springs to constructing bridges, buildings, and pipelines. Additionally, special steel finds use in the production of cutting tools, molds, and dies, further enhancing the efficiency and precision of manufacturing processes.
- Q: What are the limitations of using special steel?
- Some limitations of using special steel include its high cost compared to regular steel, limited availability due to specific alloy compositions, and the need for specialized knowledge and equipment to work with it. Additionally, special steel may have lower ductility and toughness compared to other materials, making it less suitable for certain applications that require high impact resistance or flexibility.
- Q: What are the different coating and plating options for special steel?
- There are various coating and plating options available for special steel, depending on the desired outcome and application. Some common options include electroplating with metals like nickel, zinc, or chrome for enhanced corrosion resistance, as well as hot-dip galvanizing to provide a thick layer of zinc coating. Other options include powder coating, which offers durability and a wide range of colors, and PVD (Physical Vapor Deposition) coating, which provides a thin, protective layer using vaporized materials like titanium or chromium. Additionally, specialized coatings like Teflon or ceramic coatings can be applied for increased non-stick properties or heat resistance. Ultimately, the choice of coating or plating depends on the specific requirements and performance expectations for the special steel.
- Q: What are the different heat treatment processes for special steel?
- There are several heat treatment processes for special steel, including annealing, quenching, tempering, and normalizing. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to enhance its ductility and reduce internal stresses. Quenching is a rapid cooling process that involves immersing the steel in a liquid, such as water or oil, to increase its hardness and strength. Tempering is a process that follows quenching, where the steel is heated to a lower temperature and then cooled, which helps to relieve internal stresses and improve toughness. Normalizing is a process similar to annealing, but the steel is air-cooled instead of being slowly cooled, resulting in a more refined grain structure and improved mechanical properties.
- Q: How are tungsten alloys used in the defense industry?
- Tungsten alloys are commonly used in the defense industry due to their exceptional properties such as high density, strength, and resistance to heat and corrosion. These alloys are used in various applications including armor piercing ammunition, kinetic energy penetrators, and armor plating for military vehicles and aircraft. Their ability to withstand extreme conditions and penetrate hardened targets make tungsten alloys vital for enhancing the effectiveness and protection capabilities of defense systems.
- Q: What are the main factors affecting the creep resistance of special steel?
- The creep resistance of special steel is determined by several factors, namely composition, microstructure, and processing conditions. The creep resistance is greatly affected by the composition of the steel. The presence of alloying elements like chromium, molybdenum, and vanadium can enhance creep resistance by forming stable precipitates or carbides that impede the movement of dislocations. These alloying elements also contribute to the formation of a protective oxide layer, which further improves resistance to creep. Microstructure is another crucial factor in determining creep resistance. Proper heat treatment or alloying can lead to the formation of fine-grained structures, which hinder dislocation movement and enhance material strength, thereby improving creep resistance. Grain boundaries also act as barriers to dislocation motion, reducing the rate of creep. Processing conditions, such as heat treatment and deformation processes, have a significant impact on creep resistance. The choice of heat treatment parameters, including temperature and cooling rate, can affect the precipitation of strengthening phases and the formation of an ideal microstructure. Appropriate deformation processing, such as hot or cold working, can refine the grain structure and enhance creep resistance. Temperature, stress, and time are additional factors that influence creep resistance. Higher temperatures accelerate creep deformation, while higher applied stresses increase the rate of creep. The duration of exposure to elevated temperatures and stresses also plays a role, as prolonged exposure can lead to creep failure. To summarize, the creep resistance of special steel is influenced by various factors, including composition, microstructure, processing conditions, temperature, stress, and time. By carefully considering and optimizing these factors, the creep resistance of special steel can be enhanced, making it suitable for applications that require high temperatures and long-term durability.
- Q: What are the requirements for special steel used in surgical instruments?
- The requirements for special steel used in surgical instruments include high corrosion resistance, excellent mechanical properties, biocompatibility, and the ability to be sterilized without compromising its structure or properties. Additionally, the steel must be easy to shape and form, maintain its sharpness, and have a low risk of causing allergic reactions in patients.
- Q: How does special steel perform in high-speed applications?
- Special steel performs exceptionally well in high-speed applications. Its unique composition and properties, such as high strength, hardness, and toughness, allow it to withstand extreme conditions, including high temperatures, vibrations, and stresses. This ensures reliable performance, minimal wear, and extended service life, making special steel an ideal choice for high-speed applications where precision, durability, and efficiency are critical.
- Q: What are the main advantages of using special steel in the automotive racing industry?
- The main advantages of using special steel in the automotive racing industry include its high strength-to-weight ratio, superior durability, and improved performance. Special steel alloys offer increased tensile strength and toughness, allowing for lighter and more rigid components, which contribute to higher speeds and improved handling. Additionally, special steel's resistance to wear and fatigue ensures better reliability and longevity of critical parts, reducing the risk of failures and costly repairs.
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Mild Steel SS400 Q235 Steel A36 Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 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
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