Grade AISI 4140,42CrMo, SCM440 Alloy Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
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Specification
Specifications of Round Bar
Produce Standard: GB, AISI, ASTM, SAE, EN, BS, DIN, JIS
Produce Processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate
Heat Treatment; Normalized / Annealed / Quenched+Tempered
Quality Assurance:All order we can received third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.
Equivement Grade
GB | 20# | 35# | 45# | 20Cr | 40Cr | 35CrMo | 42CrMo | GCr15 | 60Si2MnA | 65Mn |
AISI | 1020 | 1035 | 1045 | 5120 | 5140 | 4135 | 4140 | 52100 | 9260 | 1065 |
JIS | s20c | s35c | s45c | scr435 | scr440 | scm435 | scm440 | suj2 | sup7 | - |
DIN | c20 | c35 | c45 | 20cr4 | 41cr4 | 35crmo4 | 42crmo4 | 100cr6 | 65si7 |
|
Chemical Composition
Grade | Dia.(mm) | C | Si | Mn | Cr | P | S | Ni | Cu | Mo |
1020 | 16-280 | 0.17-0.25 | 0.17-0.37 | 0.35-0.65 | ≤0.15 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 |
|
1035 | 16-300 | 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 |
|
1045 | 16-430 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 |
|
5120 | 16-85 | 0.18-0.24 | 0.17-0.37 | 0.50-0.80 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 |
|
5140 | 16-400 | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.03 |
|
4135 | 13-230 | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 | 0.15-0.25 |
4140 | 13-360 | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 | 0.15-0.25 |
52100 | 21-400 | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | 1.30-1.65 | ≤0.027 | ≤0.02 | ≤0.30 | ≤0.025 | ≤0.10 |
9260 | 20-60 | 0.56-0.60 | 1.50-2.00 | 0.60-0.90 | ≤0.35 | ≤0.035 | ≤0.035 | ≤0.35 | ≤0.20 |
|
1566 | 16-80 | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 |
|
Our Featured Products
Alloy steel: Combination of steel / Bearing steel// Spring steel/ Cr- mo steel
GB 20Cr/ 40Cr / 42CrMo / 35CrMo/ 20CrMn/GCr15/30CrMnTi…
ASTM 5120 /5140 / 4140/ 4135/ 5152/52100…
JIS SCr420H/ SCr440/ SCM3/ SUP9/SUJ2…
Carbon steel: Carbon tool steel /Carbon Structural Steel
GB 20/ 35 /45/…
ASTM 1020/ 1030/1045…
JIS S20C/ S30C / S45C…
Usage and Applications of Round Bar
1. Chinese standard steel bar is often used where large amounts of steel need to be formed, for example as structural steel.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Steel round bar is used in construction and a large number of architectural and engineering structures.
Packaging & Delivery of 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: 15~45 days
Trade terms: FOB, CFR, CIF
MOQ: 30 metric tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: Theprice 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.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: 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.
Q3: How soon can we receive the product after purchase?
A3: 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.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q5: Can stainless steel rust?
A5: 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: How is special steel used in the production of heat exchangers?
- Special steel, with its unique properties, finds extensive application in the production of heat exchangers. These devices are designed to transfer heat between different mediums, and special steel offers several advantages in this process. To begin with, the thermal conductivity of special steel is exceptional, allowing for efficient heat transfer between fluids. This characteristic is vital for heat exchangers as it enables the rapid and effective exchange of thermal energy. Moreover, special steel exhibits high resistance to corrosion, making it highly suitable for heat exchanger applications. Since heat exchangers often come into contact with corrosive fluids or gases, regular steel may deteriorate over time. However, special steel is specifically engineered to resist corrosion, ensuring the durability and reliability of the heat exchanger. Furthermore, special steel possesses remarkable strength and durability, enabling heat exchangers to withstand high pressures and temperatures. Given that heat exchangers frequently operate in challenging environments, special steel can endure these harsh conditions without compromising its structural integrity. Additionally, special steel offers excellent weldability and formability, simplifying the manufacturing of intricate heat exchanger designs. Its versatility allows for the production of heat exchangers in various shapes and sizes, catering to the specific requirements of different industries. In conclusion, special steel is an ideal material for heat exchanger applications due to its high thermal conductivity, corrosion resistance, strength, durability, weldability, and formability. These properties ensure efficient heat transfer, resistance to corrosion, and the ability to withstand harsh operating conditions.
- Q: How does special steel perform in terms of electrical resistivity?
- Special steel typically has a relatively high electrical resistivity, which means it offers greater resistance to the flow of electric current compared to other materials. This property makes special steel useful in applications where low electrical conductivity is required, such as in electrical resistors or magnetic cores.
- Q: What are the main applications of special steel in the power distribution industry?
- The main applications of special steel in the power distribution industry include the manufacturing of power transmission towers, transformers, and various high voltage equipment. Special steel is used due to its excellent strength, durability, and resistance to corrosion, which are crucial qualities for ensuring the reliability and efficiency of power distribution systems.
- Q: What are the main factors affecting the hardness of special steel?
- The main factors affecting the hardness of special steel include the composition of the steel, the heat treatment process, the grain size of the steel, and the presence of impurities or inclusions.
- Q: Can special steel be used in the manufacturing of tools?
- Yes, special steel can be used in the manufacturing of tools. Special steel, also known as alloy steel, is specifically designed to have enhanced properties such as high strength, hardness, and resistance to wear and corrosion. These characteristics make it an ideal material for the production of durable and high-performance tools used in various industries, including automotive, construction, and machinery.
- Q: How does the composition of special steel affect its properties?
- The composition of special steel significantly affects its properties. By varying the levels of elements such as carbon, manganese, chromium, and nickel, the steel can be tailored to possess specific characteristics. For example, increasing carbon content enhances hardness and strength, while adding chromium improves corrosion resistance. Additionally, the presence of different alloying elements can influence machinability, ductility, and toughness. Therefore, the composition of special steel plays a crucial role in determining its desired properties for various applications.
- Q: What are the different welding methods used for special steel?
- There exists a range of welding methods that can be utilized for special steel, contingent upon the specific needs of the project. Some of the commonly employed welding methods for special steel comprise the following: 1. Gas Metal Arc Welding (GMAW): Also known as MIG welding, this technique employs a consumable electrode and a shielding gas to safeguard the weld against atmospheric contamination. GMAW is advantageous for welding special steel due to its ability to produce high-quality welds with minimal spatter. 2. Gas Tungsten Arc Welding (GTAW): Also known as TIG welding, this method employs a non-consumable tungsten electrode and a shielding gas to protect the weld. GTAW is frequently employed for special steel as it allows for precise control during the welding process, resulting in defect-free, high-quality welds. 3. Shielded Metal Arc Welding (SMAW): Also known as stick welding, this technique utilizes a consumable electrode coated in flux to shield the weld. SMAW is widely employed for special steel due to its versatility and portability, making it suitable for various positions and environments. 4. Flux-cored Arc Welding (FCAW): This method employs a tubular electrode filled with flux to safeguard the weld. FCAW is often utilized for special steel due to its ability to achieve high deposition rates and deep penetration, making it suitable for thicker materials. 5. Submerged Arc Welding (SAW): This technique employs a continuously fed wire electrode and a granular flux applied around the weld. SAW is commonly used for special steel as it can produce high-quality welds in thick sections. It is crucial to consider various factors, such as the type and thickness of the steel, the desired weld quality, and the specific application requirements, when selecting the appropriate welding method for special steel. Therefore, it is advisable to consult with welding professionals or engineers to determine the most suitable method for a particular project involving special steel.
- Q: How is ultra-high-strength steel used in the construction industry?
- Ultra-high-strength steel is used in the construction industry for various applications, primarily in the form of structural elements. This type of steel, which has exceptional strength and durability, allows for the design of lighter and more efficient structures. It is commonly used in the construction of high-rise buildings, bridges, and other infrastructure projects where the ability to withstand heavy loads and extreme conditions is crucial. Additionally, ultra-high-strength steel is often used in the fabrication of reinforcing bars, precast concrete elements, and in the construction of offshore platforms, providing enhanced safety and resilience to these structures.
- Q: How does special steel perform under low temperatures?
- Special steel performs well under low temperatures due to its high ductility, toughness, and resistance to brittleness. It retains its strength and structural integrity, making it ideal for applications in extreme cold environments such as cryogenic storage, sub-zero manufacturing, and Arctic exploration.
- Q: How does special steel contribute to the automotive industry?
- Special steel plays a crucial role in the automotive industry by providing high strength, durability, and corrosion resistance properties, which are essential for various automotive components. This type of steel is used in manufacturing critical components such as engine parts, chassis, suspension systems, and safety features like airbags and seatbelt mechanisms. It not only improves the overall performance and safety of vehicles but also helps in reducing weight, enhancing fuel efficiency, and meeting stringent emission standards.
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Grade AISI 4140,42CrMo, SCM440 Alloy Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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