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 does special steel contribute to the renewable energy industry?
- Special steel contributes to the renewable energy industry by providing durable and high-performance materials for various applications. It is used in the construction of wind turbines, solar panels, and hydroelectric power plants, enhancing their efficiency and longevity. Special steel also plays a crucial role in the manufacturing of energy storage systems, such as batteries, ensuring their reliability and safety. Overall, special steel enables the renewable energy sector to achieve higher energy output, reduce carbon emissions, and accelerate the global transition to sustainable sources of power.
- Q: How is high-temperature steel used in power generation equipment?
- High-temperature steel is used in power generation equipment due to its exceptional heat resistance properties. It is specifically employed in components such as boiler tubes, turbine blades, and exhaust systems, where intense heat and pressure are present. This steel's ability to withstand extreme temperatures ensures efficient energy conversion and maximizes the overall performance and reliability of power generation equipment.
- Q: What are the different types of case-hardening steel?
- There are several types of case-hardening steels, including carburizing steels, nitriding steels, cyaniding steels, and induction hardening steels.
- Q: Can special steel be used in the battery manufacturing industry?
- Yes, special steel can be used in the battery manufacturing industry. Special steel is often used in battery production for various purposes, such as in the construction of battery casings, terminals, and other components. Its high strength, durability, and resistance to corrosion make it suitable for ensuring the safety and longevity of batteries.
- Q: What are the advantages of using special steel in manufacturing?
- Special steel in manufacturing offers several advantages. Firstly, it provides a higher level of strength and durability compared to regular steel. This is because of the presence of alloying elements, like chromium, nickel, and manganese, which enhance its mechanical properties. As a result, special steel can withstand heavy loads, resist wear and tear, and endure extreme conditions, making it ideal for manufacturing applications requiring strength and longevity. Secondly, special steel exhibits excellent corrosion resistance. The addition of elements like chromium forms a protective oxide layer on the steel's surface, preventing rusting and corrosion when exposed to moisture or harsh environments. This corrosion resistance is crucial in industries such as marine, automotive, and construction, where materials face constant exposure to water, salt, and chemicals. Furthermore, special steel possesses exceptional heat resistance and heat transfer properties. These properties are vital in manufacturing processes involving high temperatures, such as forging, casting, and heat treatment. Special steel retains its strength and structural integrity even at elevated temperatures, enabling the production of components capable of withstanding extreme heat conditions. Another advantage of using special steel in manufacturing is its versatility. It can be easily customized and tailored to specific requirements. Manufacturers can modify it to exhibit various mechanical properties, including hardness, toughness, or flexibility, depending on the application. This flexibility allows for the development of components with precise characteristics, ensuring optimal performance and efficiency. Lastly, special steel proves to be more cost-effective in the long run. Although initial costs may be higher than regular steel, its superior durability and longevity result in reduced maintenance and replacement costs. Additionally, the enhanced properties of special steel can lead to improved energy efficiency and reduced material waste, contributing to overall cost savings in the manufacturing process. In conclusion, the utilization of special steel in manufacturing brings forth benefits such as increased strength and durability, excellent corrosion resistance, superior heat resistance, versatility, and long-term cost-effectiveness. These advantages make it the preferred choice for various industries, guaranteeing the production of high-quality and reliable components.
- Q: What are the different coating options available for special steel?
- Some of the different coating options available for special steel include galvanizing, powder coating, electroplating, and organic coatings such as epoxy or polyurethane. These coatings provide protection against corrosion, enhance durability, and improve the aesthetics of the 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. It is commonly used in the construction of high-rise buildings, bridges, and other structures that require high load-bearing capacity and resistance to extreme conditions. The unique properties of ultra-high-strength steel, including its exceptional strength and durability, allow for the creation of lighter and more efficient structures. This steel is often used in critical components such as beams, columns, and trusses, enabling the construction of taller and more complex structures with enhanced safety and longevity.
- Q: Can special steel be used in the aerospace parts manufacturing industry?
- Yes, special steel can be used in the aerospace parts manufacturing industry. Special steel alloys are often chosen for their superior strength, corrosion resistance, and high-temperature performance, making them ideal for aerospace applications where durability and reliability are crucial.
- Q: What are the different surface coatings applied to special steel?
- To enhance the performance and protect special steel from various environmental factors, there exist several surface coatings that can be applied. Some common options are as follows: 1. Galvanization: By applying a layer of zinc to the steel surface, galvanization provides exceptional corrosion resistance and prevents rusting. 2. Powder coating: This technique involves electrostatically spraying a dry powder onto the steel surface, which is then cured under heat. The result is a durable, decorative coating that offers excellent resistance to impact, abrasion, and corrosion. 3. Paint coating: Steel can be coated with a variety of paints, including epoxy, acrylic, polyurethane, and enamel. These coatings not only enhance the steel's appearance but also protect against corrosion and weathering. 4. Chrome plating: This process electroplates a thin layer of chromium onto the steel surface, providing excellent resistance to corrosion, wear, and abrasion. It is suitable for harsh environments. 5. Ceramic coating: Ceramic coatings can be applied using thermal spraying or plasma spraying methods. They offer high-temperature resistance, abrasion resistance, and excellent thermal insulation. As a result, they are used in industries such as aerospace and automotive. 6. Anodizing: Though commonly used for aluminum, anodizing can also be applied to certain special steel types. It involves creating an oxide layer on the steel surface through an electrochemical process. Anodizing enhances corrosion resistance and can be used for decorative purposes. These examples represent just a few of the available surface coatings for special steel. The selection of a coating depends on specific application requirements, such as corrosion resistance, wear resistance, temperature resistance, and aesthetic appearance.
- Q: How does alloy steel improve the strength and toughness of steel?
- Alloy steel improves the strength and toughness of steel by adding specific elements, such as manganese, chromium, nickel, or molybdenum, to the base iron. These alloying elements create atomic interactions within the steel matrix that enhance its properties. They help to refine the grain structure, increase hardenability, and improve resistance to wear, corrosion, and fatigue. By modifying the composition, alloy steel can achieve a balanced combination of strength, toughness, and other desirable characteristics, making it more suitable for various applications.
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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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