Grade 12Cr1MoVG Alloy Steel / Tubular Steel Round Bar
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t
- Supply Capability:
- 10000 m.t/month
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Item specifice
Specifications of Round Bar
1.hot rolled black surface
2. fine mechanical performance
3. Delivery condition: Hot-rolled,black surface.
4. AISI/ASTM 4140,42CrMo4 Din1.7225,SCM440 JIS
Chemical Composition
C | Si | Mn | P | S | Cr | Mo |
0.38-0.45 | ≤0.4 | 0.6-0.9 | ≤0.035 | ≤0.030 | 0.9-1.2 | 0.15-0.30 |
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
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:What are the different surface hardening grades of special steel?
- There are several surface hardening grades of special steel, including case-hardening steels such as 1018, 8620, and 8620H, which are commonly used for applications requiring a hard outer layer and a tough core. Another grade is nitriding steel, such as 4140, 4340, and 410, which are specifically designed for nitriding processes to improve wear resistance. Additionally, tool steels like D2, A2, and O1 are often used for surface hardening applications due to their high hardness and wear resistance properties. Overall, the choice of surface hardening grade depends on the specific requirements of the application.
- Q:How is high-temperature steel used in the production of furnace components?
- High-temperature steel is used in the production of furnace components due to its exceptional heat resistance and strength. This type of steel can withstand extreme temperatures without losing its structural integrity, making it ideal for lining furnace walls, constructing heating elements, and manufacturing other critical parts that are exposed to intense heat.
- Q:What are the different joining methods used for special steel?
- The different joining methods used for special steel include welding, brazing, soldering, and mechanical fastening.
- Q:What are the applications of special steel in the food processing industry?
- Special steel is widely used in the food processing industry due to its unique properties. It is utilized for manufacturing various equipment and components that require high strength, corrosion resistance, and hygiene standards. Some applications include the production of food processing machinery, cutting tools, knives, blades, and containers. Special steel ensures durability, cleanliness, and safety, making it an indispensable material in the food processing industry.
- Q:Can special steel be used in high-pressure applications?
- Yes, special steel can be used in high-pressure applications. Special steel alloys, such as stainless steel or high-strength low-alloy steel, possess excellent mechanical properties and resistance to corrosion, making them suitable for withstanding high-pressure environments. These steels can maintain their structural integrity and perform reliably under extreme pressure conditions, making them a preferred choice in various industries, including oil and gas, aerospace, and chemical processing.
- Q:How does special steel resist oxidation?
- Special steel resists oxidation due to the presence of alloying elements, such as chromium, that form a protective layer of chromium oxide on the surface of the steel. This layer acts as a barrier, preventing oxygen from reaching the underlying steel and thus inhibiting the oxidation process.
- Q:What are the main applications of special steel in the automotive electrical systems?
- Special steel is widely used in automotive electrical systems for various applications. One of the main uses is in the production of electrical connectors and terminals, where special steel offers excellent conductivity and corrosion resistance. Additionally, special steel is utilized in the manufacturing of electrical contacts, relays, and switches, ensuring reliable and efficient performance in the automotive electrical systems.
- Q:What are the different methods for improving the magnetic properties of special steel?
- There are several methods that can be employed to improve the magnetic properties of special steel. 1. Heat Treatment: One common method is heat treatment, which involves subjecting the steel to specific heating and cooling processes. This can help to alter the atomic structure of the steel and enhance its magnetic properties. For example, annealing the steel at high temperatures followed by slow cooling can lead to the formation of a fine-grained microstructure, resulting in improved magnetic properties. 2. Alloying: Another approach is to add certain alloying elements to the steel. For instance, the addition of small amounts of elements like nickel, cobalt, or aluminum can significantly enhance the magnetic characteristics of the steel. These alloying elements can help to increase the saturation magnetization and improve the coercivity of the material. 3. Cold Working: Cold working, also known as cold deformation, involves subjecting the steel to mechanical stress at low temperatures. This process can cause the formation of dislocations and defects within the crystal structure of the steel, which can improve its magnetic properties. Cold working can lead to increased magnetization, improved permeability, and reduced hysteresis losses. 4. Grain Orientation: Another method is to align the grains of the steel in a specific direction. This can be achieved through processes like hot rolling or magnetic annealing. By aligning the grains, the steel can exhibit anisotropic magnetic properties, meaning it will have different magnetic characteristics depending on the direction of the applied magnetic field. 5. Surface Treatments: Surface treatments can also be employed to enhance the magnetic properties of special steel. Coatings like electroplating, electroless plating, or chemical vapor deposition can be used to modify the surface of the steel, leading to improved magnetic performance. These treatments can help to reduce eddy current losses, enhance corrosion resistance, and increase the magnetic permeability of the material. It is important to note that the choice of method for improving the magnetic properties of special steel depends on the specific requirements and desired characteristics. Each method has its advantages and limitations, and the selection should be made based on factors such as cost, feasibility, and the desired magnetic performance.
- Q:What are the different nitriding techniques used for special steel?
- There are several nitriding techniques used for special steel, including gas nitriding, salt bath nitriding, plasma nitriding, and ion nitriding. Each technique involves introducing nitrogen into the surface of the steel to improve its hardness, wear resistance, and corrosion resistance. Gas nitriding involves exposing the steel to ammonia gas at high temperatures, while salt bath nitriding immerses the steel in a bath of molten salts containing nitrogen. Plasma nitriding and ion nitriding both use electrical discharges to ionize nitrogen gas and accelerate it towards the steel surface. These techniques offer different levels of control over the nitriding process and can be tailored to meet specific requirements for different types of special steel applications.
- Q:What are the applications of special steel in the oil and gas manufacturing process?
- Special steel is widely used in the oil and gas manufacturing process for various applications. It is utilized in the construction of pipelines, offshore platforms, and equipment such as valves, pumps, and compressors. The high strength and corrosion resistance of special steel make it suitable for handling extreme conditions, such as high pressure and temperature environments, as well as corrosive substances like drilling fluids and sour gases. Additionally, special steel is employed in the fabrication of storage tanks and vessels, ensuring durability and preventing leakage or failure. Overall, the applications of special steel in the oil and gas industry contribute to enhanced safety, efficiency, and longevity of the manufacturing process.
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Grade 12Cr1MoVG Alloy Steel / Tubular Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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