42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
Product Description:
1. Sizes: Diameter: 16mm-300mm; Length: 6m, 9m, 12m
2. Grade: 42CrMo, 4140,42CrMov4
3. Invoicing on theoretical weight or actual weight as customer’s request
4. Shape: Round bar, solid bar of steel with circular section
5. Technique: Hot rolled, forged, cold rolled
Specification:
Material | 42CrMo4 | Round bar | Dia(mm) | 16-600 |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12000 | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500 |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200 | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12000 |
Chemical Composition:
C | Si | Mn | Cr | Ni | Cu |
0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.9-1.2 | ≤0.030 | ≤0.030 |
Packing and Delivery:
Packing in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: Approx.45 days
Usage and Applications:
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some especial material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Product Show:
- Q: How does special steel contribute to the automotive emission reduction?
- Special steel contributes to automotive emission reduction in several ways. Firstly, special steel can be used in the manufacturing of lightweight components, such as body frames and engine parts. These lightweight components help reduce the overall weight of the vehicle, leading to improved fuel efficiency and lower emissions. Additionally, special steel can be utilized in the construction of exhaust systems, which are designed to effectively reduce harmful emissions. Special steel's high strength and corrosion resistance properties make it an ideal material for these components, ensuring their durability and effectiveness in reducing emissions. Overall, the use of special steel in the automotive industry plays a significant role in achieving emission reduction targets and promoting a more sustainable future.
- Q: What are the typical mechanical properties of special steel?
- The typical mechanical properties of special steel can vary depending on the specific grade and composition. However, some common characteristics include high tensile strength, good ductility, excellent hardness, and resistance to wear and corrosion. Special steels often exhibit superior toughness, heat resistance, and high fatigue strength, making them suitable for demanding applications in industries such as aerospace, automotive, and construction.
- Q: What are the different mechanical properties of special steel?
- Special steels have a variety of mechanical properties that make them unique and suitable for specific applications. Some of the key mechanical properties of special steel include high strength, excellent toughness, good wear resistance, and superior corrosion resistance. High strength is one of the most important properties of special steel. It allows the material to withstand heavy loads and stress without deformation or failure. This property makes special steel suitable for applications where structural integrity and durability are critical, such as in the construction of buildings, bridges, and machinery. Another significant mechanical property of special steel is its toughness. Toughness refers to the ability of a material to absorb energy and resist fracture under impact or sudden loads. Special steels with high toughness are essential for applications that involve dynamic and high-impact forces, such as in the manufacturing of tools, gears, and machinery components. Wear resistance is another important mechanical property of special steel. It refers to the ability of a material to resist damage and deterioration due to friction, abrasion, or erosion. Special steel with good wear resistance is commonly used in applications where it will be subjected to harsh conditions or repetitive mechanical actions, such as in the production of cutting tools, dies, and molds. Superior corrosion resistance is a valuable mechanical property of special steel, especially in environments where exposure to moisture, chemicals, or extreme temperatures is likely. Special steels with high corrosion resistance can withstand the deteriorating effects of oxidation, rust, and chemical reactions, making them suitable for applications in industries such as marine, chemical, and oil and gas. In summary, special steels possess a range of mechanical properties that set them apart from conventional steels. High strength, excellent toughness, good wear resistance, and superior corrosion resistance are some of the key mechanical properties that make special steel a preferred choice for various industrial applications.
- Q: Is special steel suitable for manufacturing precision components?
- Yes, special steel is highly suitable for manufacturing precision components. Special steel is a type of steel that is specifically engineered to possess exceptional properties, such as high strength, hardness, and resistance to wear, corrosion, and heat. These characteristics make it an ideal choice for manufacturing precision components that require tight tolerances, accuracy, and reliability. The inherent strength and hardness of special steel allow for the production of durable and long-lasting precision components. This is particularly important in industries where components are subjected to high stress and heavy loads, such as aerospace, automotive, and machinery manufacturing. Special steel's resistance to wear and corrosion ensures that the precision components can withstand harsh operating environments and maintain their functionality over time. Furthermore, special steel's excellent heat resistance makes it suitable for precision components that are exposed to elevated temperatures. This is especially relevant in industries like aerospace and power generation, where components need to withstand extreme heat without compromising their performance. Special steel also offers excellent machinability, which is crucial for manufacturing precision components with intricate designs and complex geometries. It can be easily shaped, cut, and formed into various shapes and sizes, allowing for the production of intricate and precise components. Overall, the unique properties of special steel, including high strength, hardness, resistance to wear, corrosion, and heat, as well as excellent machinability, make it highly suitable for manufacturing precision components. Its use ensures the production of high-quality components that meet the strict requirements of precision applications.
- Q: What are the different types of nitriding steel?
- There are mainly two types of nitriding steel: gas nitriding steel and plasma nitriding steel.
- Q: How does special steel perform in high-temperature oxidation?
- Special steel is specifically designed to have excellent performance in high-temperature oxidation. It has the ability to resist oxidation and maintain its mechanical properties even at elevated temperatures, making it highly reliable and durable in such conditions.
- Q: What are the different methods of heat treatment for special steel?
- Special steel can undergo various heat treatment methods, each designed to enhance specific properties. These methods are as follows: 1. Annealing: By heating the steel to a specific temperature and gradually cooling it, typically in a controlled atmosphere, annealing helps relieve internal stresses, improve machinability, and soften the steel for further processing. 2. Normalizing: This process involves heating the steel above its critical temperature and then air cooling it in still air. Normalizing refines the grain structure, improves mechanical properties, and enhances strength and toughness. 3. Quenching: By rapidly cooling the steel from a high temperature using quenching mediums like oil, water, or brine, quenching creates a hard and brittle structure called martensite. This increases the steel's hardness and wear resistance. 4. Tempering: After quenching, the steel is reheated to a specific temperature and held there for a certain period, followed by air cooling. Tempering reduces the brittleness caused by quenching, improving toughness, ductility, and impact resistance. 5. Austempering: This method involves quenching the steel from a high temperature and then holding it at a specific temperature for an extended period. Austempering produces a structure called bainite, which offers a combination of strength, toughness, and ductility. 6. Martempering: A variation of quenching, martempering involves cooling the steel just above its martensitic transformation range and holding it at that temperature until uniformly cooled. This method reduces the risk of distortion and cracking, providing improved toughness and dimensional stability. 7. Induction hardening: Specifically used to selectively harden certain areas of the steel's surface, induction hardening involves heating the surface using induction heating and rapidly quenching it. This process creates a hardened surface layer while maintaining core toughness and ductility. These diverse heat treatment methods for special steel offer a range of options to optimize desired properties depending on specific applications and requirements.
- Q: Can special steel be used for making medical equipment?
- Yes, special steel can be used for making medical equipment. Special steel alloys, such as stainless steel, are commonly used in the manufacturing of medical equipment due to their high strength, durability, and corrosion resistance properties. These materials are essential for ensuring the safety and reliability of medical instruments and devices used in various healthcare settings.
- Q: How is special steel used in the production of aircraft components?
- Special steel is used in the production of aircraft components due to its superior strength, durability, and resistance to corrosion. It is commonly used in critical parts such as engine components, landing gear, and structural elements. The unique properties of special steel ensure that aircraft components can withstand high temperatures, extreme pressures, and demanding operating conditions, ensuring the safety and reliability of aircraft.
- Q: What are the different high-pressure grades of special steel?
- There are several different high-pressure grades of special steel, each with its own unique properties and applications. Some of the commonly used high-pressure grades of special steel include: 1. 4130 steel: This grade of steel is known for its excellent strength, toughness, and heat resistance. It is often used in the manufacturing of high-pressure tubing and components for the oil and gas industry. 2. 4340 steel: This grade of steel is known for its exceptional strength and toughness. It is commonly used in the production of high-pressure valves, gears, and other critical components in industries like aerospace, defense, and automotive. 3. 316 stainless steel: This grade of stainless steel is highly corrosion-resistant and has excellent high-temperature properties. It is frequently used in high-pressure applications such as pipelines, heat exchangers, and pressure vessels in chemical and petrochemical industries. 4. 17-4 PH stainless steel: This grade of stainless steel offers a combination of high strength, excellent corrosion resistance, and good toughness. It is often used in high-pressure pump components, turbine blades, and other critical parts in industries like power generation and aerospace. 5. F22 steel: This grade of steel is a low-alloy steel with high-temperature strength and excellent creep resistance. It is commonly used in high-pressure and high-temperature applications such as boilers, pressure vessels, and piping systems in power plants and refineries. These are just a few examples of the high-pressure grades of special steel available. The selection of the appropriate grade depends on the specific requirements of the application, including factors like pressure, temperature, corrosion resistance, and mechanical properties.
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42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 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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