SAE AISI ASTM 42CrMo4/4140 Alloy Steel Bar
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- 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:
Alloy Steel
Shape:
Steel Round Bar
SAE AISI ASTM 42CrMo4/4140 Alloy Steel Bar
Product Information:
1. Features Specifications: 42CrMo4 Alloy Steel Bar
2. Commodity: 42CrMo4 Alloy Steel Bar
Hot rolling craftwork and fine mechanical performance
Chemical components meet standards, delivery in black skin
3. Standards:
a) GB/T3077 42CrMo
b) JiS SCM440
c) Din 42CrMo4
d) ASTM 4140
4. Size: dia 12-160mm
5. Length:6M above
6. Packing:Bundles with iron wires
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) |
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- Q: What are the different types of tool and die steel?
- There are several different types of tool and die steel, including high-speed steel, carbon steel, and alloy steel. High-speed steel is known for its ability to maintain hardness and withstand high temperatures, making it suitable for cutting tools. Carbon steel is often used for dies and punches due to its toughness and wear resistance. Alloy steel, which is a combination of iron and other elements, offers enhanced strength and durability, making it ideal for various tool and die applications.
- Q: What are the different methods of surface honing for special steel?
- Surface honing for special steel can be achieved through various methods, each with its own benefits and uses. Among the commonly employed techniques are: 1. Manual Honing: This approach entails the utilization of handheld honing tools, such as stones, sticks, or abrasive pads, to manually remove material from the steel's surface. Manual honing permits meticulous control and is often suitable for smaller or intricate components. 2. Machine Honing: Machine honing involves the use of specialized honing machines that automate the honing process. These machines typically feature rotating honing stones or abrasive belts, which eliminate material from the steel's surface. Machine honing is favored for larger or complex parts, as it ensures consistent and high-quality outcomes. 3. Diamond Honing: Diamond honing relies on diamond abrasives to eradicate material from the special steel's surface. Given that diamond is one of the hardest substances known, it is exceptionally effective for honing steel. This method is commonly employed in high-precision applications or instances where an exceedingly smooth surface finish is required. 4. Superfinishing: Superfinishing is a specialized honing process that achieves extremely fine surface finishes on special steel. It combines honing stones and abrasive pastes to remove minuscule amounts of material from the surface. Superfinishing is typically utilized in critical applications where surface roughness and dimensional accuracy are of utmost importance. 5. Lapping: Lapping is a honing method that employs a combination of abrasive particles and a rotating or vibrating tool to eliminate material from the steel's surface. It is particularly suitable for parts necessitating a very flat or parallel surface, such as bearings or sealing surfaces. 6. Electrochemical Honing: Electrochemical honing is a specialized process that employs an electric current to remove material from the special steel's surface. It is often employed for intricate or hard-to-reach surfaces, as it effectively eliminates material from areas inaccessible to other honing methods. To sum up, the various methods of surface honing for special steel encompass manual honing, machine honing, diamond honing, superfinishing, lapping, and electrochemical honing. Each method offers distinct advantages and applications, enabling precise control and the attainment of desired surface finishes and dimensional accuracy for special steel components.
- Q: What are the properties of corrosion-resistant tool steel?
- Corrosion-resistant tool steel possesses properties such as high hardness, excellent wear resistance, good toughness, and resistance to corrosion and oxidation. It is designed to withstand exposure to harsh environments, chemicals, and moisture, making it ideal for applications where resistance to corrosion is crucial, such as in marine environments or chemical processing industries.
- Q: How is special steel used in the production of gears?
- Special steel is used in the production of gears due to its high strength and durability. It allows gears to withstand heavy loads, high temperatures, and constant friction. The use of special steel ensures that gears can operate efficiently and reliably in various industrial applications, such as automotive, aerospace, and machinery.
- Q: What are the future prospects for the special steel industry?
- The future prospects for the special steel industry are promising. With increasing demand for high-quality steel in sectors such as automotive, aerospace, and construction, the industry is expected to witness steady growth. Additionally, advancements in technology, such as additive manufacturing and new alloys, are likely to create new opportunities. However, challenges like fluctuating raw material prices and environmental concerns need to be addressed to ensure sustainable growth in the long term. Overall, the special steel industry is poised for a positive outlook, driven by evolving customer demands and innovation.
- Q: What are the main characteristics of creep-resistant steel?
- Creep-resistant steel, characterized by its high resistance to deformation caused by prolonged exposure to high temperatures and stress, possesses several key features: 1. It can withstand extremely high temperatures without significant deformation, making it ideal for applications in power plants, boilers, and gas turbines, where materials are exposed to elevated temperatures for extended periods. 2. It exhibits excellent mechanical properties, including high tensile strength and toughness, enabling it to endure stress and pressure, even at high temperatures. 3. It is highly resistant to corrosion and oxidation, owing to its alloying with elements like chromium, molybdenum, and nickel. This makes it suitable for use in environments with moisture, chemicals, and gases. 4. It maintains its shape and size under prolonged exposure to high temperatures and stress, ensuring dimensional stability and preserving the integrity of structures or components. 5. Its combination of high temperature resistance, strength, and corrosion resistance contributes to its durability and longevity, reducing the need for frequent maintenance and replacement. This improves the overall efficiency and cost-effectiveness of applications relying on creep-resistant steel. In conclusion, creep-resistant steel is specifically designed to endure the challenging conditions of high temperatures and stress, making it the preferred choice in industries prioritizing reliability and safety.
- Q: How is special steel tested for quality and performance?
- Special steel is tested for quality and performance through a series of rigorous assessments that include non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, and dye penetrant inspection. These tests help identify any defects or irregularities in the steel's structure or composition, ensuring its durability, strength, and overall performance meet the required standards. Additionally, mechanical tests like hardness testing and tensile testing are conducted to evaluate the steel's physical properties, while chemical analysis is performed to verify its chemical composition. All these meticulous testing procedures ensure that special steel meets the necessary quality and performance criteria.
- Q: How does special steel contribute to improving product efficiency in energy-intensive processes?
- Special steel contributes to improving product efficiency in energy-intensive processes by providing enhanced strength, durability, and resistance to corrosion and wear. These properties allow for the development of more efficient machinery and equipment, reducing energy losses due to friction and wear. Additionally, special steel's high heat resistance enables the production of components that can withstand extreme temperatures, improving overall energy efficiency in processes such as high-temperature heat treatment or combustion. Moreover, its superior mechanical properties enable the construction of lighter and more compact designs, leading to reduced energy consumption during transportation and operation. Overall, special steel plays a vital role in optimizing energy-intensive processes by enhancing performance, longevity, and energy efficiency of products and equipment.
- Q: What are the requirements for special steel used in energy equipment manufacturing?
- The requirements for special steel used in energy equipment manufacturing include high strength, excellent corrosion resistance, and the ability to withstand high temperatures and pressures. It also needs to meet specific industry standards, such as those related to safety, reliability, and environmental sustainability. Additionally, the steel should possess good weldability and machinability to facilitate the manufacturing process.
- Q: How is high-speed tool steel used in the manufacturing of drills and taps?
- High-speed tool steel is used in the manufacturing of drills and taps because of its exceptional hardness, wear resistance, and heat resistance properties. This type of steel allows drills and taps to withstand high temperatures and friction, ensuring their durability and longevity. Additionally, high-speed tool steel enables these cutting tools to maintain their sharpness for longer periods, resulting in increased efficiency and precision during drilling and tapping operations.
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SAE AISI ASTM 42CrMo4/4140 Alloy Steel Bar
- 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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