Special Steel 42CrMo/1.7225/4140 High Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Sheet
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Thickness:
as required
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required
Chemical Composition(%)
| C | Si | Mn | Cr | Mo | Ni | P | S |
| 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | 0.15-0.25 | ≤0.030 | ≤0.030 | ≤0.030 |
Standard
| GB | AISI | DIN | JIS | ISO |
| 42CrMo | 4140 | 42CrMo4 | SCM440 | 42CrMo4 |
Available Size
| Rolled round bar | φ20-120mm × L |
| Forged round bar | φ130-195mm × L |
Heat Treatment
| Item | Temperature℃ | Hardness |
| quenching | 840-880 | HRC32-34 |
| tempering | 580 | |
| quenching | 900 | HRC54-60 |
| tempering | 150-180 |
Characterstics
| The steel with high strength and toughness, hardenability is better also | |||||||
| After conditioning treatment quenching deformation of small | |||||||
| high fatigue limit and repeated impact resistance |
Applications
The steel is suitable for manufacturing requires a certain strength and toughness of large and medium-sized plastic mold
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FAQ:
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
5, After-sale Service?
We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: What is the cost difference between regular steel and special steel?
- The cost difference between regular steel and special steel can vary significantly depending on various factors such as the specific type of special steel, its grade, production techniques, and market demand. In general, special steel tends to be more expensive than regular steel due to its enhanced properties, specific alloy compositions, and specialized production processes. However, it is important to note that the cost difference may fluctuate and it is best to consult with suppliers or conduct market research for accurate and up-to-date pricing information.
- Q: How does special steel contribute to the automotive aftermarket industry?
- The automotive aftermarket industry greatly benefits from the use of special steel, as it offers various advantages that enhance the performance, durability, and safety of vehicles. To begin with, special steel is renowned for its exceptional strength and durability. This characteristic allows manufacturers and suppliers to create high-performance components and parts that can withstand extreme conditions and heavy usage. Engine parts, suspension systems, and chassis components all benefit from the superior strength of special steel, ensuring their longevity and reliability. Furthermore, special steel provides excellent corrosion resistance, which is crucial for automotive components exposed to different weather conditions and road environments. By utilizing corrosion-resistant steel, suppliers can produce parts that are less susceptible to rust and degradation, ultimately prolonging the lifespan of vehicles and reducing the need for frequent replacements. Additionally, special steel enables the production of lightweight components without compromising on strength. As the demand for fuel efficiency and reduced emissions continues to grow, lightweight materials are highly sought after in the automotive industry. By utilizing special steel, suppliers can create lightweight parts that contribute to improved fuel economy and overall vehicle performance. Moreover, the versatility of special steel allows for the development of complex and intricate components, which supports advancements in vehicle technology. From precision-engineered gears and shafts to specialized parts for electric vehicles, special steel can be tailored to meet specific automotive requirements, driving continuous innovation within the industry. Finally, special steel offers cost-effectiveness in the automotive aftermarket industry. While the initial cost of special steel may be higher than conventional steel, its durability and longevity result in reduced maintenance and replacement costs over time. This benefit is particularly significant for suppliers and vehicle owners, as it helps minimize expenses and ensures a higher return on investment. In conclusion, special steel plays a crucial role in the automotive aftermarket industry by providing strength, durability, corrosion resistance, lightweight properties, versatility, and cost-effectiveness. These qualities contribute to the overall performance, safety, and longevity of vehicles, making special steel an essential material in the development of high-quality aftermarket components and parts.
- Q: How does special steel contribute to the oil and gas aftermarket industry?
- Special steel plays a crucial role in the oil and gas aftermarket industry due to its unique properties and capabilities. Firstly, special steel is highly resistant to corrosion, making it ideal for use in the harsh and corrosive environments commonly found in the oil and gas sector. This resistance to corrosion ensures that the equipment and components made from special steel have a longer lifespan, reducing the need for frequent replacements and maintenance. Additionally, special steel offers high strength and durability, allowing it to withstand the extreme pressures and temperatures encountered in oil and gas operations. This strength ensures that the equipment and components made from special steel can operate reliably and efficiently, even under demanding conditions. Moreover, special steel can be tailored to meet the specific needs of the oil and gas industry. With its various grades and compositions, special steel can be customized to possess specific properties such as resistance to sulfide stress cracking, hydrogen embrittlement, and high-temperature oxidation. These customized properties make special steel suitable for critical applications such as wellheads, pipelines, valves, and other equipment used in the oil and gas aftermarket industry. Furthermore, special steel enables the production of complex and intricate components that are essential for the oil and gas sector. Its excellent machinability and weldability allow for the creation of precision-engineered parts, ensuring the efficient and reliable operation of oil and gas equipment. In summary, special steel contributes significantly to the oil and gas aftermarket industry by providing corrosion resistance, high strength, durability, customization options, and the ability to manufacture intricate components. These properties make special steel indispensable in ensuring the safety, reliability, and efficiency of operations in the oil and gas sector.
- Q: How does special steel withstand high temperatures?
- Special steel is able to withstand high temperatures due to its unique composition and manufacturing process. It is typically alloyed with elements such as chromium, nickel, and molybdenum, which enhance its heat resistance properties. These alloying elements form stable oxides on the surface of the steel, creating a protective layer that prevents oxidation and corrosion at high temperatures. Additionally, special steel undergoes heat treatment processes like quenching and tempering, which further enhance its strength and ability to retain its structural integrity under extreme heat conditions.
- Q: How does special steel perform in terms of fatigue strength?
- Special steel generally performs well in terms of fatigue strength. It is specifically designed to withstand repeated loading and unloading without experiencing fatigue failure. Its unique composition and heat treatment processes make it highly resistant to crack initiation and propagation, resulting in an extended fatigue life compared to regular steel. Additionally, special steels often exhibit improved resistance to other forms of degradation, such as corrosion, which further enhances their overall fatigue performance.
- Q: What are the common alloying elements in special steel?
- Special steel commonly contains alloying elements such as chromium, nickel, molybdenum, and vanadium. The addition of chromium improves the steel's resistance to corrosion and increases its hardness. Nickel is utilized to enhance the steel's toughness and ability to withstand extreme temperatures. Molybdenum is frequently incorporated to strengthen the steel and improve its resistance to wear and corrosion. Vanadium, on the other hand, is recognized for its capability to increase the steel's hardness and strength, making it ideal for applications that necessitate high durability. These alloying elements are meticulously chosen and included in special steel to attain specific properties and fulfill the distinctive demands of various industries including automotive, aerospace, and construction.
- Q: How does special steel contribute to the formability of products?
- Special steel, which is also known as alloy steel, plays a vital role in enhancing the formability of products. Various industries, including automotive, aerospace, and construction, find special steel to be an ideal choice due to its unique properties and composition. One way in which special steel contributes to product formability is through its exceptional strength and durability. Engineered to have a higher tensile strength compared to regular steel, special steel can undergo significant deformation without breaking or cracking. This characteristic allows manufacturers to shape and mold the steel into intricate and complex designs, resulting in products with improved formability. Moreover, special steel offers excellent resistance to deformation, specifically elastic deformation. This means that even after enduring significant stress or strain, the steel can return to its original shape, minimizing the risk of permanent deformation. Such a feature proves advantageous in applications where products need to withstand repeated bending or shaping without compromising their structural integrity. Additionally, special steel often contains specific alloying elements like chromium, nickel, or molybdenum, which further enhance its formability. These alloying elements improve the steel's ability to be easily formed and manipulated, making it more ductile and minimizing the chances of cracking during the forming process. Furthermore, special steel can undergo heat treatment to modify its mechanical properties and enhance its formability. Annealing or quenching are some of the heat treatment processes that can make the steel more malleable, allowing for easy shaping and forming into desired products. In conclusion, special steel plays a critical role in enhancing product formability due to its exceptional strength, resistance to deformation, inclusion of alloying elements, and heat-treatability. These properties enable manufacturers to create products with intricate designs and complex shapes, fulfilling the diverse needs of various industries while ensuring durability and structural integrity.
- Q: What are the main applications of special steel in the shipbuilding industry?
- Special steel is widely used in the shipbuilding industry for various applications. Some of the main applications include the construction of ship hulls, decks, and superstructures, as well as the manufacturing of critical components such as propeller shafts, rudders, and marine engines. The high strength, corrosion resistance, and toughness of special steel make it ideal for withstanding the harsh marine environment and ensuring the safety and durability of ships.
- Q: How is wear-resistant steel used in mining equipment?
- Wear-resistant steel is commonly used in mining equipment due to its high durability and strength. It is utilized in various applications such as excavator buckets, crusher liners, and conveyor parts to withstand the harsh conditions of mining operations. The wear-resistant properties of this steel help to minimize abrasion and extend the equipment's lifespan, resulting in increased productivity and reduced maintenance costs.
- Q: What are the common alloys used in special steel?
- Some common alloys used in special steel include stainless steel (which contains chromium and often nickel), tool steel (which contains tungsten, vanadium, and sometimes cobalt), and high-speed steel (which contains tungsten, molybdenum, and sometimes cobalt).
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Special Steel 42CrMo/1.7225/4140 High Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 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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