40Cr / 41Cr4 / 5140 alloy steel specifications
- 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
You Might Also Like
Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
40Cr / 41Cr4 / 5140 alloy steel specifications
Product Description:
1. Standards
GB 40Cr, 40X, ASTM 5140, BS 520M40, JIS SCR440, NF 42C4, DIN 41Cr4(1.7035)
2. Size:
Round steel bar: Dia. 8-10000mm
Flat steel bar: 10-600*205*1500mm
Length: <12m
3. Machine Capability
Tensile strength (N/mm2Mpa): >=835
Elongation %: >=10
Yield strength: >=540
Hardness: HBS<=179
Reduction of area: >=40%
4. Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
5. Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
6. Process:
EAF+LF+VD+ Forged+ Heat Treatment (Annealed, A Normalized, Q+T)
7. Inspection
100% Ultrasonic according to the test standards: SEP1921-84, GR. 3 CLASS C/C
Chemical Composition:
Chemical Composition(for reference only) (%) | |||||||
C | Si | Mn | Cr | Ni | P | S | Cu |
0.37~0.44 | 0.17~0.37 | 0.50~0.80 | 0.8~1.1 | ≤ 0.03 | ≤ 0.035 | ≤ 0.035 | ≤ 0.30 |
Application:
(1) Generally used for producing the important parts with high strength and good plastic.
(2) After nitrogen treatment, used for producing the important parts with special performance
requirements, such as shafts, gears, fasteners, bolt of large dia steamer etc.
Product Show：
- Q: Can special steel be used in the production of springs?
- Yes, special steel can be used in the production of springs. Special steel, such as alloy steel or stainless steel, is often preferred for its high strength, durability, and resistance to corrosion, making it suitable for applications where springs need to withstand heavy loads or harsh environments.
- Q: How is special steel used in the packaging supply chain?
- Special steel is used in the packaging supply chain for various purposes. It is used to manufacture durable and strong packaging equipment such as steel drums, containers, and pallets. These steel products ensure the safe transportation and storage of goods, especially heavy or hazardous materials. Additionally, special steel is used in the production of cutting tools, blades, and molds that are essential for packaging processes. Overall, special steel plays a crucial role in ensuring the efficiency, reliability, and safety of the packaging supply chain.
- Q: Can special steel be used in the pharmaceutical manufacturing equipment manufacturing industry?
- Yes, special steel can be used in the pharmaceutical manufacturing equipment manufacturing industry. Special steel offers several advantages such as resistance to corrosion, high strength, and durability, making it suitable for various applications in pharmaceutical manufacturing equipment. It ensures the hygienic and safe production of pharmaceutical products, meeting the industry's specific requirements and regulations. Additionally, special steel's ability to withstand extreme temperatures and harsh chemicals makes it a valuable material for manufacturing equipment used in pharmaceutical processes.
- Q: Can special steel be used in the production of springs for automotive suspension?
- Yes, special steel can be used in the production of springs for automotive suspension. Special steel, such as alloy steel or high-carbon steel, offers excellent strength, durability, and resistance to fatigue, making it suitable for handling the heavy loads and constant vibrations involved in automotive suspension systems.
- Q: What are the applications of special steel in the electronics industry?
- Special steel has various applications in the electronics industry. It is commonly used to manufacture components such as connectors, springs, and contacts due to its high strength, corrosion resistance, and electrical conductivity. Additionally, special steel is employed in the production of magnetic cores for transformers and inductors, as it exhibits excellent magnetic properties. Its ability to withstand extreme temperatures and provide reliable performance makes it a preferred choice for electronics applications where durability and efficiency are crucial.
- Q: How is mold steel used in the production of plastic injection molds?
- Mold steel is commonly used in the production of plastic injection molds due to its high durability and resistance to wear and tear. It is used to create the main components of the mold, such as the cavity and core, which are responsible for shaping the plastic material. Mold steel provides the necessary hardness and strength to withstand the high pressures and temperatures involved in the injection molding process. Additionally, its excellent machinability allows for precise and intricate mold designs, ensuring the production of high-quality plastic parts.
- Q: What are the specific requirements for special steel used in the railway sector?
- Ensuring the safety, durability, and efficient operation of railway infrastructure in the railway sector relies heavily on meeting the specific requirements for special steel. Some of the key requirements include: 1. Exceptional strength is essential for the special steel used in the railway sector to withstand heavy loads, vibrations, and impacts. This is crucial to maintain the structural integrity of tracks, bridges, and other components. 2. To minimize the need for frequent maintenance and replacement, special steel must have excellent wear resistance as railway tracks and wheels experience significant wear due to continuous contact and friction. 3. Railway components are subjected to constant cyclic loading, which demands high fatigue resistance in the steel. This ensures they can withstand repetitive stress and prevents fatigue failures. 4. Special steel must possess good corrosion resistance to prevent rusting and degradation, thereby ensuring a longer service life in the face of various environmental conditions such as moisture, extreme temperatures, and chemicals. 5. In certain applications like rail joints and fasteners, special steel is exposed to high temperatures due to friction and stresses. Good heat resistance is necessary for the steel to maintain its mechanical properties under such conditions. 6. Good weldability of special steel is essential to enable efficient and reliable joining of components during manufacturing and maintenance processes in the railway sector. 7. The steel must exhibit sufficient ductility and toughness to absorb energy and resist fracture in the event of a collision or impact, ensuring passenger safety. 8. Special steel used in the railway sector must maintain its dimensional stability under varying temperatures and loads to prevent deformation and ensure proper alignment of tracks and components. Meeting these specific requirements for special steel in the railway sector is crucial to ensure the safety, reliability, and longevity of railway infrastructure. This contributes to the smooth operation of the entire transport network.
- Q: Can special steel be used in the wood manufacturing industry?
- Yes, special steel can be used in the wood manufacturing industry. Special steel, such as high-speed steel or tool steel, can be utilized in the production of cutting tools, saw blades, or other machinery components used in wood processing. These types of steel offer enhanced durability, hardness, and resistance to wear, making them suitable for various wood manufacturing applications.
- Q: How does special steel perform in corrosive environments?
- Special steel is specifically designed to perform well in corrosive environments. It is made with a higher content of alloying elements such as chromium, which forms a protective oxide layer on the surface of the steel. This oxide layer acts as a barrier, preventing the steel from coming into direct contact with the corrosive elements in the environment. Additionally, special steel may also contain other alloying elements such as molybdenum, nickel, or copper, which further enhance its resistance to corrosion. These elements help to increase the steel's ability to withstand pitting, crevice corrosion, and stress corrosion cracking, which are common types of corrosion that occur in corrosive environments. Furthermore, special steel is often treated with various surface coatings or finishes that provide additional protection against corrosion. These coatings can include zinc, epoxy, or polymeric materials, which create an additional barrier between the steel and the corrosive elements. In summary, special steel performs exceptionally well in corrosive environments due to its high content of alloying elements, protective oxide layer, and additional surface coatings. It offers excellent resistance to various forms of corrosion and ensures the longevity and reliability of structures or equipment operating in such environments.
- Q: What are the main properties of special steel?
- Special steel is characterized by a variety of properties that set it apart from regular steel. Some of its key properties include high strength, excellent corrosion resistance, superior heat resistance, exceptional toughness, and good wear resistance. Additionally, special steel can be easily machined, welded, and formed, making it highly versatile for various industrial applications.
Send your message to us
40Cr / 41Cr4 / 5140 alloy steel specifications
- 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
Similar products
Hot products
Hot Searches
Related keywords
