ASTM 4140 Alloy Steel Round Bar
- 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
ASTM 4140 Alloy Steel Round Bar
Product Details:
1) Melting process: BOF + LF + VD
2) Heat treatment: Normalized / Annealed / Quenched / Tempered
3) Surface condition: Black surface / Peeled / Turned / Milled
4) Straightness: Max.3mm/1000mm
5) Appearance: Free of cracks, visible inclusions, pit on the appearance;
6) Guarantee: Ultrasonic test according to SEP 1921-84 G3 C/c
7) Certificate of quality: As per EN 10204/3.1B
8) Marking: Grade, Heat No.,Diameter will be stamped one each bar with required color
9) Packing: In bulk reinforced
10) MOQ: 10 tons / Grade / Size
11) Delivery time: 30 days
12) Payment: T/T 30% deposit, 70% balance upon photocopy of B/L copy, or 100% LC at sight.
Designation by Standards
rand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
42CD4 | 514 | 1.7225 | 42CrMo4 | - | 4140 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
0.39-0.45 | 0.1-0.4 | 0.6-0.9 | 0.9-1.2 | 0.15-0.25 | - | - | - | - |
Application:
Our products have been used in aviation,aerospace,navigation,nuclear energy,chemical industry,
electronic information,machine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments etc.
Product Show:
- Q: How does special steel contribute to the oil and gas machinery industry?
- Special steel plays a crucial role in the oil and gas machinery industry by offering exceptional strength, durability, and corrosion resistance. It is commonly used in the manufacturing of drill pipes, valves, pumps, and other critical components. The high tensile strength of special steel ensures the safe and efficient extraction of oil and gas, while its resistance to extreme temperatures and harsh environments enhances the reliability and longevity of machinery. Additionally, special steel's ability to withstand high-pressure conditions and prevent leakage makes it an essential material in the oil and gas sector.
- Q: How is stainless tool steel used in the manufacturing of surgical instruments?
- Stainless tool steel is commonly used in the manufacturing of surgical instruments due to its exceptional properties such as corrosion resistance, durability, and high hardness. These qualities make it suitable for producing sharp, long-lasting cutting edges on surgical instruments like scalpels, forceps, scissors, and bone saws. The stainless tool steel ensures that the surgical instruments remain sterile, withstand repeated sterilization processes, and maintain their sharpness, thus maximizing their longevity and effectiveness in surgical procedures.
- Q: How does special steel contribute to the construction aftermarket industry?
- Special steel contributes to the construction aftermarket industry by offering enhanced strength, durability, and corrosion resistance. It enables the construction of high-rise buildings, bridges, and other infrastructure projects that require superior performance and safety. Additionally, special steel allows for the use of lighter and more efficient designs, reducing costs and environmental impact. Overall, it plays a crucial role in pushing the boundaries of construction capabilities and meeting the growing demands of the industry.
- Q: Can special steel be used for luxury goods?
- Yes, special steel can definitely be used for luxury goods. Special steel, known for its exceptional durability, strength, and unique properties, can be utilized in the production of high-end luxury goods such as watches, jewelry, knives, and even high-performance vehicles. Its superior quality and aesthetic appeal make it an ideal choice for manufacturers seeking to create luxurious and exclusive products.
- Q: How does special steel contribute to the aerospace landing gear industry?
- Special steel plays a crucial role in the aerospace landing gear industry by providing the necessary strength, durability, and resistance to extreme conditions that are required for safe and efficient aircraft landings. One of the key requirements for landing gears is high tensile strength, as they must bear the weight of the aircraft during takeoff, landing, and taxiing. Special steel alloys, such as ultra-high strength steels, are specifically designed to resist deformation and withstand the enormous forces exerted on the landing gear. These steels have exceptional mechanical properties, allowing them to maintain their structural integrity under heavy loads. Moreover, special steel used in aerospace landing gears must exhibit excellent fatigue resistance to withstand the repeated stress cycles experienced during each landing. Fatigue failure of landing gears can have catastrophic consequences, so the use of high-quality steel ensures extended service life and reduces the risk of failure. In addition to strength and fatigue resistance, special steel alloys used in landing gears must possess exceptional corrosion resistance. Aircraft operate in various environments, including humid and salty conditions, which can accelerate corrosion. By using corrosion-resistant steels, the landing gear components can withstand these harsh conditions and maintain their performance and safety over time. Furthermore, the unique properties of special steel alloys allow for weight reduction in landing gear components. Aerospace industry continuously strives to reduce aircraft weight to improve fuel efficiency and performance. Special steel alloys, like high-strength low-alloy (HSLA) steels, offer the perfect balance between strength and weight, allowing for the design of lighter landing gear components without compromising safety or durability. In summary, special steel is crucial to the aerospace landing gear industry as it provides the necessary strength, fatigue resistance, corrosion resistance, and weight reduction capabilities required for safe and efficient aircraft landings. By using special steel alloys, the industry can ensure the reliability and longevity of landing gear components, contributing to the overall safety and performance of aircraft.
- Q: How is special steel used in the production of surgical instruments?
- Special steel is used in the production of surgical instruments due to its unique properties such as corrosion resistance, high strength, and ability to maintain sharpness. This steel is specifically designed to meet the demanding requirements of surgical tools, ensuring durability and precision during procedures.
- Q: How does special steel perform in additive manufacturing applications?
- Special steel performs well in additive manufacturing applications due to its high strength, durability, and resistance to wear and corrosion. The unique properties of special steel, such as its ability to withstand high temperatures and extreme environments, make it an ideal material for 3D printing processes. Additionally, the flexibility and customization offered by additive manufacturing allows for the creation of complex geometries and intricate designs, further enhancing the performance of special steel in various applications.
- Q: What industries rely on special steel?
- Several industries rely on special steel, including automotive, aerospace, construction, energy, and manufacturing. Special steel is known for its exceptional strength, durability, and resistance to corrosion, making it an essential material in these sectors. It is used for various applications such as structural components, machinery parts, tools, pipelines, and turbines, among others.
- Q: What are the applications of tool steel?
- Tool steel has a wide range of applications due to its high hardness, resistance to wear, and ability to retain sharp edges. It is commonly used in the manufacturing of cutting tools, dies, molds, and machine components that require high strength and durability. Additionally, tool steel finds its use in the automotive, aerospace, and construction industries, where its properties are crucial for efficient and precise operations.
- Q: What are the different shot blasting techniques used for special steel?
- There are several shot blasting techniques used for special steel, including wheel blasting, air blasting, and centrifugal blasting.
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ASTM 4140 Alloy Steel Round Bar
- 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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