SAE 4340 Alloy Steel Round Bar SCM430 Steel 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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Item specifice
Type:
Alloy Steel
Shape:
Steel Round Bar
SAE 4340 Alloy Steel Round Bar SCM430 Steel 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: SGS
8) Marking: Grade, Heat No.,Diameter will be stamped one each bar with required color
9) Packing: In bulk packing
10) MOQ: 25 tons / Grade / Size
11) Delivery time: 30 days
12) Payment: T/T 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:
ASTM 4340 Steel Bar 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 stainless steel contribute to the production of medical implants?
- Stainless steel contributes to the production of medical implants primarily due to its exceptional properties such as corrosion resistance, high strength, biocompatibility, and ease of sterilization. These qualities make stainless steel an ideal material for manufacturing various medical implants like joint replacements, bone plates, screws, and dental implants.
- Q:Is special steel suitable for manufacturing firearms?
- Yes, special steel is highly suitable for manufacturing firearms. Special steel alloys are specifically designed to possess exceptional properties such as high strength, hardness, and resistance to wear and corrosion. These characteristics are crucial for firearms as they need to withstand high pressures, recoil forces, and intense heat generated during firing. Special steel alloys, such as stainless steel or chrome-molybdenum steel, offer excellent tensile strength, allowing firearms to handle the immense pressure generated by the ignition of gunpowder. Moreover, the hardness of special steel ensures that the critical components, such as barrels and receivers, are durable and can withstand repeated use without deforming or cracking. Firearms also require resistance to wear and corrosion, as they are often exposed to harsh environments and various weather conditions. Special steel alloys are engineered to have superior resistance to both wear and corrosion, ensuring that the firearms remain functional and reliable even after prolonged use or exposure to moisture. Furthermore, special steel alloys can be easily machined and formed into complex shapes, allowing manufacturers to create intricate firearm components with precision. This versatility in manufacturing processes enables the production of firearms that meet stringent quality standards and precise specifications. In conclusion, special steel is unquestionably suitable for manufacturing firearms due to its exceptional strength, hardness, resistance to wear and corrosion, and ease of machining. These properties ensure the reliability, durability, and performance of firearms, making special steel an ideal material choice for this purpose.
- Q:What are the properties of titanium alloys?
- Titanium alloys have several properties that make them highly desirable in various industries. Firstly, they have excellent strength-to-weight ratio, which means they are strong and lightweight. This property makes them suitable for applications where strength and durability are required, such as aerospace engineering. Secondly, titanium alloys have high corrosion resistance, even in harsh environments. They form a protective oxide layer on their surface, which prevents them from corroding. This characteristic makes them ideal for marine and chemical processing industries. Thirdly, titanium alloys have a high melting point, allowing them to withstand extreme temperatures without losing their structural integrity. This property makes them suitable for applications in the automotive, defense, and power generation sectors. Furthermore, titanium alloys are biocompatible, meaning they are well-tolerated by the human body and are often used in medical implants and prosthetics. Overall, titanium alloys possess a unique combination of strength, lightweightness, corrosion resistance, high melting point, and biocompatibility, making them highly valuable and versatile materials in various industries.
- Q:How does special steel contribute to reducing product downtime?
- Special steel contributes to reducing product downtime by offering enhanced durability and resistance to wear, corrosion, and high temperatures. Its unique properties enable components made from special steel to withstand harsh operating conditions and maintain their integrity over extended periods. By using special steel in critical parts, manufacturers can minimize the frequency of component failures, repairs, and replacements, thereby reducing product downtime and increasing overall productivity.
- Q:How does special steel perform in high-temperature mechanical applications?
- Special steel is specifically engineered to excel in mechanical applications that involve high temperatures. Unlike regular steel, it contains alloying elements like chromium, nickel, and molybdenum, which augment its heat resistance and mechanical properties. When exposed to high temperatures, special steel showcases remarkable strength and toughness, enabling it to endure the demanding conditions found in such environments. It maintains its structural integrity even when subjected to extreme heat, rendering it suitable for applications such as furnaces, boilers, and gas turbines. Moreover, special steel retains its dimensional stability at elevated temperatures, meaning it does not easily deform or warp. This characteristic is crucial in high-temperature mechanical applications that demand precise dimensions and tight tolerances for optimal performance. Furthermore, special steel exhibits exceptional resistance to corrosion, even at high temperatures. This resistance is critical in preventing the formation of oxide scales and minimizing the risk of premature failure caused by corrosion. In conclusion, the enhanced heat resistance, strength, toughness, dimensional stability, and corrosion resistance of special steel make it highly adept in high-temperature mechanical applications. It delivers reliability and durability in extreme heat conditions, establishing it as the preferred choice for various industries encountering high-temperature environments.
- Q:What is the impact of manganese in special steel alloys?
- Manganese plays a crucial role in special steel alloys as it enhances the strength, hardness, and overall performance of the steel. It acts as a deoxidizer, removing impurities and improving the cleanliness of the metal. Additionally, manganese helps in grain refinement, reducing the risk of brittleness and improving toughness. It also aids in improving the workability and weldability of the steel, making it easier to shape and join. Overall, manganese significantly contributes to the high-quality and durability of special steel alloys.
- Q:How does nitriding improve the wear resistance of special steel?
- Nitriding improves the wear resistance of special steel by introducing nitrogen into the surface of the material, forming a hard layer of iron nitrides. This hard layer increases the surface hardness and reduces the friction between the material and other surfaces, resulting in enhanced resistance to wear and improved performance in high-stress environments.
- Q:What is special steel? What is special steel?
- There is no uniform definition and concept for special steel at present.It is generally believed that special steel is a kind of steel with special alloy composition, special process smelting and production, special organization and performance, and special requirement.Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance.
- Q:How does copper influence the characteristics of special steel?
- Copper has a significant influence on the characteristics of special steel due to its unique properties and its role as an alloying element. When added to steel in small amounts, copper can enhance its strength, hardness, and resistance to corrosion. One of the key benefits of copper in special steel is its ability to improve the steel's mechanical properties. Copper increases the strength and hardness of steel, making it more suitable for applications that require high tensile strength and durability. This is particularly important in industries such as construction, automotive, and aerospace, where strong and durable steel is essential. Furthermore, copper also enhances the steel's resistance to corrosion. It forms a protective oxide layer on the surface of the steel, preventing the formation of rust and other forms of corrosion. This makes copper-infused steel ideal for use in harsh environments or applications where exposure to moisture or corrosive substances is common. Additionally, copper can improve the machinability of special steel. It acts as a lubricant during the machining process, reducing friction and heat generation. This results in improved tool life, reduced energy consumption, and enhanced productivity. In summary, the addition of copper to special steel can significantly influence its characteristics. It enhances the steel's strength, hardness, and corrosion resistance, making it more suitable for demanding applications. Moreover, copper also improves the machinability of steel, leading to increased productivity and cost-effectiveness.
- Q:How does special steel perform in terms of magnetic permeability?
- Special steel has a relatively low magnetic permeability, making it less prone to magnetization and allowing it to resist the effects of external magnetic fields.
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SAE 4340 Alloy Steel Round Bar SCM430 Steel 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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