Special Steel 42CrMo Round Bar Steel SCM440

Special Steel 42CrMo Round Bar Steel SCM440 System 1

Special Steel 42CrMo Round Bar Steel SCM440

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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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1.Specification
Round bar	Diameter(mm)	Length (mm)
20~600	3000~9000
Plate	Thickness(mm)	Width (mm)	Length (mm)
Max:800	Max:2200	Max:9000
*Specification can be customized for sure.
2.Chemical Compositons
Grade	C	Si	Mn	P	S	Cr	Mo	Ni
SCM440	0.38~0.45	0.17~0.37	0.50~0.8	≤0.035	≤0.035	0.9~1.2	0.15-0.25	≤0.3
4140	0.40~0.45	0.15~0.35	0.75~1.0	≤0.035	≤0.040	0.8~1.1	0.15-0.25	-
SCM415	0.38~0.43	0.15~0.35	0.60~0.9	≤0.030	≤0.030	0.9~1.2	0.15-0.30	≤0.25
1.7225	0.38~0.45	≤0.40	0.60~0.9	≤0.025	≤0.035	0.9~1.2	0.15-0.30
3.Delivery Conditions
Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
4.Typical Applications
a.Statically and dynamically stressed components for vehicles
b.Parts of larger cross-sections, crankshafts, gears
c.Gears, stem assemblies,
d.Pump shafts and tool holders

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Special Steel 42CrMo Round Bar Steel SCM440

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q:What are the different cutting grades of special steel?: There are several cutting grades of special steel that are commonly used in various industries. These cutting grades are designed to possess specific properties and characteristics that make them suitable for different cutting applications. Some of the different cutting grades of special steel include: 1. High-speed steel (HSS): This cutting grade is known for its excellent hardness, wear resistance, and heat resistance. It can retain its hardness at high temperatures, making it ideal for cutting tools used in high-speed machining operations. 2. Tool steel: Tool steel is a versatile cutting grade that is used for a wide range of cutting applications. It offers high hardness, toughness, and abrasion resistance, making it suitable for cutting tools, dies, and molds. 3. Stainless steel: Stainless steel is a popular cutting grade due to its corrosion resistance and durability. It is commonly used in the food, medical, and automotive industries, where precision cutting and cleanliness are crucial. 4. Carbon steel: Carbon steel is a commonly used cutting grade known for its high strength and toughness. It is often used for cutting tools, knives, and blades. However, carbon steel is susceptible to corrosion, so proper maintenance and care are necessary to prevent rusting. 5. Alloy steel: Alloy steel is a cutting grade that is made by combining different elements to enhance its properties. It offers improved hardness, strength, and wear resistance, making it suitable for high-stress cutting applications. Alloy steel is commonly used in the aerospace, automotive, and construction industries. These are just a few examples of the different cutting grades of special steel. Each grade has its own unique properties and advantages, allowing manufacturers to choose the most suitable grade based on the specific cutting requirements and conditions.

Q:How does special steel perform in terms of magnetic properties?: Special steel typically has low magnetic permeability, meaning it has poor magnetic properties. This is due to the presence of alloying elements such as chromium and nickel, which help in reducing the material's magnetic susceptibility. However, there are certain types of special steels, such as ferritic stainless steels, that have higher magnetic permeability. Overall, the magnetic properties of special steel can vary depending on its composition and intended application.

Q:Can special steel be used for making electronics components?: Yes, special steel can be used for making electronics components. Special steel, such as stainless steel, can provide excellent corrosion resistance, durability, and electrical conductivity, making it suitable for various applications in electronics manufacturing.

Q:What are the common alloys used in special steel?: Some common alloys used in special steel include stainless steel, tool steel, and high-speed steel.

Q:How does special steel compare to other high-performance materials?: Special steel is known for its exceptional strength, durability, and versatility, which sets it apart from other high-performance materials. Compared to materials like aluminum, titanium, and composites, special steel often exhibits higher tensile strength, making it suitable for applications that require robustness and load-bearing capabilities. Additionally, special steel has excellent resistance to corrosion, heat, and wear, making it ideal for use in harsh environments or high-temperature applications. One advantage of special steel over other high-performance materials is its cost-effectiveness. Compared to materials like titanium, special steel is more affordable, making it a preferred choice for various industries. Moreover, the manufacturing process of special steel allows for customization, enabling the production of a wide range of grades and compositions to suit specific requirements. Special steel also offers excellent machinability and weldability, allowing for easy fabrication and assembly. Its versatility enables it to be used in a wide range of industries, including automotive, aerospace, construction, and energy. From structural components to precision tools, special steel provides a reliable and efficient solution. However, it is important to note that the choice of material depends on the specific application and its requirements. While special steel has numerous advantages, other high-performance materials may be more suitable for certain applications, such as lightweight components or extreme temperature conditions. Therefore, a comprehensive evaluation of the specific needs and characteristics of the application is necessary before determining the most appropriate material.

Q:What are the properties of magnetic alloy steel?: Magnetic alloy steel possesses several properties that make it unique and useful. It exhibits high magnetic permeability, allowing it to effectively conduct magnetic fields. This property makes it ideal for applications such as transformers, electromagnetic devices, and magnetic cores. Additionally, magnetic alloy steel has excellent mechanical strength and durability, enabling it to withstand high temperatures and resist corrosion. Its combination of magnetic and structural properties makes it a valuable material for various industrial and technological purposes.

Q:What are some examples of special steel alloys?: There are several examples of special steel alloys that are widely used in various industries. One such example is stainless steel, which contains a minimum of 10.5% chromium, making it highly resistant to corrosion. Stainless steel is commonly used in the manufacturing of kitchen utensils, medical equipment, and automotive parts. Another example is tool steel, which is specifically designed to have high hardness and wear resistance. Tool steel is commonly used in the production of cutting tools, molds, and dies. High-speed steel is another special steel alloy that is known for its exceptional ability to maintain hardness even at high temperatures. This makes it ideal for manufacturing cutting tools used in high-speed machining operations. Alloy steel is a broad category that includes various steel alloys with specific properties. For example, low alloy steel contains small amounts of other elements such as manganese, nickel, or silicon to enhance its strength and toughness. This type of steel is commonly used in the construction industry. Furthermore, maraging steel is a special alloy that combines high strength with good toughness. It is often used in aerospace applications, such as aircraft landing gear and missile components, due to its ability to withstand high stress and impact. Overall, these are just a few examples of the many special steel alloys available, each tailored to meet specific requirements and applications in industries ranging from construction to aerospace.

Q:How does special steel perform in cryogenic applications?: Special steel performs well in cryogenic applications due to its ability to maintain its mechanical properties at extremely low temperatures. It has a low thermal expansion coefficient, high strength, and excellent toughness, which are essential characteristics for withstanding the extreme conditions of cryogenic environments. Additionally, special steel exhibits good resistance to corrosion and oxidation, making it suitable for use in cryogenic applications where exposure to low temperatures and cryogenic fluids is common.

Q:What are the challenges in manufacturing special steel?: Some of the challenges in manufacturing special steel include the high cost of raw materials, the complex and precise production processes, ensuring consistent quality and performance, meeting specific customer requirements, and staying up-to-date with rapidly advancing technologies and industry standards. Additionally, the demand for customization and shorter lead times can also present challenges in terms of production planning and logistics.

Q:What are the varieties of special steel: The alloy steel and high alloy steel special steel production accounted for 70%, mainly for special steel carbon structural steel, carbon tool steel, carbon spring steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, alloy tool steel, high-speed tool steel, stainless steel, heat-resistant steel and high-temperature alloy, precision electrothermal alloy alloy, etc..

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