Special Steel Scm440 Aisi 4140 Steel CNBM

Special Steel Scm440 Aisi 4140 Steel CNBM

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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

Special Steel Scm440 Aisi 4140 Steel CNBM

Product Description:

1.Dia: 10mm-300mm
2.Length: 3000mm-12000mm
3.Process: EAF + LF + VD + Forged + Heat Treatment (optional)
4.Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
5.Forged ratio: no less than 3:1
6.Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
7.Test: ultrasonic test according to SEP 1921-84 3C/c
8.Material details will be as per agreed technical specifications
9.Certificate of Quality: issued in English, in addition the normal terms

Chemical Composition:

GB	AISI	JIS	DIN	C	Si	Mn	Cr	Mo
27SiMn	-	-	-	0.24-0.32	1.10-1.40	1.10-1.40	0.3	0.10-0.15
40Cr	5140	SCM440	41Cr4	0.37-0.44	0.17-0.37	0.50-0.80	0.80-1.10	0.10-0.15
35CrMo	4135	SCM435	34CrMo4	0.32-0.40	0.17-0.37	0.40-0.70	0.80-1.10	0.15-0.25
42CrMo	4140 4142	SCM440	42CrMo4	0.38-0.45	0.17-0.37	0.50-0.80	0.90-1.20	0.15-0.25

Application:

scm440 hot rolled round bars and forged round bars used in the manufacture of requirements higher than

35 crmo steel strength and conditioning section larger forgings, such as locomotive traction with the big gear,

supercharger drive gear, pressure vessel gear.

Product Show:

Special Steel Scm440 Aisi 4140 Steel CNBM

Q: How is electrical resistance steel used in heating elements?: Electrical resistance steel is used in heating elements due to its high resistivity. When an electric current passes through this steel, it encounters resistance, which causes the steel to heat up. This heat is then transferred to the surrounding environment, allowing the heating element to generate and maintain a desired temperature.

Q: How is high-strength stainless steel used in the production of structural components?: High-strength stainless steel is commonly utilized in the production of structural components due to its remarkable properties. Its high tensile strength, corrosion resistance, and durability make it ideal for constructing critical load-bearing structures such as bridges, buildings, and infrastructure. Additionally, the stainless steel's ability to withstand extreme environmental conditions and its aesthetic appeal further enhance its usage in various structural applications.

Q: Can special steel be used in electrical applications?: Yes, special steel can be used in electrical applications. Special steel alloys, such as stainless steel or tool steel, possess specific properties that make them suitable for use in electrical applications. These properties include good electrical conductivity, high resistance to corrosion, and high strength. Stainless steel, for example, is often used in electrical enclosures, wire mesh, and connectors due to its ability to resist corrosion caused by moisture or chemicals. Tool steel, on the other hand, is commonly used in the manufacturing of electrical tools and equipment, such as pliers or screwdrivers, due to its high strength and durability. Overall, special steel alloys can offer the required electrical properties and performance needed for various electrical applications.

Q: Can special steel be used in the production of gearboxes?: Yes, special steel can be used in the production of gearboxes. Special steel, such as alloy steel or heat-treated steel, is often preferred for gear manufacturing due to its high strength, durability, and resistance to wear and fatigue. These properties make special steel well-suited for transmitting power and withstanding the demands of heavy-duty applications, making it an ideal material choice for gearboxes.

Q: Can special steel be used in the production of turbine blades?: Yes, special steel can be used in the production of turbine blades. Special steel alloys, such as nickel-based superalloys, are commonly used due to their high strength, heat resistance, and excellent corrosion resistance, making them suitable for the demanding conditions and extreme temperatures experienced in turbine engines.

Q: How is special steel used in the textile supply chain?: Special steel is used in the textile supply chain for various applications such as manufacturing textile machinery, equipment, and tools. The high strength and durability of special steel make it ideal for creating components that can withstand the demanding conditions of textile production, including high temperatures, corrosion, and heavy loads. It is commonly used in the production of spinning machines, looms, needles, and other crucial parts, ensuring efficient and reliable textile manufacturing processes.

Q: Can special steel be used in the aerospace parts manufacturing industry?: Yes, special steel can be used in the aerospace parts manufacturing industry. Special steel alloys, such as stainless steel and titanium alloys, possess properties like high strength, corrosion resistance, and heat resistance, making them suitable for use in critical aerospace components like engine parts, landing gears, and structural elements. Their ability to withstand extreme conditions, along with their lightweight nature, makes special steel a preferred choice in the aerospace industry to ensure safety, durability, and optimum performance of aircraft.

Q: What are the properties of aluminum alloys?: Aluminum alloys possess several properties that make them highly desirable in various industries. These properties include lightweight, excellent corrosion resistance, high strength-to-weight ratio, good formability, and electrical conductivity. Additionally, aluminum alloys can be easily cast, machined, and welded, making them highly versatile in different applications.

Q: Can special steel be used in the wastewater treatment industry?: Yes, special steel can be used in the wastewater treatment industry. Special steel, such as stainless steel or corrosion-resistant alloys, is commonly used in the construction of wastewater treatment equipment and infrastructure due to its durability, resistance to corrosion, and ability to withstand harsh chemical environments. These properties make special steel an ideal choice for components like pipes, tanks, pumps, and screens, ensuring long-term reliability and performance in wastewater treatment processes.

Q: How does special steel perform in heat treatment applications?: Special steel performs well in heat treatment applications due to its unique composition and properties. It has a high carbon content, which allows it to be hardened and tempered to achieve desired hardness, strength, and wear resistance. The controlled heating and cooling processes during heat treatment enable the transformation of its microstructure, enhancing its mechanical properties. Special steel also exhibits excellent heat resistance, maintaining its strength and toughness even at elevated temperatures. Overall, special steel is highly suitable for heat treatment applications, providing superior performance and durability.

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