Special Steel SAE4140 Alloy Steel Bar 42CrMo4

Special Steel SAE4140 Alloy Steel Bar 42CrMo4 System 1

Special Steel SAE4140 Alloy Steel Bar 42CrMo4

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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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Product Information

1. Grade: 4140 , SAE4140, 42CrMo4, 1.7225

2. Specification: Dia: 16~800mm Length:2000-13000mm or as required

3. Process: EAF+LF+VD

4. Technique:Forged

5.Treatment:hot rolled,cold drawn

6.Mechanical performance:

Strength of extension	1080MPA
Yield point	930MPA
Elongation	12%
Contractibility rate	45%
Impacting energy	63J

7. Chemical composition(for reference only)

Grade	C	Si	Mn	P≤	S≤	Cr	Mo
SAE4140	0.38/0.43	0.15/0.35	0.75/1.00	0.035	0.035	0.80/1.10	0.15/0.25

8. Compared grades of 4140 steel

GB-China	AISI-America	DIN-GERMANY	JIS-Japan
42CrMo	4140	1.7225	SCM440

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Special Steel SAE4140 Alloy Steel Bar 42CrMo4

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Special Steel SAE4140 Alloy Steel Bar 42CrMo4

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: Can special steel be used for making cutting tools?: Yes, special steel can be used for making cutting tools. Special steel, also known as tool steel, is specifically designed and manufactured to have excellent hardness, wear resistance, and toughness properties, making it highly suitable for cutting tool applications. The unique composition and heat treatment processes of special steel enable it to withstand high temperatures and maintain sharp cutting edges, ensuring efficient and durable performance for cutting tools.

Q: How does special steel perform in high-velocity impact conditions?: Special steel is specifically designed to provide exceptional performance in high-velocity impact conditions. Its unique composition and metallurgical properties make it highly resistant to deformation and failure when subjected to extreme forces. One of the key characteristics of special steel is its high strength, which allows it to withstand the tremendous forces experienced in high-velocity impact situations. This strength is a result of careful alloying and heat treatment processes that enhance the material's ability to absorb and distribute energy. As a result, special steel can effectively resist deformation and maintain its structural integrity even under severe impact loads. Additionally, special steel possesses excellent toughness, enabling it to absorb large amounts of energy before fracturing. This property is crucial in high-velocity impact conditions, where the material needs to withstand sudden and intense forces. The high toughness of special steel allows it to absorb and dissipate the impact energy, preventing catastrophic failure and ensuring the continued performance of the component or structure. Moreover, special steel often exhibits excellent wear and abrasion resistance, which is beneficial in high-velocity impact scenarios that involve sliding or rubbing contact. This resistance to wear ensures that the material retains its integrity and functionality even under prolonged and repetitive impact conditions, reducing the risk of premature failure. In summary, special steel performs exceptionally well in high-velocity impact conditions due to its high strength, excellent toughness, and superior wear resistance. Its ability to withstand extreme forces and absorb impact energy effectively makes it a preferred choice for applications where durability and reliability are paramount.

Q: Can special steel be used in the mining equipment manufacturing industry?: Yes, special steel can be used in the mining equipment manufacturing industry. Special steel, such as high-strength or wear-resistant steel, is often utilized in the construction of mining equipment due to its ability to withstand harsh conditions, heavy loads, and abrasive materials encountered in the mining industry.

Q: How does special steel contribute to the aerospace material recyclability?: Special steel contributes to aerospace material recyclability in several ways. First, special steel is known for its high strength-to-weight ratio, making it a preferred choice for critical components in aircraft. This means that when these components reach the end of their service life, they can be recycled and repurposed without compromising the safety and structural integrity of the aircraft. Additionally, special steel is highly durable and resistant to corrosion, making it suitable for long-term use in harsh aerospace environments. This durability ensures that the steel can be recycled multiple times without significant degradation in its mechanical properties, further enhancing the recyclability of aerospace materials. Moreover, the metallurgical properties of special steel allow for efficient recycling processes. Steel is a highly recyclable material, and special steel alloys can be easily separated from other materials during the recycling process. This ease of separation and the high value of steel in the recycling market make special steel an economically viable choice for aerospace manufacturers and recyclers. In summary, special steel's strength, durability, corrosion resistance, and ease of recycling make it a valuable contributor to the recyclability of aerospace materials. By using special steel in aircraft components, the aerospace industry can enhance sustainability efforts and reduce the environmental impact of its operations.

Q: What are the different certifications available for special steel?: There are several certifications available for special steel, depending on the specific industry and application. Some of the commonly recognized certifications include: 1. ISO 9001: This certification ensures that the special steel manufacturer has implemented and maintained a quality management system that complies with international standards. It demonstrates the company's commitment to consistently providing products that meet customer requirements. 2. ISO 14001: This certification focuses on environmental management and ensures that the special steel manufacturer has implemented environmentally friendly practices in their operations. It demonstrates the company's commitment to reducing their environmental impact. 3. ASME (American Society of Mechanical Engineers) certifications: ASME offers various certifications for special steel used in pressure vessels, boilers, and other applications. These certifications ensure that the special steel meets specific quality and safety standards required by the industry. 4. PED (Pressure Equipment Directive): This certification is required for special steel used in pressure equipment in the European Union. It ensures that the steel meets specific safety and quality requirements. 5. NACE (National Association of Corrosion Engineers) certifications: NACE offers certifications for special steel used in corrosive environments. These certifications ensure that the steel has the necessary resistance against corrosion and can withstand harsh conditions. 6. API (American Petroleum Institute) certifications: API offers certifications for special steel used in the oil and gas industry. These certifications ensure that the steel meets specific quality and performance standards required for various applications in the industry. 7. ASTM (American Society for Testing and Materials) certifications: ASTM offers various certifications for special steel based on specific standards and specifications. These certifications ensure that the steel meets the required mechanical properties, chemical composition, and other criteria. It is important for manufacturers, suppliers, and end-users to consider these certifications when selecting special steel for their specific applications. These certifications provide assurance and confidence in the quality, safety, and performance of the special steel products.

Q: How does special steel contribute to the manufacturing of precision components?: Special steel plays a crucial role in the manufacturing of precision components by offering superior strength, durability, and resistance to wear and corrosion. Its unique properties allow for the production of complex and intricate parts that require high levels of precision and accuracy. Additionally, special steel often exhibits excellent machinability, enabling manufacturers to achieve tight tolerances and fine finishes. Overall, special steel enhances the performance and reliability of precision components, making it an essential material in the manufacturing industry.

Q: What are the requirements for special steel used in industrial equipment manufacturing?: Special steel used in industrial equipment manufacturing typically has certain requirements to ensure its suitability for use in demanding applications. Some of the key requirements for special steel in this context include: 1. High strength: Industrial equipment often operates under heavy loads, so special steel must have excellent strength properties to withstand these forces. It should have a high yield strength, tensile strength, and hardness to prevent deformation or failure. 2. Corrosion resistance: Many industrial environments are prone to corrosion due to exposure to chemicals, moisture, or extreme temperature variations. Special steel used in such applications should have good corrosion resistance to prevent degradation and ensure long-term performance. 3. Wear resistance: Industrial equipment often experiences significant wear due to friction, abrasion, or impact. Therefore, special steel should have high wear resistance to maintain its integrity and prevent premature failure. 4. Toughness and impact resistance: Equipment used in industrial settings may face sudden shocks, impacts, or vibrations. Special steel should possess good toughness and impact resistance to absorb energy and resist fracture or cracking. 5. Heat resistance: In certain industrial processes, equipment may be exposed to high temperatures or rapid temperature changes. Special steel should have good heat resistance, with the ability to retain its strength, hardness, and other mechanical properties even at elevated temperatures. 6. Machinability: Special steel used in industrial equipment manufacturing should have good machinability to facilitate the fabrication process. It should allow for easy cutting, drilling, welding, and other machining operations without excessive tool wear or damage to the material. 7. Dimensional stability: Equipment components need to maintain their shape and dimensions under different operating conditions. Special steel should exhibit dimensional stability to prevent warping, distortion, or dimensional changes that could affect the performance or assembly of the equipment. Meeting these requirements ensures that special steel used in industrial equipment manufacturing can withstand the harsh conditions, provide reliable performance, and have a long service life, ultimately contributing to the overall efficiency and productivity of industrial processes.

Q: What are the properties of magnetic steel?: Magnetic steel is characterized by its ability to attract and hold a magnetic field. It has a high magnetic permeability, allowing it to easily magnetize and demagnetize. Magnetic steel also exhibits high coercivity, meaning it has a strong resistance to losing its magnetization. Additionally, it possesses high electrical conductivity and is often used in various applications such as transformers, motors, and magnetic storage devices.

Q: What are the common alloys used in special steel?: Some common alloys used in special steel include stainless steel (which contains chromium and often nickel), tool steel (which contains tungsten, vanadium, and sometimes cobalt), and high-speed steel (which contains tungsten, molybdenum, and sometimes cobalt).

Q: What are the applications of high-strength low-alloy (HSLA) steel?: High-strength low-alloy (HSLA) steel has various applications in different industries. It is commonly used in the automotive industry for manufacturing lightweight and fuel-efficient vehicles. HSLA steel is also utilized in construction for building structures that require high strength and durability. Additionally, it finds applications in the manufacturing of heavy machinery and equipment, as well as in the production of pipelines and offshore platforms in the oil and gas industry.

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