Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars

Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars System 1

Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars

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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 Standards and Chemical Composition:

GB	DIN	JIS	BS
20CrMo	25CrMo4	SCM420	25CrMo4

C	Si	Mn	P	S	Cr	Ni	Cu
0.17-0.23	0.15-0.35	0.55-0.90	0.030	0.030	0.85-1.25	0.30	0.30

2 Mechanical Property:

Yield Strength (MPa)	≥685
Tensile Strength (MPa)	≥885
Elongation (%)	≥12
Hardness (HB)	≤197
Reduction in Area (%)	≥50
AKV (J)	≥78

3 Brief Introduction:

Dimension	14-350mm
Length	2-13m or as per your request
Delivery condition	Hot rolled
Heat Treatment	Normalizing, Annealing, Quenching
Packing	Standard seaworthy packing or according to your requirements

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Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars

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Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars

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 specific requirements for special steel used in the oil and gas sector?: The specific requirements for special steel used in the oil and gas sector are primarily focused on its ability to withstand harsh and demanding environments. Some of the key requirements include: 1. Corrosion Resistance: Special steel used in the oil and gas sector must have excellent resistance to corrosion caused by various factors such as moisture, chemicals, and high temperatures. This ensures the longevity and reliability of the equipment in corrosive environments. 2. High Strength: The steel must possess high strength and toughness to withstand the extreme pressure, stress, and load conditions experienced in oil and gas operations. This is crucial for ensuring the structural integrity of equipment like pipelines, offshore platforms, and drilling components. 3. Low Temperature Resistance: Oil and gas operations often involve working in extremely low-temperature conditions, especially in deep-sea exploration or Arctic regions. Special steel used in such applications must have good low-temperature toughness to prevent brittle fracture and maintain its mechanical properties. 4. Weldability: Special steel used in the oil and gas sector should exhibit good weldability to ensure ease of fabrication and construction. This is crucial for joining various components and pipelines together, ensuring structural integrity and minimizing the risk of failure. 5. Resistance to Hydrogen-Induced Cracking (HIC): In the presence of hydrogen sulfide gas, which is common in many oil and gas environments, special steel must have resistance to hydrogen-induced cracking. HIC can lead to catastrophic failures, so the steel must be specifically designed to prevent this phenomenon. 6. Sour Service Resistance: In certain oil and gas fields, the presence of hydrogen sulfide and other corrosive gases necessitates the use of special steel that can withstand sour service conditions. The steel must have high resistance to sulfide stress cracking and exhibit good mechanical properties under these harsh conditions. 7. Compliance with Industry Standards: Special steel used in the oil and gas sector must meet specific industry standards and specifications, such as those set by the American Petroleum Institute (API), to ensure quality, reliability, and safety. Overall, the requirements for special steel used in the oil and gas sector are driven by the need for durability, reliability, and safety in challenging operating environments. These requirements may vary depending on the specific application within the industry, but they are all critical for ensuring the smooth and efficient functioning of oil and gas operations.

Q: How does special steel contribute to the power generation equipment industry?: Enhanced performance, durability, and reliability are crucial contributions of special steel to the power generation equipment industry. Turbines, generators, and transformers, which operate in harsh conditions characterized by high temperatures, pressure, and corrosive environments, benefit from the unique properties and characteristics of special steel. An advantage of special steel in power generation equipment lies in its capacity to withstand high temperatures. Heat-resistant steel alloys, explicitly designed for extreme conditions, enable power plants to function efficiently and safely at elevated temperatures. These steels maintain their strength, structural integrity, and resistance to creep and fatigue even under the highest operating temperatures, guaranteeing the reliability and longevity of the equipment. Moreover, special steel exhibits excellent corrosion resistance, a critical feature for power generation equipment due to the presence of corrosive elements like water, steam, and chemicals. Stainless steel, in particular, is highly utilized in power plants thanks to its remarkable corrosion resistance, preventing equipment degradation and reducing maintenance costs. By employing special steel, power generation companies can minimize downtime and improve overall efficiency. Furthermore, special steel contributes significantly to the power generation equipment industry by providing exceptional strength and mechanical properties. This is especially crucial for large-scale equipment like turbines and generators, which face high mechanical loads. High-strength special steel allows these components to withstand stress and pressure, ensuring their safe and reliable operation over extended periods. Additionally, special steel's unique properties, such as high hardness and wear resistance, make it suitable for critical components like blades and rotors, minimizing the risk of failure and enhancing overall performance. In conclusion, special steel is an indispensable material within the power generation equipment industry. Its ability to endure high temperatures, resist corrosion, and provide exceptional strength and mechanical properties ensures the reliability, durability, and efficiency of power plants. Through the utilization of special steel, power generation companies can enhance equipment performance and reduce maintenance costs, ultimately contributing to the sustainable and dependable production of electricity.

Q: How does special steel contribute to the transportation equipment industry?: Special steel plays a crucial role in the transportation equipment industry by providing high strength, durability, and resistance to wear and corrosion. It allows for the construction of lighter yet stronger components, leading to improved fuel efficiency, increased payload capacity, and enhanced safety in vehicles. Additionally, special steel enables the production of precision parts and components, ensuring the reliability and performance of transportation equipment.

Q: What are the main characteristics of heat-resistant steel?: Heat-resistant steel, also known as high-temperature steel, is a type of alloy that possesses specific properties that enable it to withstand extreme temperatures without losing its mechanical strength and integrity. The main characteristics of heat-resistant steel include: 1. High resistance to thermal fatigue: Heat-resistant steel is designed to withstand cyclic heating and cooling without developing cracks or fractures. This property allows it to maintain its structural integrity even in environments with rapid temperature fluctuations. 2. Excellent creep resistance: Creep is the gradual deformation that occurs in a material when it is exposed to high temperatures over an extended period. Heat-resistant steel exhibits exceptional resistance to creep, ensuring that it retains its shape and strength even under prolonged heat exposure. 3. Retention of mechanical properties at elevated temperatures: Unlike regular steel, which can experience a significant reduction in strength and hardness at high temperatures, heat-resistant steel retains its mechanical properties even at extreme temperatures. This characteristic makes it suitable for applications in industries such as aerospace, power generation, and oil and gas. 4. Oxidation and corrosion resistance: Heat-resistant steel is highly resistant to oxidation and corrosion at elevated temperatures. It forms a protective oxide layer on its surface, preventing the underlying material from being attacked by oxygen or other corrosive elements. This property enhances the longevity and reliability of components made from heat-resistant steel. 5. High thermal conductivity: Heat-resistant steel possesses excellent thermal conductivity, allowing it to efficiently transfer heat away from its surface. This feature is particularly beneficial in applications where heat dissipation is critical, such as in heat exchangers and furnace components. 6. Low thermal expansion: Heat-resistant steel has a relatively low coefficient of thermal expansion, meaning it expands and contracts minimally when subjected to temperature changes. This characteristic ensures dimensional stability and reduces the risk of warping or distortion under thermal stress. Overall, the main characteristics of heat-resistant steel make it an ideal material for applications that involve exposure to high temperatures, such as furnace components, exhaust systems, gas turbines, and heat exchangers. Its ability to withstand extreme heat without compromising its structural integrity and mechanical properties make it a crucial material in industries where temperature resistance is paramount.

Q: How is corrosion-resistant steel used in marine environments?: Corrosion-resistant steel is used extensively in marine environments due to its ability to withstand the harsh conditions of saltwater exposure. It is commonly used in the construction of ships, oil rigs, offshore platforms, and other marine structures. The steel's high resistance to corrosion helps prevent rusting and deterioration, ensuring the longevity and durability of these structures in the corrosive marine environment.

Q: How does special steel contribute to reducing product costs?: Special steel contributes to reducing product costs in several ways. Firstly, special steel is known for its high strength and durability, which allows manufacturers to design and produce products that have a longer lifespan. This reduces the need for frequent replacements or repairs, thus saving costs in the long run. Additionally, special steel can be customized to meet specific requirements, allowing for the production of lighter and more efficient products. This can lead to savings in terms of raw material usage, transportation costs, and energy consumption. Moreover, special steel often has excellent corrosion resistance, reducing the need for additional protective coatings or maintenance, which can also result in cost savings. Overall, the utilization of special steel in manufacturing processes helps optimize product performance, longevity, and efficiency, thereby contributing to reducing product costs.

Q: Can special steel be used in corrosive environments?: Yes, special steel can be used in corrosive environments. Special types of steel, such as stainless steel or corrosion-resistant alloys, are designed to withstand corrosion caused by exposure to moisture, chemicals, or other corrosive elements. These materials have a higher resistance to rust and corrosion, making them suitable for applications in corrosive environments like marine environments, chemical plants, or oil and gas facilities.

Q: What are the main advantages of using special steel in the automotive racing industry?: The main advantages of using special steel in the automotive racing industry are its high strength-to-weight ratio, excellent durability, and superior heat resistance. Special steel allows for the construction of lightweight yet strong components, enhancing the overall performance and speed of racing cars. Additionally, its exceptional durability ensures that the parts can withstand the extreme forces and vibrations experienced during racing, minimizing the risk of failure. Moreover, special steel's excellent heat resistance prevents deformation or weakening of components, even under high temperatures generated by the intense racing conditions.

Q: How are copper alloys used in electrical applications?: Copper alloys are widely used in electrical applications due to their excellent electrical conductivity and thermal conductivity properties. These alloys, such as brass and bronze, are used in the production of electrical connectors, terminals, and conductors. They are also utilized in circuit breakers, switches, and motors due to their high strength and corrosion resistance. Additionally, copper alloys are used in the manufacturing of electrical cables and wiring systems, ensuring efficient transmission of electricity with minimal power loss.

Q: Can special steel be used in the manufacturing of precision instruments?: Indeed, precision instruments can benefit from the utilization of special steel. Special steel encompasses a range of steel types that have been purposefully crafted and processed to possess specific attributes, such as heightened strength, hardness, resistance to corrosion, and thermal stability. These unique qualities render special steel highly suitable for applications necessitating precision and accuracy, such as precision instrument manufacturing. Precision instruments, such as surgical tools, measuring devices, optical instruments, and scientific equipment, necessitate materials capable of retaining dimensional stability and enduring extreme conditions. Special steels, such as stainless steel, tool steel, and high-speed steel, provide exceptional mechanical properties, including remarkable tensile strength, resistance to wear, and dimensional stability. Consequently, these kinds of steel are well-suited for the production of precision instruments. Moreover, special steel can be engineered to possess specific characteristics, such as low magnetic permeability or excellent resistance to temperature fluctuations. These attributes prove particularly vital in precision instruments, as magnetic interference or temperature variations have the potential to impact their performance. To summarize, special steel can indeed be employed in the manufacturing of precision instruments due to its exceptional mechanical properties, dimensional stability, and ability to withstand harsh conditions. Its versatility enables the production of precision instruments of superior quality, fulfilling the stringent requirements of various industries, including the medical, scientific, and engineering sectors.

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