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

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Customer Service

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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

Product Show

Special Steel DIN 25CrMo4 Hot Rolled Steel Round Bars

Workshop Show

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:How does special steel contribute to the strength of structures?: Special steel contributes to the strength of structures by providing enhanced mechanical properties such as higher tensile strength, improved toughness, and increased resistance to corrosion. These properties allow special steel to bear heavier loads, withstand extreme weather conditions, and maintain structural integrity over time, making it a crucial material choice for constructing durable and reliable buildings, bridges, and other infrastructure.

Q:What are the common applications of stainless special steel?: Stainless special steel, also known as stainless steel, has a wide range of applications due to its unique properties and characteristics. Some common applications of stainless special steel include: 1. Construction: Stainless steel is widely used in the construction industry for various purposes such as building facades, roofing, and structural components. Its high strength, corrosion resistance, and aesthetic appeal make it a preferred choice for architects and engineers. 2. Automotive industry: Stainless steel is extensively used in the automotive industry for manufacturing various components such as exhaust systems, mufflers, fuel tanks, and decorative trims. Its resistance to corrosion, heat, and impact makes it ideal for these applications. 3. Aerospace industry: Stainless steel is utilized in the aerospace industry for manufacturing aircraft components, including aircraft frames, engine components, and landing gear. Its exceptional strength-to-weight ratio, high-temperature resistance, and corrosion resistance make it suitable for the demanding conditions of aerospace applications. 4. Medical equipment: Stainless steel is widely used in the medical industry for manufacturing surgical instruments, implants, and medical equipment. Its biocompatibility, resistance to corrosion, and ease of sterilization make it an ideal material for such critical applications. 5. Food processing: Stainless steel is extensively used in the food processing industry for manufacturing equipment such as storage tanks, pipes, and containers. Its hygienic properties, corrosion resistance, and ease of cleaning make it suitable for maintaining the integrity and safety of food products. 6. Chemical industry: Stainless steel finds numerous applications in the chemical industry due to its resistance to corrosion from various chemicals and acids. It is used for manufacturing storage tanks, pipes, valves, and other equipment required in chemical processing plants. 7. Marine applications: Stainless steel is widely used in the marine industry for manufacturing components such as boat fittings, propellers, and underwater structures. Its resistance to corrosion from saltwater and harsh marine environments makes it an excellent choice for marine applications. 8. Energy industry: Stainless steel is utilized in the energy industry for manufacturing equipment such as pipelines, valves, and heat exchangers. Its high-temperature resistance, corrosion resistance, and durability make it suitable for use in power plants, oil refineries, and nuclear facilities. Overall, stainless special steel is a versatile material that finds applications in various industries due to its exceptional properties, including corrosion resistance, strength, durability, and aesthetic appeal.

Q:How is special steel tested for quality and durability?: Special steel undergoes a series of rigorous processes and tests to assess its quality and durability. These tests are carefully designed to guarantee that the steel meets the necessary standards and can withstand different conditions and applications. One widely used method for testing special steel is the tensile strength test. This test measures the maximum level of stress that the steel can endure before breaking or deforming. To conduct this test, a sample of the steel is subjected to a pulling force until it reaches its breaking point. The outcomes of this test determine the steel's ability to resist external forces and its overall strength. Another crucial test is the hardness test, which determines the steel's durability. This test involves assessing the steel's resistance to indentation or scratching. A sample of the steel is pressed against a hard surface, and the depth of the indentation is measured. The steel's hardness indicates its resistance to wear and deformation. Apart from mechanical tests, special steel is also subjected to various chemical and metallurgical tests. These tests help determine the steel's chemical composition and microstructure, which are vital factors in ensuring its quality and durability. Spectroscopic analysis is used to identify the steel's exact chemical composition, while metallography is employed to examine the steel's microstructure and identify any impurities or defects. Furthermore, non-destructive testing methods are used to evaluate the steel's internal structure without causing any damage. These methods include ultrasonic testing, magnetic particle inspection, and radiographic testing. Ultrasonic testing employs high-frequency sound waves to detect internal flaws or defects in the steel. Magnetic particle inspection uses magnetic fields to identify surface cracks or discontinuities. Radiographic testing, on the other hand, uses X-rays or gamma rays to examine the internal structure and identify any defects that may compromise the steel's quality and durability. Overall, the testing process for special steel encompasses mechanical, chemical, metallurgical, and non-destructive testing methods. Through these tests, manufacturers can ensure that the steel meets the necessary standards and can perform reliably in various applications, ensuring its quality and durability.

Q:What are the main applications of special steel in the packaging machinery?: Special steel is commonly used in packaging machinery for its high strength, durability, and resistance to wear and corrosion. It is primarily employed in the production of components such as blades, knives, rollers, and bearings, ensuring smooth and efficient packaging operations. Additionally, special steel's heat resistance and ability to maintain precision under extreme conditions make it suitable for applications involving high-speed packaging, cutting, and sealing processes.

Q:How are magnesium alloys used in lightweight structures?: Magnesium alloys are used in lightweight structures due to their exceptional strength-to-weight ratio. These alloys offer high strength and stiffness while being significantly lighter than other metals like steel or aluminum. This makes them ideal for applications in sectors such as aerospace, automotive, and sports equipment, where weight reduction is crucial without compromising structural integrity. Additionally, magnesium alloys possess good vibration damping properties, corrosion resistance, and excellent machinability, making them even more advantageous for lightweight structure design.

Q:How is alloy steel used in the production of gears and shafts?: Alloy steel is used in the production of gears and shafts due to its high strength and durability. By adding different alloying elements such as chromium, nickel, and molybdenum, the steel's properties can be enhanced to withstand heavy loads, high temperatures, and wear. This makes alloy steel ideal for manufacturing gears and shafts that need to transmit power, resist deformation, and maintain their integrity under demanding conditions.

Q:Can special steel be used in the pharmaceutical manufacturing industry?: No, special steel is not typically used in the pharmaceutical manufacturing industry. The industry requires specific materials, such as stainless steel, that meet strict regulatory requirements for cleanliness, corrosion resistance, and compatibility with pharmaceutical products.

Q:How is special steel used in the power generation industry?: Special steel is used in the power generation industry for various applications such as turbine blades, generator shafts, and boiler tubes. The high strength, corrosion resistance, and heat resistance properties of special steel ensure efficient and reliable power generation. Additionally, special steel is used in the construction of power plant infrastructure, including pipelines and structures, to enhance durability and safety.

Q:What are the different methods of joining special steel?: There are various techniques available for joining special steel, each presenting its own advantages and limitations. Some of the most frequently employed methods comprise: 1. Welding: The most prevalent technique for joining steel involves melting the base material and incorporating a filler material to establish a robust connection. Depending on the specific requirements, different welding techniques like arc welding, gas welding, and laser welding can be utilized. 2. Brazing: This approach necessitates heating the steel and melting a filler metal with a lower melting point, which then infiltrates the joint through capillary action. Brazing is commonly employed when joining dissimilar metals or when a lower-temperature joining process is indispensable. 3. Soldering: Similar to brazing, soldering also employs a filler material with a lower melting point to join the steel. However, soldering involves melting the filler material without melting the base material. It is often employed for electrical connections and delicate applications. 4. Mechanical fastening: This method entails utilizing mechanical means such as bolts, screws, rivets, or other types of fasteners to join the steel components. Mechanical fastening is frequently favored in situations where disassembly or maintenance is necessary. 5. Adhesive bonding: Special steel can also be joined using adhesives that establish a sturdy bond between the surfaces. Adhesive bonding is suitable for joining intricate shapes, minimizing stress concentrations, and providing exceptional corrosion resistance. 6. Friction welding: This technique involves the application of pressure to rub or spin two steel components together, generating heat that creates a bond. Friction welding is commonly employed for joining high-strength or heat-treated steels. 7. Explosive welding: This method employs explosives to facilitate a high-speed collision between two steel surfaces, resulting in a bond formed in a solid state. Explosive welding is frequently used for joining dissimilar metals or when high strength and corrosion resistance are required. The selection of the appropriate joining method depends on factors such as the type of steel, the desired strength and durability of the joint, the specific application requirements, and the availability of equipment and expertise.

Q:What are the main applications of special steel in the electronics packaging?: The main applications of special steel in electronics packaging include providing structural support and protection for electronic components, ensuring electromagnetic compatibility, heat dissipation, and preventing corrosion.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range