SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar

SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar System 1

SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar System 2

SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar System 3

SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar System 4

SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar

Ref Price:: $300.00 - 500.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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1. Main application of skd11 steel:

(1) Thickness of not more than 2MM sheet, efficient blanking die, punch die and pressure die etc.

(2) All kinds of scissors, inserts, woodworking blade.

(3) Thread rolling die and wear-resistant slider.

(4) Cold Heading Die, thermosetting resin molding.

(5) Molding in deep drawing cold extrusion dies

2. Specification of skd11 steel:

Round bar	Diameter(mm)	Length (mm)
Round bar	10~800	2000~5800
plate/sheet	Thickness(mm)	Width (mm)	Length (mm)
plate/sheet	10~800	80~2300	2000~5800

3. Delivery condition of skd11 steel:

Acc. to your request—Standard steel bar(sawing)

——non-standard steel bar(sawing)

or Mill deliver condition,without sawing or cutting

Conventional or ESR, hot rolled or forged, black surface or milling

Hardness: annealed to HB≤255

4. Features of skd11 steel:

(1) Good quenching resistance, heat deformation small, wear-resistant, impact resistant.

(2) Vacuum degassing refining processing pure steel.

(3) Spheroidizing softening process, good cutting performance.

(4) Strengthen the elements vanadium, molybdenum special join, is extremely excellent in wear resistance.

5. Chemical analysis of skd11 steel:

C	Si≤	Mn≤	P≤	S≤	Cr	Mo	V
1.40~1.60	0.40	0.60	0.030	0.030	11.0~13.0	0.80~1.20	0.20~0.50

6. Compared grades of skd11 steel(based on usage)

Chinese	American	German	Swedish	Japanese
GB	AISI	DIN	ASSAB	JIS
Cr12Mo1V				SKD11

7. Heat treatment of skd11 steel (for reference)

quenching	quenching hardness	tempering	Tempering hardness
1020~1040 °c	58~60HRC	150~200 °c	62~63HRC

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SKD11 Hot Rolled 12mm Steel Rod 1.2379 Steel Round Bar

Q: What are the factors that affect the corrosion resistance of special steel?: The factors that affect the corrosion resistance of special steel include the composition and content of alloying elements, surface finish and treatment, environmental conditions such as temperature, humidity, and exposure to chemicals, as well as the presence of protective coatings or inhibitors. Additionally, the manufacturing process and heat treatment can also influence the corrosion resistance of special steel.

Q: How does special steel contribute to the marine machinery industry?: Special steel plays a crucial role in the marine machinery industry by offering numerous advantages and contributing to the overall efficiency and reliability of marine machinery. First and foremost, special steel is known for its exceptional strength and durability. In the harsh marine environment, where machinery is constantly exposed to high levels of corrosion and extreme weather conditions, the use of special steel ensures that marine machinery can withstand these challenges and maintain its integrity over an extended period. This enhanced durability not only extends the lifespan of marine machinery but also reduces the need for frequent repairs and replacements, resulting in cost savings for shipbuilders and operators. Additionally, special steel offers excellent welding and fabrication properties, making it easier to construct complex marine machinery components. The ability to weld and fabricate special steel allows for the production of intricate and customized parts, which can be tailored to meet the specific requirements of different marine vessels. This flexibility in design ensures that marine machinery is optimized for performance, efficiency, and safety. Furthermore, special steel possesses excellent resistance to corrosion and erosion, which are common issues in marine environments due to the presence of saltwater and other corrosive agents. By using special steel, marine machinery can effectively resist corrosion, preventing premature failure and minimizing the need for maintenance. This corrosion resistance also enhances the overall safety of marine operations, as the risk of machinery malfunctioning due to corrosion-related issues is significantly reduced. In terms of efficiency, special steel contributes to the marine machinery industry by offering superior heat resistance and thermal conductivity. This allows marine machinery to operate at high temperatures without compromising performance, ensuring efficient energy conversion and optimal functioning of critical systems. The improved thermal properties of special steel also contribute to the overall fuel efficiency of marine vessels, reducing operational costs and environmental impact. In conclusion, special steel plays a vital role in the marine machinery industry by providing strength, durability, corrosion resistance, and thermal properties that are necessary for the efficient and reliable operation of marine machinery. By utilizing special steel, shipbuilders and operators can enhance the longevity, safety, and performance of marine vessels, ultimately contributing to the growth and sustainability of the marine industry.

Q: What are the different shapes and forms in which special steel is available?: Special steel is available in various shapes and forms such as bars, rods, sheets, plates, tubes, pipes, wires, and forgings.

Q: What are the requirements for special steel used in railway applications?: Due to the demanding nature of the industry, the railway sector has stringent requirements for the special steel it uses. Here are a few key considerations: 1. Strength and durability are of utmost importance. The steel must possess exceptional strength and durability to withstand the heavy loads and constant vibrations experienced by trains. This is crucial in preventing deformation, fatigue, and failure of steel components. 2. Wear resistance is another vital requirement. The constant movement of trains subjects railway tracks and other components to significant wear and tear. Therefore, the special steel used in railway applications should have good wear resistance. This ensures a longer service life and reduces maintenance costs. 3. Corrosion resistance is imperative due to exposure to various environmental conditions, such as rain, snow, and chemicals. The special steel must possess high corrosion resistance to prevent rusting and degradation. This ensures the longevity of the components. 4. Fatigue resistance is crucial since trains undergo repetitive loading cycles that can lead to fatigue in steel components. Special steel with excellent fatigue resistance is necessary to prevent cracking and failure. This ensures the safety and reliability of railway systems. 5. High impact toughness is essential. Special steel used in railway applications must absorb energy during sudden shocks or accidents. This prevents catastrophic failures and ensures the safety of passengers and railway personnel. 6. Heat resistance is a requirement for certain railway applications, especially high-speed trains. The steel components are exposed to high temperatures due to friction or other sources. Special steel should possess good heat resistance to maintain its mechanical properties and structural integrity even under elevated temperatures. 7. Dimensional stability is crucial to maintain the required tolerances and alignment of various components in railway applications. Special steel should exhibit excellent dimensional stability. This ensures smooth operation, reduces noise, and prevents excessive wear. These are the primary requirements for special steel used in railway applications. Meeting these requirements is crucial for the safe, reliable, and efficient operation of railway systems.

Q: What are the main applications of special steel in the electronics packaging?: Special steel is widely used in electronics packaging due to its unique properties. The main applications of special steel in electronics packaging include providing high strength and durability to protect delicate electronic components, offering excellent corrosion resistance to safeguard against environmental factors, and ensuring thermal conductivity for efficient heat dissipation. Additionally, special steel is utilized in creating precise and intricate shapes for components, ensuring electromagnetic compatibility, and providing electrical conductivity for improved performance and reliability in electronic devices.

Q: What are the properties of cobalt-based alloys?: Cobalt-based alloys typically exhibit excellent corrosion resistance, high strength, and good wear resistance. They also have high temperature stability, making them suitable for use in high-temperature applications. Additionally, these alloys have magnetic properties, allowing them to be used in electromagnetic applications.

Q: What are the different surface hardening techniques used for special steel?: There are several different surface hardening techniques used for special steel, including case hardening, induction hardening, flame hardening, and nitriding. Case hardening involves heating the steel in the presence of a carbon-rich atmosphere to create a hardened outer layer, while induction hardening uses an electromagnetic field to heat and harden specific areas of the steel. Flame hardening involves heating the steel using a high-temperature flame, followed by quenching to achieve hardness. Nitriding is a process where the steel is exposed to nitrogen gas at high temperatures to create a hard, wear-resistant surface layer. Each technique has its own advantages and is chosen based on the specific requirements of the application.

Q: How is martensitic steel used in knife making?: Martensitic steel is commonly used in knife making due to its excellent hardness, strength, and ability to hold a sharp edge. This type of steel undergoes a heat treatment process called quenching, which transforms its structure to be very hard and brittle. Knives made from martensitic steel are highly durable and resistant to wear and corrosion, making them ideal for various cutting tasks.

Q: Can special steel be used in the marine industry?: Yes, special steel can be used in the marine industry. Special steels such as stainless steel or corrosion-resistant alloys are commonly used in the marine industry due to their high strength, durability, and resistance to corrosion in harsh marine environments. These materials are utilized for various applications including shipbuilding, offshore structures, and marine equipment to ensure long-lasting performance and safety at sea.

Q: How does special steel contribute to reducing product waste during manufacturing?: Special steel contributes to reducing product waste during manufacturing by offering enhanced properties such as durability, strength, and corrosion resistance. This allows manufacturers to produce longer-lasting and more reliable products. By using special steel, companies can reduce the need for frequent replacements, repairs, or discarded products due to wear and tear. This not only minimizes material waste but also reduces the environmental impact associated with manufacturing processes.

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