Special Steel SKD11 Cold Working Die Steel Plate

Special Steel SKD11 Cold Working Die Steel Plate

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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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The details of our Steel

1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard

2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

3. Heat treatment:

Normalized / Annealed / Quenched+Tempered

4. Quality assurance:

All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Product information

Chemical Composition(%)

Country	Standard	C	Si	Mn	Cr	Mo	V	S	P	Other
China(GB)	Cr12Mo1V1	1.40-1.60	≤0.60	≤0.60	11.0-13.0	0.70-1.20	≤1.10	≤0.030	≤0.030	Co≤1.00
USA(ASTM)	D2	1.40-1.60	0.30-0.50	0.30-0.50	11.0-13.0	0.70-1.20	0.8	≤0.025	≤0.025	Co:0.60
Germany(DIN)	1.2379	1.50-1.60	0.10-0.40	0.15-0.45	11.5-12.5	0.60-0.80	0.90-1.10	≤0.030	≤0.030	-
Japan(JIS)	SKD11	1.40-1.60	≤0.40	≤0.60	11.0-13.0	0.80-1.20	0.20-0.50	-	-	Ni≤0.50

Available Size

Rolled flat steel	12-90mm×205-610mm×L
Forged flat steel	100-300mm×400-600mm×L

Applications: suitable for various complicated cold working dies with high precision and long lifetime,such as punching dies,cold extrusion dies,thread rolling dies,screw plates,cold extrusion dies,and precise measuring devices

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Special Steel SKD11 Cold Working Die Steel Plate

Q: What are the properties of nitrogen alloyed steel?: Nitrogen alloyed steel typically exhibits improved strength, hardness, and corrosion resistance compared to regular carbon steel. It also has excellent wear resistance and may have enhanced toughness. Additionally, nitrogen alloying can improve the steel's ability to retain its properties at high temperatures, making it suitable for applications in challenging environments.

Q: How does aluminum contribute to the properties of special steel?: Aluminum is commonly added as an alloying element in special steel to enhance its properties. By adding aluminum to steel, several improvements can be achieved. Firstly, aluminum improves the strength of steel by forming a fine dispersion of aluminum nitride particles within the steel matrix. These particles act as barriers to dislocation movement, impeding the deformation of the steel and increasing its strength. This makes the steel more resistant to mechanical stresses and enhances its load-bearing capacity. Secondly, aluminum also enhances the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, acting as a barrier against the corrosive agents. This oxide layer prevents the steel from oxidizing, rusting, and deteriorating over time, making it more durable and long-lasting in various environments. Additionally, aluminum can improve the machinability of special steel. Its presence in the steel composition reduces the tendency of the steel to work harden during machining operations. This makes it easier to cut, drill, or shape the steel, resulting in improved productivity and reduced tool wear. Moreover, aluminum contributes to the heat resistance of special steel. It has a high melting point and good thermal conductivity, which helps in maintaining the structural integrity of the steel at elevated temperatures. This makes aluminum-steel alloys suitable for applications where high-temperature resistance is required, such as in the aerospace and automotive industries. In summary, aluminum contributes significantly to the properties of special steel. It enhances the strength, corrosion resistance, machinability, and heat resistance of steel, making it a versatile material with a wide range of applications.

Q: How does special steel perform in casting applications?: Special steel performs exceptionally well in casting applications due to its unique properties and characteristics. Firstly, special steel has excellent heat resistance, allowing it to withstand high temperatures during the casting process. This is crucial as casting involves melting the metal and pouring it into a mold, which requires materials that can endure extreme heat without losing their structural integrity. Special steel's high heat resistance ensures that it maintains its shape and strength throughout the casting process. Additionally, special steel possesses remarkable strength and toughness. This is vital in casting applications as it ensures that the final cast product will have the necessary strength and durability to withstand various operational conditions. Special steel's exceptional strength also allows for the creation of intricate and complex castings, enabling the production of components with intricate designs and precise dimensions. Moreover, special steel exhibits superior corrosion resistance. This property is especially beneficial in casting applications that involve exposure to harsh environments or corrosive substances. Special steel's resistance to corrosion ensures that the castings will remain intact and functional for an extended period, reducing maintenance and replacement costs. Furthermore, special steel offers excellent wear resistance. This property is crucial in casting applications where the castings will be subjected to friction, abrasion, or impact. Special steel's high wear resistance minimizes material loss, extends the lifespan of the castings, and ensures optimal performance in demanding conditions. Lastly, special steel has excellent machinability, making it easier to shape, cut, and finish during the casting process. This property allows for precise and accurate casting, ensuring that the final product meets the required specifications and tolerances. In conclusion, special steel is ideal for casting applications due to its exceptional heat resistance, strength, corrosion resistance, wear resistance, and machinability. These properties enable the production of high-quality and reliable castings that can withstand various operational conditions and deliver optimal performance.

Q: Carbon steel and stainless steel and pattern steel and special steel and high carbon steel difference: Because of the different colors of steel, showing special patterns, steel should be relatively small amount of steel, such as n690 is a special stainless steel, high hardness

Q: How does special steel perform in magnetic fields?: Special steel has low magnetic permeability, meaning it exhibits little to no magnetic properties. This enables it to perform well in magnetic fields by minimizing interference, distortion, or attraction to magnetic forces.

Q: What are the advantages of using special steel?: There are several advantages of using special steel. Firstly, special steel offers enhanced strength and durability compared to regular steel, making it suitable for applications that require high resistance to wear, fatigue, and impact. Secondly, special steel has excellent heat resistance, allowing it to maintain its structural integrity even at high temperatures. Additionally, special steel can be tailored to meet specific requirements, such as corrosion resistance, electrical conductivity, or magnetic properties. This versatility makes it suitable for a wide range of industries, including automotive, aerospace, construction, and energy. Overall, the advantages of using special steel include superior strength, durability, heat resistance, and customization possibilities.

Q: How is high-speed tool steel used in the production of machining tools?: High-speed tool steel is used in the production of machining tools due to its exceptional heat resistance, hardness, and wear resistance. It allows for the efficient machining of materials at high speeds, reducing production time and enhancing productivity. This steel is commonly utilized in the manufacturing of cutting tools, such as drills, milling cutters, and taps, to ensure precision and durability in machining operations.

Q: How does special steel contribute to the construction equipment industry?: The construction equipment industry heavily relies on special steel to ensure the necessary strength, durability, and resistance to wear and tear in their heavy-duty equipment. Extreme conditions, including heavy loads, harsh environments, and constant use, demand the use of special steel alloys that are specifically designed to withstand these challenges and guarantee the equipment's longevity and reliability. One of the major contributions of special steel to the construction equipment industry lies in its impressive strength-to-weight ratio. This characteristic allows manufacturers to design and produce equipment that is both robust and lightweight. Implementing special steel in the construction of crucial equipment components such as chassis, booms, buckets, and blades enhances their load-carrying capacity and overall performance. Additionally, special steel offers exceptional corrosion resistance, which is a significant advantage in construction sites where equipment is exposed to moisture, chemicals, and other corrosive substances. By utilizing corrosion-resistant special steel alloys, manufacturers can extend the lifespan of construction equipment and reduce maintenance costs. Moreover, special steel plays a vital role in providing superior wear resistance. The abrasive materials encountered in construction sites, such as rocks, gravel, and concrete, can cause significant wear on equipment components. Special steel alloys with high hardness and wear resistance properties help minimize wear and prolong the service life of the equipment, reducing the need for frequent replacements and downtime. Furthermore, special steel enables the construction equipment industry to meet specific performance requirements. Various types of special steel alloys can be tailored to meet specific needs, such as impact resistance, high-temperature resistance, or low-temperature toughness. This versatility allows manufacturers to produce equipment that can efficiently operate in diverse conditions, ultimately enhancing the industry's overall productivity. In conclusion, special steel plays a crucial role in the construction equipment industry by providing the necessary strength, durability, resistance to wear and tear, and customization options. By incorporating special steel alloys into their manufacturing processes, equipment manufacturers can produce high-quality machinery that meets the demanding requirements of construction sites, thus improving productivity, safety, and efficiency within the industry.

Q: What are the different surface protection methods for special steel?: There are several surface protection methods available for special steel, each with its own advantages and applications. Here are some of the most common methods: 1. Coating: Coating is a widely used method to protect the surface of special steel. This can involve applying a layer of paint, powder coating, or electroplating. Coatings provide a barrier between the steel and the environment, preventing corrosion and enhancing the aesthetics of the steel surface. 2. Galvanization: Galvanization involves coating the special steel with a layer of zinc through a process called hot-dip galvanizing. This method provides excellent corrosion resistance and is commonly used for outdoor structures and equipment exposed to harsh environments. 3. Passivation: Passivation is a chemical process that removes surface contaminants and forms a protective oxide layer on the special steel's surface. This method improves the steel's resistance to corrosion and is often used for stainless steel. 4. Nitriding: Nitriding is a heat-treatment process that diffuses nitrogen into the surface of the special steel, forming a hard and wear-resistant layer. This method enhances the steel's durability, resistance to fatigue, and corrosion resistance, making it suitable for applications involving heavy loads or abrasive environments. 5. PVD and CVD coatings: Physical Vapor Deposition (PVD) and Chemical Vapor Deposition (CVD) are methods used to deposit thin films of various materials onto the special steel surface. These coatings can provide enhanced hardness, wear resistance, and low friction properties, making them ideal for cutting tools, molds, and high-performance applications. 6. Shot peening: Shot peening is a mechanical surface treatment method that involves bombarding the special steel surface with small spherical particles. This process induces compressive stresses in the steel, improving its fatigue life, resistance to stress corrosion cracking, and wear resistance. 7. Anodizing: Anodizing is a process used primarily for aluminum, but it can also be applied to some special steel alloys. By creating an oxide layer on the surface, anodizing improves corrosion resistance and allows for the application of decorative finishes. Each of these surface protection methods offers unique properties and benefits, and the choice of method depends on the specific requirements of the special steel application.

Q: What is the purpose of cold drawing in special steel production?: The purpose of cold drawing in special steel production is to enhance the mechanical properties and improve the dimensional accuracy of the steel. Cold drawing involves pulling the steel through a die at room temperature, which increases its tensile strength, hardness, and surface finish. This process also allows for precise control over the final dimensions and shapes of the steel, making it suitable for various specialized applications.

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