1.2738 Mound Steel,China Steel,Steel Mould

1.2738 Mound Steel,China Steel,Steel Mould System 1

1.2738 Mound Steel,China Steel,Steel Mould System 2

1.2738 Mound Steel,China Steel,Steel Mould

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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Product information:

Grade	C	Si	Mn	P	S	Cr	Mo	V
P20	0.28~0.40	0.20~0.80	0.60~1.00	≤0.030	≤0.030	1.40~2.00	0.30~0.55	---
1.2311	0.35~0.45	0.20~0.40	1.30~1.60	≤0.035	≤0.035	1.80~2.10	0.15~0.25	---
3Cr2Mo	0.28~0.40	0.20~0.80	0.60~1.00	≤0.030	≤0.030	1.40~2.00	0.30~0.55	---

Applications of mould steel material

mould steel tool steel is ideally suited for the production of plastic moulds. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of mould steel tool steel with its high tensile characteristics enables uses for a variety of other applications such as shafts, rails and wear strips

Forging of mould steel material

Heat slowly, allowing sufficient time for the steel to become heated through. Begin forging at 1050°C. Do not forge below 930°C reheating if necessary. After forging, cool very slowly.

Annealing of mould steel material

Heat uniformly to 770-790°C. Soak well, cool slowly in the furnace.

Stress Relieving of mould steel material

When dies are heavily machined, we recommend stabilising just before finish machining in order to relieve machining strains. Heat to 460-500°C. Soak well and allow to cool in the air.

Hardening of mould steel material

Heat the steel uniformly to 820-840°C until heated through. Quench in oil.

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1.2738 Mound Steel,China Steel,Steel Mould

Q: How does special steel contribute to reducing material waste?: Special steel contributes to reducing material waste through its superior properties and durability. Unlike traditional steel, special steel is designed to have enhanced strength, corrosion resistance, and wear resistance. These properties allow for the production of thinner and lighter components without compromising their functionality, leading to reduced material consumption. Additionally, the longevity and resistance to wear of special steel products result in longer service life, minimizing the need for frequent replacements and further reducing material waste.

Q: How is wear-resistant alloy steel used in the production of mining equipment?: Wear-resistant alloy steel is used in the production of mining equipment due to its exceptional strength, durability, and resistance to wear and tear. It is commonly utilized for manufacturing components such as crusher liners, bucket teeth, and cutting edges of excavation tools. This robust material helps mining equipment withstand harsh conditions and prolongs their lifespan, reducing maintenance costs and downtime.

Q: How does special steel resist oxidation at high temperatures?: Special steel resists oxidation at high temperatures due to the presence of alloying elements such as chromium, aluminum, and silicon. These elements form a protective layer of oxides on the surface of the steel, which acts as a barrier against further oxidation. This layer is stable even at high temperatures, preventing the steel from reacting with oxygen in the environment and thus maintaining its structural integrity.

Q: Can special steel be used for medical applications?: Yes, special steel can be used for medical applications. Specialized types of stainless steel, such as AISI 316L or 316LVM, are commonly used in medical devices and implants due to their excellent corrosion resistance, biocompatibility, and strength. These steels are often used in surgical instruments, orthopedic implants, cardiovascular devices, and many other medical applications.

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: How does special steel perform in cryogenic applications?: Special steel performs well in cryogenic applications due to its ability to maintain its mechanical properties at extremely low temperatures. It has a low thermal expansion coefficient, high strength, and excellent toughness, which are essential characteristics for withstanding the extreme conditions of cryogenic environments. Additionally, special steel exhibits good resistance to corrosion and oxidation, making it suitable for use in cryogenic applications where exposure to low temperatures and cryogenic fluids is common.

Q: Can special steel be used in the semiconductor manufacturing industry?: Yes, special steel can be used in the semiconductor manufacturing industry. Special steel alloys, such as stainless steel and tool steel, are often used in the construction of semiconductor equipment and components. These steels are chosen for their high strength, corrosion resistance, and thermal stability, which are essential properties for withstanding the harsh environments and processes involved in semiconductor manufacturing. Additionally, special steel can be engineered to have low levels of contamination, making it suitable for applications where purity is crucial, such as in cleanroom environments.

Q: How does special steel contribute to the renewable energy sector?: Special steel plays a crucial role in the renewable energy sector by enabling the construction of highly efficient and durable renewable energy infrastructure. It is used in the manufacturing of wind turbine components, solar panels, and hydroelectric power systems, among others. Its exceptional strength, corrosion resistance, and ability to withstand extreme conditions make it ideal for withstanding harsh weather and environmental factors. Additionally, special steel helps optimize energy conversion and transmission, ultimately improving the overall efficiency and reliability of renewable energy systems.

Q: What are the different surface treatments applied to special steel?: Enhancing the properties and improving the performance of special steel can be achieved through the application of different surface treatments. Commonly used treatments include: 1. Utilizing heat treatment involves subjecting the steel to specific temperatures and controlling the cooling process. This treatment enhances the steel's hardness, strength, toughness, wear resistance, and corrosion resistance. 2. Coating the surface of special steel with a protective layer is another frequently used surface treatment. Electroplating, hot-dip galvanizing, and powder coating are some methods employed. Coatings provide added corrosion resistance, enhance the appearance of the steel, and prolong its lifespan. 3. Nitriding is a process that diffuses nitrogen into the steel's surface at high temperatures. This forms a tough outer layer, improving wear resistance and fatigue strength while maintaining core toughness. 4. Shot peening is a mechanical treatment that involves bombarding the steel surface with small spherical particles made of steel or ceramic. This induces compressive stresses in the surface layer, improving fatigue strength and resistance to stress corrosion cracking. 5. Passivation is a chemical treatment used to eliminate impurities and contaminants from the steel's surface, typically by immersing it in an acid solution. This process restores the natural corrosion resistance of stainless steel by forming a protective oxide layer. 6. Electro-polishing is an electrochemical process that removes a thin layer of material from the steel's surface. It improves surface finish, eliminates micro-roughness, and enhances corrosion resistance. These are just a few examples of the various surface treatments applicable to special steel. The choice of treatment depends on the specific requirements of the application and the desired properties of the steel.

Q: How is corrosion-resistant steel used in marine applications?: Corrosion-resistant steel is widely used in marine applications due to its ability to withstand the harsh and corrosive environment of seawater. It is used in the construction of various marine structures such as ship hulls, offshore platforms, and underwater pipelines. The steel's unique composition, usually containing elements like chromium, nickel, and molybdenum, forms a protective oxide layer on its surface, preventing corrosion and maintaining its structural integrity over a long period. This helps to improve the durability, longevity, and overall performance of marine equipment and structures, reducing maintenance costs and ensuring safety in maritime operations.

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