Mould Steel Material DIN 1.2713/JIS SKT4/GB 5CrNiMo

Mould Steel Material DIN 1.2713/JIS SKT4/GB 5CrNiMo

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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

1.Specification of 1.2713 steel
Round bar	Diameter(mm)	Length (mm)
50~500	2000~5800
Plate	Thickness(mm)	Width (mm)	Length (mm)
20~400	80~1000	2000~5800
The specification can be customised!
2.Chemical compositon of 1.2713 steel
NO.	C	Mn	Si	Cr	W	V	P	S
DIN1.2713	0.32~0.45	0.20~0.50	0.10~0.50	0.80~1.20	--	0.80~1.20	≤0.030	≤0.030
3.Delivery condition
Standard Number	Annealing	Heat treatment temp( °C )	HRC Secondar Hardness
1.2713/SKT4	760-780	Hardening: 1020 Tempering: 530~560	54-59HRC
4.Heat treatment
1. Initial preheating to 350-450°C; 2. Second preheating to 650-750°C; 3. Heat to hardening temperature 860-890°Cand hold at temperature; 4. Cooling in hot oil (40-60°C); oil quenched hardness: 54-59HRC;
1.EAF: Electric Furnace+LF+VD(Optional)
2.ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)
5.Application
(1) Be widely used in die-casting molds, hot extrusion dies which are for making aluminum castings, and perforation tools, mandrels, press forging dies and plastic dies and so on.
(2) Be used in structural parts which are making for aircrafts and rockets of withstanding 400-500°C working temperature.
6.Characteristic of H13 steel
(1) good strength and high abrasion resistance
(2) good quenching

1.Specification of 1.2713 steel

Round bar

Diameter(mm)

Length (mm)

50~500

2000~5800

Plate

Thickness(mm)

Width (mm)

Length (mm)

20~400

80~1000

2000~5800

The specification can be customised!

2.Chemical compositon of 1.2713 steel

NO.

DIN1.2713

0.32~0.45

0.20~0.50

0.10~0.50

0.80~1.20

≤0.030

3.Delivery condition

Standard Number

Annealing

Heat treatment temp( °C )

HRC Secondar Hardness

1.2713/SKT4

760-780

Hardening: 1020

Tempering: 530~560

54-59HRC

4.Heat treatment

1. Initial preheating to 350-450°C;

2. Second preheating to 650-750°C;

3. Heat to hardening temperature 860-890°Cand hold at temperature;

4. Cooling in hot oil (40-60°C); oil quenched hardness: 54-59HRC;

1.EAF: Electric Furnace+LF+VD(Optional)

2.ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)

5.Application

(1) Be widely used in die-casting molds, hot extrusion dies which are for making aluminum castings, and perforation tools, mandrels, press forging dies and plastic dies and so on.

(2) Be used in structural parts which are making for aircrafts and rockets of withstanding 400-500°C working temperature.

6.Characteristic of H13 steel

(1) good strength and high abrasion resistance

(2) good quenching

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Mould Steel Material DIN 1.2713/JIS SKT4/GB 5CrNiMo

Q: What are the different forming processes for special steel?: There are several different forming processes for special steel, including forging, casting, extrusion, and rolling.

Q: How does special steel perform in cryogenic ductility?: Special steel generally performs well in cryogenic ductility. Cryogenic ductility refers to the ability of a material to maintain its strength and flexibility at extremely low temperatures. Special steels are often specifically engineered to withstand harsh conditions, including cryogenic temperatures, making them suitable for use in applications such as liquefied natural gas (LNG) storage tanks, aerospace components, and superconductors. One of the main reasons special steel excels in cryogenic ductility is its composition. Special steels are typically alloyed with elements such as nickel, chromium, and molybdenum, which enhance their mechanical properties and resistance to low temperatures. These alloying elements provide special steel with increased strength, toughness, and resistance to brittle fracture, even in extremely cold environments. Furthermore, special steels undergo rigorous testing and quality control measures to ensure their performance in cryogenic conditions. This includes testing for parameters such as impact toughness, fracture toughness, and notch toughness, which are crucial for evaluating a material's ability to resist brittle failure at low temperatures. In addition to its composition and testing, the manufacturing processes used for special steel also contribute to its excellent cryogenic ductility. Special steels are often produced using methods like vacuum induction melting and controlled cooling, which help eliminate impurities and improve the material's microstructure. This refined microstructure enhances the steel's ductility, allowing it to maintain its mechanical properties even at cryogenic temperatures. Overall, special steel demonstrates exceptional performance in cryogenic ductility due to its carefully designed composition, stringent testing, and advanced manufacturing processes. These factors make it a reliable and preferred choice for various industries that require materials to withstand extreme cold conditions while maintaining their strength and flexibility.

Q: How does special steel contribute to the aerospace defense machinery industry?: Special steel plays a critical role in the aerospace defense machinery industry by providing the necessary strength, durability, and performance required for various components and systems. Firstly, special steel alloys are used in the manufacturing of aircraft structures, such as wings, fuselage, and landing gear. These components require materials that can withstand extreme forces, temperature fluctuations, and corrosive environments. Special steel alloys possess unique properties, including high strength-to-weight ratio, excellent fatigue resistance, and resistance to corrosion, making them ideal for ensuring the structural integrity and longevity of aerospace defense machinery. Moreover, special steel is essential for producing engine components, including turbine blades, shafts, and casings. These parts operate under extreme conditions, such as high temperatures, pressures, and rotational speeds. Special steel alloys with high heat resistance, excellent mechanical properties, and good creep resistance are crucial for ensuring optimal engine performance, fuel efficiency, and reliability. In addition to structural and engine components, special steel is used in the manufacturing of various defense systems, such as missile guidance systems, radar systems, and communication equipment. These systems require materials that offer electromagnetic compatibility, high strength, and resistance to vibration and shock. Special steel alloys with specific electromagnetic properties, such as low magnetic permeability or high electrical conductivity, contribute to the efficient functioning of these systems. Furthermore, the aerospace defense machinery industry heavily relies on special steel for the production of precision tools, cutting blades, and molds used in the manufacturing process. These tools must possess high hardness, wear resistance, and dimensional stability to ensure accurate and efficient processing of complex components. Overall, special steel is a crucial enabler for the aerospace defense machinery industry as it provides the necessary strength, durability, and performance required for the demanding and often harsh operating conditions in this sector. The unique properties of special steel alloys contribute to the development of advanced and reliable aerospace defense machinery, enhancing the capabilities and safety of military and defense operations.

Q: Can special steel be used in the sporting goods manufacturing industry?: Yes, special steel can be used in the sporting goods manufacturing industry. Special steel, with its unique properties such as high strength, durability, and corrosion resistance, can be utilized for producing various sporting goods like golf clubs, tennis rackets, bike frames, and baseball bats. These steels can enhance performance, improve longevity, and provide better control and accuracy in sports equipment.

Q: How is special steel used in the production of cutting blades?: Special steel is used in the production of cutting blades due to its exceptional properties, such as high hardness, toughness, and wear resistance. These properties allow the cutting blades to maintain their sharpness and durability even when subjected to intense cutting forces and repeated use. The special steel's composition and heat treatment processes ensure that the cutting blades are capable of withstanding harsh operational conditions, resulting in efficient and precise cutting performance across various industries, including manufacturing, construction, and agriculture.

Q: Is special steel resistant to chemical corrosion?: Special steel, which is also known as stainless steel, is typically resistant to chemical corrosion. It is an alloy that contains at least 10.5% chromium. The presence of chromium in the steel forms a protective layer on the surface, preventing corrosion. This layer is stable and shields the steel from reacting with chemicals and corrosive substances. Furthermore, special steel may contain other elements like nickel, molybdenum, and titanium. These elements enhance its resistance to chemical corrosion, enabling the steel to withstand exposure to acids, alkalis, salts, and other corrosive agents commonly found in industrial and environmental settings. Nevertheless, it is important to consider that the resistance of special steel to chemical corrosion can vary based on its grade and composition. Different grades of stainless steel offer different levels of corrosion resistance. Therefore, it is crucial to select the appropriate grade depending on the intended application and the specific corrosive environment. To summarize, although special steel generally resists chemical corrosion, the level of resistance can differ depending on the grade and composition. Hence, it is essential to assess specific requirements and seek advice from experts to choose the most suitable special steel for a particular application.

Q: What are the different corrosion protection methods used for special steel?: There are several corrosion protection methods used for special steel to ensure its durability and longevity. These methods include: 1. Coatings: Applying various types of coatings, such as paint, epoxy, or zinc, can provide a protective layer on the steel surface. These coatings act as a barrier, preventing moisture and corrosive elements from coming into direct contact with the steel. 2. Galvanization: Galvanizing is a process that involves coating the steel with a layer of zinc. This creates a sacrificial barrier, as the zinc corrodes instead of the steel. Galvanized steel is commonly used in outdoor applications, such as fences, poles, and roofing. 3. Stainless steel: Special steel can also be manufactured using stainless steel, which contains a high percentage of chromium. Chromium forms a passive layer on the surface of the steel, providing excellent corrosion resistance. Stainless steel is widely used in industries such as construction, food processing, and medical equipment. 4. Cathodic protection: This method involves creating an electrical current or using sacrificial anodes to protect the steel. By introducing a more reactive metal (sacrificial anode) or applying an electrical current, corrosion is minimized as the reactive metal corrodes instead of the steel. 5. Alloying: Modifying the composition of the steel by adding elements like nickel, molybdenum, or copper can enhance its resistance to corrosion. These alloying elements form a protective layer on the surface, making the steel more resistant to rust and other forms of corrosion. 6. Passivation: Passivation is a chemical process that removes free iron from the surface of the steel and forms a protective oxide layer. This layer acts as a barrier against corrosion, enhancing the steel's resistance to rust and other forms of corrosion. 7. Proper maintenance: Regular inspection, cleaning, and maintenance of special steel are essential in preventing corrosion. Removing dirt, debris, and other contaminants from the steel's surface can help maintain its protective coatings and prevent corrosion from occurring. It is important to select the appropriate corrosion protection method based on the specific application and environmental conditions to ensure the long-term performance and durability of special steel.

Q: What are the common failures or issues with special steel?: Special steel may encounter various failures or problems. Among these, corrosion is a prevalent issue. When exposed to specific environmental conditions, such as moisture or aggressive chemicals, special steel, like any other steel, can be susceptible to corrosion. As a result, its structural integrity and overall performance may decline. Fatigue is another common failure. Special steel is often used in applications that demand strength and durability. However, repetitive loading or stress can cause the material to develop cracks or fractures over time, leading to fatigue failure. This can be particularly troublesome in industries like aerospace or automotive, where components are subjected to constant cyclic loading. Improper heat treatment can also lead to failure. To achieve desired properties like hardness or toughness, special steel often requires specific heat treatments. If the heat treatment process is not executed correctly, it can result in inconsistent material properties, which in turn can reduce performance or cause premature failure. Special steel can also experience welding issues. Welding is frequently employed to join different components or structures made of special steel. However, inadequate adherence to proper welding techniques and procedures can yield defects such as weld cracks, porosity, or inadequate fusion. These defects can weaken the weld joint and compromise the overall structure's integrity. Lastly, dimensional instability can be problematic with special steel. Certain types of special steel, particularly those with high carbon content, may undergo dimensional changes when exposed to temperature variations. This can lead to material distortion or warping, affecting its fit, function, or assembly with other components. To address these failures or issues with special steel, it is crucial to adhere to appropriate material selection, design, manufacturing, and maintenance practices. Thorough inspections, implementation of corrosion protection measures, and ensuring proper heat treatment and welding procedures can help minimize the occurrence of these failures. This, in turn, improves the performance and longevity of special steel components.

Q: What are the challenges in recycling special steel?: Recycling special steel poses several challenges due to its unique composition and properties. Firstly, special steel is often alloyed with various elements to enhance its strength, durability, and corrosion resistance. These alloys can make the recycling process more difficult and complex compared to recycling common steel. One of the main challenges is the separation of special steel from other metals during the recycling process. Special steel may contain rare and valuable elements such as nickel, chromium, and molybdenum, which are essential for its unique properties. Separating these elements from other metals requires advanced techniques and specialized equipment, increasing the complexity and cost of recycling. Another challenge is the presence of impurities in special steel. These impurities can be introduced during the manufacturing process or through contamination during use. Removing these impurities is crucial to ensure the recycled steel meets the required specifications for its intended applications. However, the high melting point and resistance to purification of some impurities may complicate the recycling process. Furthermore, the physical characteristics of special steel, such as its high hardness and toughness, can make it challenging to handle and process during recycling. Special steel often requires more energy-intensive methods, such as shredding or melting at higher temperatures, which can increase the overall cost and environmental impact of the recycling process. Moreover, the economic viability of recycling special steel can be a challenge. The market demand for special steel may fluctuate, making it difficult for recyclers to ensure a consistent and profitable supply. Additionally, the costs associated with the collection, transportation, sorting, and processing of special steel can be higher compared to common steel, further impacting the economic feasibility of recycling. In conclusion, the challenges in recycling special steel primarily stem from its complex composition, the need for separation from other metals, the presence of impurities, the physical characteristics of the material, and the economic viability of the recycling process. Addressing these challenges requires innovative technologies, efficient separation methods, and a sustainable market demand for recycled special steel.

Q: What are the main applications of special steel in the mining transportation?: Special steel is extensively used in mining transportation for various applications. The main applications include manufacturing durable and high-strength components such as drill bits, conveyor belts, and mining equipment parts. Special steel's exceptional resistance to wear, corrosion, and impact makes it an ideal choice for these demanding environments. Additionally, special steel is used in the construction of infrastructure, such as bridges and railway tracks, ensuring the safe and efficient transportation of mined materials.

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