Steel SKT4 Alloy Steel Round Bar Special Steel

Steel SKT4 Alloy Steel Round Bar Special Steel System 1

Steel SKT4 Alloy Steel Round Bar Special Steel

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Country	Standard	C	Si	Mn	Cr	Ni	Mo	S	P	Other
China(GB)	5CrNiMo	0.50-0.60	≤0.40	0.50-0.80	0.50-0.80	1.40-1.80	0.15-0.30	≤0.030	≤0.030	-
USA(ASTM)	L6	0.65-0.75	0.20-0.40	0.55-0.65	0.65-0.85	1.25-1.75	0.25	-	-	V:0.25
Germany(DIN)	1.2713	0.50-0.60	0.10-0.40	0.65-0.95	0.60-0.80	1.50-1.80	0.25-0.35	-	-	V:0.07-0.12
Japan(JIS)	SKT4	0.50-0.60	≤0.35	0.60-1.00	0.70-1.00	1.30-2.0	0.20-0.50	≤0.030	≤0.030	-

Rolled Round Bar	φ12-80mm
Forged Round Bar	Φ85-600mm

Processing	Temperature ℃	Hardness
Anneal	760-780	197-241HB
Quenching	830-860	53-58HRC
Tempering	490-510	44-47HRC
520-540	38-42HRC
560-580	34-37HRC

1.High toughness and strength
2.Higher abrasion resistance
3.Remaining hardness of HB300 at 500℃
4.Insensitive to tempering brittleness due to addition of Mo

Product Show:

.jpg

Workshop Show:

Steel SKT4 Alloy Steel Round Bar Special Steel

1, Your advantages?

professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

4, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

WE provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

For any problem, please kindly contact us at any your convenient time.

We'll reply you in our first priority within 24 hours.

Q: What are the non-destructive testing methods used for special steel?: There are several non-destructive testing (NDT) methods that are commonly used for special steel. These methods are designed to detect flaws or defects in the steel without causing any damage to the material. One of the most widely used NDT methods for special steel is ultrasonic testing. This technique involves sending high-frequency sound waves through the steel and analyzing the echoes that are reflected back. By measuring the time it takes for the sound waves to travel through the steel and return, technicians can determine the thickness, density, and internal structure of the material. Ultrasonic testing is particularly effective at detecting cracks, voids, or inclusions in the steel. Another commonly used NDT method for special steel is magnetic particle testing. This technique involves applying a magnetic field to the surface of the steel and then coating it with a magnetic powder. Any defects or irregularities in the steel will create magnetic flux leakage, causing the magnetic particles to cluster and form visible indications. This method is particularly effective at detecting surface cracks or discontinuities in the steel. Liquid penetrant testing is another NDT method that is often used for special steel. This technique involves applying a liquid dye or fluorescent material to the surface of the steel. The dye penetrates any surface cracks or defects, and after a specified dwell time, excess dye is removed. A developer is then applied, which draws out the dye from any flaws, making them visible under UV light. This method is effective at detecting surface discontinuities and is commonly used in the aerospace and automotive industries. Radiographic testing is another NDT method that can be used for special steel. This technique involves exposing the steel to X-rays or gamma rays and capturing the resulting image on a film or digital detector. By analyzing the radiographic image, technicians can detect internal flaws such as cracks, voids, or inclusions in the steel. This method is particularly useful for thicker sections of steel or when access to the material is limited. In conclusion, non-destructive testing methods such as ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing are commonly used for special steel. These methods allow for the detection of flaws or defects in the steel without causing any damage to the material, ensuring its integrity and reliability.

Q: How is special steel used in the construction manufacturing process?: Special steel is used in the construction manufacturing process due to its unique properties and characteristics. It is commonly utilized in the production of structural components, such as beams, columns, and reinforcements, where high strength, durability, and resistance to corrosion are crucial. Special steel also finds application in the manufacturing of machinery, equipment, and tools used in construction, thanks to its ability to withstand heavy loads and extreme conditions. Additionally, it is used for specialized purposes like in the construction of bridges, skyscrapers, and other architectural marvels, where its exceptional strength and reliability are essential for ensuring the safety and longevity of the structures.

Q: How is special steel used in the production of gears?: Special steel is commonly used in the production of gears due to its superior strength, durability, and resistance to wear and fatigue. The high-quality properties of special steel allow gears to withstand heavy loads, high speeds, and harsh operating conditions, ensuring reliable and efficient performance. Additionally, special steel can be heat treated to optimize its hardness and toughness, further enhancing gear performance and extending their lifespan.

Q: What are the different high-temperature grades of special steel?: Some examples of high-temperature grades of special steel include stainless steels such as 304H, 310S, and 316H, as well as heat-resistant alloys like Inconel 600, Hastelloy X, and Haynes 230. These grades are specifically designed to have excellent strength and resistance to oxidation, corrosion, and creep at elevated temperatures.

Q: What are the different material selection factors for special steel?: To ensure the desired performance, durability, and cost-effectiveness of the final product, engineers and designers must consider various factors when selecting materials for special steel. Key factors include mechanical properties, corrosion resistance, heat resistance, machinability, weldability, cost, availability, and environmental impact. 1. Mechanical Properties: Special steel must possess the necessary mechanical properties to meet the demands of the specific application. This includes strength, hardness, toughness, fatigue resistance, and wear resistance. 2. Corrosion Resistance: Depending on the intended use, special steel may need to have high corrosion resistance to withstand harsh environments, chemicals, or moisture. This ensures the longevity and reliability of the steel in its intended application. 3. Heat Resistance: Special steel may need to exhibit excellent heat resistance, especially for applications involving high temperatures like aerospace or power generation industries. The material should retain its strength and structural integrity even at elevated temperatures. 4. Machinability: The ease of machining special steel is crucial, especially for applications involving complex shapes or precision components. High machinability allows for efficient manufacturing processes and reduces production costs. 5. Weldability: Special steel selected for applications requiring welding should have good weldability. This ensures that the material can be easily welded without compromising strength or introducing defects. 6. Cost: The cost of the material plays a significant role in material selection. Engineers and designers must balance desired properties with the available budget to achieve optimal cost-effectiveness. 7. Availability: Ensuring a reliable and consistent supply of the chosen special steel is vital to avoid production delays or interruptions. 8. Environmental Impact: The environmental impact of the material should be evaluated, considering factors such as energy consumption during production, recyclability, and the use of sustainable raw materials. Opting for eco-friendly materials aligns with sustainable practices and regulations. By carefully considering these material selection factors, engineers and designers can choose the most suitable special steel for their specific application, ensuring optimal performance, durability, and cost-efficiency.

Q: How is special steel used in the defense industry?: Special steel is used in the defense industry for a wide range of applications, including the manufacturing of military vehicles, aircraft components, and naval vessels. It is known for its exceptional strength, toughness, and resistance to wear and corrosion, making it ideal for producing armor plates, ballistic protection systems, and weapon systems. Additionally, special steel is used in the production of high-precision tools and equipment required for defense purposes.

Q: What are the different corrosion-resistant grades of special steel?: Some of the different corrosion-resistant grades of special steel include stainless steel grades such as 304, 316, and 2205, as well as nickel-based alloys like Inconel and Hastelloy. These grades are specifically designed to resist corrosion in various environments and applications.

Q: How does special steel withstand extreme temperatures?: Special steel is designed to withstand extreme temperatures due to its unique composition and manufacturing process. It contains a higher percentage of alloying elements, such as chromium, nickel, and molybdenum, which enhance its heat resistance properties. These alloys form a protective layer on the surface of the steel, preventing oxidation and corrosion at high temperatures. Additionally, special steel undergoes specific heat treatment methods, such as quenching and tempering, which further enhance its ability to withstand extreme temperatures without losing its strength and structural integrity.

Q: How does special steel contribute to the circular economy?: Special steel contributes to the circular economy by enabling the recycling and reuse of materials. Its high durability and strength make it ideal for applications that require longevity and performance, allowing products made from special steel to have a longer lifespan. Additionally, special steel can be easily recycled and repurposed without losing its properties, reducing the need for virgin steel production and minimizing waste. By promoting a closed-loop system, special steel plays a crucial role in conserving resources, reducing environmental impact, and creating a more sustainable economy.

Q: What are the different methods of non-destructive testing for special steel?: There are several methods of non-destructive testing (NDT) for special steel, including magnetic particle testing, ultrasonic testing, radiographic testing, eddy current testing, and liquid penetrant testing. These techniques allow for the detection of defects or abnormalities in the material without causing any damage to the steel. Each method has its own advantages and limitations, and the choice of method depends on the specific requirements and characteristics of the steel being tested.

Send your message to us

*Email

*TEL

*Quantity

*Unit