SAE1045 4140 4340 8620 8640 Alloy Steel Bar

SAE1045 4140 4340 8620 8640 Alloy Steel 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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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

Specification of S45C steel
Round bar	Diameter(mm)	Length (mm)
	100~300	2000~5800
Plate	Thickness(mm)	Width (mm)	Length (mm)
	20~70	105~610	2000~5800
The specification can be customised!

Heat treatment

1.Quench:1000-1040`C via 600`C and 850`C, preheating oil or wind cooling

2.Temper temperature should be higher than working temperature in order to stabilize the working size of mold

3.Heat up to 650°C of average temperature in order to eliminate the machined stress, 500 °c air cooling after electric cooker cooling

4.Tempering, 800-850 °c ,slow cooling after diathermia

5. Melting Process of SKD61 steel rod

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SAE1045 4140 4340 8620 8640 Alloy Steel Bar

Q: What are the different cutting tools used for machining special steel?: There are various cutting tools used for machining special steel, including carbide inserts, high-speed steel (HSS) tools, ceramic inserts, and diamond tools. These tools are designed to withstand the high temperatures and hardness of special steel, providing efficient cutting and shaping capabilities.

Q: What are the different surface coating methods used for special steel?: Special steel can be enhanced and protected from environmental factors using various surface coating methods. These methods include: 1. Galvanizing: Zinc is applied to the steel surface, offering exceptional corrosion resistance. This can be achieved through hot-dip galvanizing or electroplating. 2. Electroplating: A thin layer of metals like chromium, nickel, or copper is deposited onto the steel surface using an electrochemical process. This improves appearance, wear resistance, and corrosion resistance. 3. Powder coating: Dry powder is applied to the steel surface, heated, and fused to create a protective layer. This provides durability, weather resistance, and aesthetic appeal. 4. Thermal spray coating: A heated or molten material is sprayed onto the steel surface, solidifying into a protective coating. Materials like metals, ceramics, and polymers are commonly used. 5. Paint coating: Painting is a widely used method for surface coating. Epoxy, polyurethane, or acrylic paints can be applied to protect against corrosion, chemicals, and UV radiation. 6. PVD coating: A thin film of materials like titanium nitride or diamond-like carbon is deposited onto the steel surface through vacuum deposition. PVD coatings enhance hardness, wear resistance, and appearance. 7. Anodizing: Primarily used for aluminum, anodizing can also be applied to special steel. It involves creating an oxide layer through an electrochemical reaction, improving corrosion resistance and providing a decorative finish. These surface coating methods are crucial for special steel as they enhance protection against corrosion, wear, and environmental factors. This ultimately extends the steel's lifespan and improves its performance. The choice of coating method depends on the specific requirements and desired properties of the steel.

Q: What are the different types of case-hardening steel?: There are several different types of case-hardening steel, including carburizing steel, nitriding steel, and cyaniding steel.

Q: What are the applications of special steel in the oil and gas manufacturing process?: Special steel is widely used in the oil and gas manufacturing process for various applications. It is utilized in the construction of pipelines, offshore platforms, and equipment such as valves, pumps, and compressors. The high strength and corrosion resistance of special steel make it suitable for handling extreme conditions, such as high pressure and temperature environments, as well as corrosive substances like drilling fluids and sour gases. Additionally, special steel is employed in the fabrication of storage tanks and vessels, ensuring durability and preventing leakage or failure. Overall, the applications of special steel in the oil and gas industry contribute to enhanced safety, efficiency, and longevity of the manufacturing process.

Q: How does special steel perform in forging applications?: Special steel is highly regarded in forging applications due to its exceptional strength, durability, and resistance to wear and tear. The unique properties of special steel, such as high tensile strength, heat resistance, and corrosion resistance, make it an ideal choice for withstanding the extreme conditions involved in forging processes. When subjected to the intense heat and pressure of forging, special steel maintains its structural integrity and mechanical properties. It can withstand the extreme temperature fluctuations without losing its hardness or becoming brittle, ensuring that the final forged product is of high quality and reliability. Furthermore, special steel offers excellent machinability and formability, allowing it to be easily shaped and manipulated during the forging process. This ease of working with special steel enables manufacturers to create intricate and complex shapes, resulting in finely crafted forged components. Special steel also exhibits superior resistance to fatigue and impact, making it highly suitable for applications that require high strength and toughness. It can withstand repeated stress and load cycles without experiencing significant deformation or failure, ensuring the longevity and reliability of forged products. In addition, special steel is known for its resistance to corrosion and oxidation, which further enhances its suitability for forging applications. It can withstand exposure to harsh environments, chemicals, and moisture, making it ideal for manufacturing components that are subjected to demanding operating conditions. Overall, special steel's exceptional performance in forging applications can be attributed to its high strength, durability, resistance to wear and tear, excellent machinability, and corrosion resistance. These properties make it a preferred choice in various industries, including automotive, aerospace, construction, and oil and gas, where high-quality forged components are essential for reliable and efficient operations.

Q: How does special steel contribute to the agricultural industry?: Special steel plays a vital role in the agricultural industry by providing durable and high-performance components for various farming equipment and machinery. Its unique properties such as strength, toughness, and corrosion resistance make it ideal for withstanding the demanding conditions encountered in agricultural operations. One of the key applications of special steel in agriculture is in the manufacturing of tillage tools such as plows, harrows, and cultivators. These tools are subjected to intense forces and abrasion while breaking the soil, and special steel ensures that they remain sturdy and efficient over extended periods of use. The toughness and wear resistance of the steel help to reduce the need for frequent replacements, thereby improving the overall productivity and cost-effectiveness of agricultural activities. Additionally, special steel is extensively used in the production of harvesting machinery like combine harvesters, grain conveyors, and crop processing equipment. These machines require components that can withstand the continuous stress and impact of harvesting and processing operations. Special steel's exceptional strength and fatigue resistance enable these machines to handle heavy loads and endure prolonged usage without compromising performance or safety. Furthermore, special steel finds application in the construction of irrigation systems, storage tanks, and other infrastructure required for efficient water management in agriculture. The corrosion resistance and durability of special steel ensure that these structures can withstand the harsh conditions of moisture and chemicals present in agricultural environments, thereby ensuring their longevity and functionality. Overall, special steel contributes significantly to the agricultural industry by providing durable and reliable components for various farming equipment and infrastructure. Its properties enhance the efficiency, productivity, and longevity of agricultural machinery and structures, ultimately benefiting farmers and enhancing the overall sustainability of agricultural practices.

Q: Can special steel be used in the production of artistic sculptures?: Certainly, artistic sculptures can indeed be produced using special steel. Special steel, which pertains to steel alloys specifically designed and manufactured for specific applications, presents a plethora of benefits that render it suitable for the creation of sculptures. Primarily, special steel alloys boast exceptional strength and durability, enabling sculptors to fashion large and intricate structures that can withstand external forces and environmental conditions. This robustness and resilience prove crucial, especially for sculptures placed outdoors and exposed to weather elements such as rain, wind, and extreme temperatures. Moreover, special steel alloys offer pliability and malleability, allowing for easy shaping and forming. Artists can effortlessly mold and manipulate the steel into various shapes and sizes, bringing their creative visions to life. By employing techniques like welding, cutting, and bending, sculptors can shape the steel into their desired forms, resulting in one-of-a-kind and captivating sculptures. Furthermore, special steel alloys can be finished in diverse ways, such as polishing, painting, or coating, to enhance their aesthetic appeal. This grants artists the ability to incorporate different textures, colors, and surface finishes into their sculptures, further augmenting their artistic value. Additionally, special steel alloys provide resistance to corrosion, which is especially significant for sculptures situated in outdoor or humid environments. This corrosion resistance ensures that the sculptures retain their visual allure and structural integrity over time, reducing the need for frequent maintenance and repairs. In conclusion, special steel presents a wide array of advantages that make it an exceptional choice for the production of artistic sculptures. Its strength, pliability, aesthetic appeal, and resistance to corrosion equip artists with the necessary tools to create visually striking and enduring sculptures that can be cherished for years to come.

Q: How is boron steel used in automotive safety applications?: Boron steel is used in automotive safety applications due to its high strength and ability to absorb and distribute impact energy. It is commonly used in the construction of safety cages, reinforcements, and components such as side impact beams, door beams, and crash boxes. Its exceptional crashworthiness properties help improve the structural integrity of vehicles, enhance occupant protection, and reduce the risk of serious injuries during accidents.

Q: What are the different non-destructive testing methods used for special steel?: There are several non-destructive testing methods used for special steel, including ultrasonic testing, magnetic particle testing, liquid penetrant testing, radiographic testing, and eddy current testing. These methods help to detect any defects or flaws in the steel without causing any damage. Ultrasonic testing uses high-frequency sound waves to evaluate the internal structure of the steel, while magnetic particle testing and liquid penetrant testing are used to detect surface defects through the use of magnetic fields and dye penetrants, respectively. Radiographic testing involves the use of X-rays or gamma rays to examine the internal structure of the steel. Eddy current testing, on the other hand, uses electromagnetic induction to detect surface or near-surface defects. Overall, these non-destructive testing methods play a crucial role in ensuring the quality and integrity of special steel.

Q: What is the role of special steel in the construction industry?: Special steel plays a crucial role in the construction industry as it provides strength, durability, and resistance to various environmental factors. It is commonly used in the construction of high-rise buildings, bridges, and infrastructure projects. Special steel's unique properties, such as high tensile strength, corrosion resistance, and heat resistance, make it suitable for critical applications where standard steel may not suffice. It ensures the structural integrity and safety of construction projects, making it an essential material in the industry.

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