Cold Rolled SAE 1045 AISI 1045 CK45 S45C Carbon Steel

Cold Rolled SAE 1045 AISI 1045 CK45 S45C Carbon Steel System 1

Cold Rolled SAE 1045 AISI 1045 CK45 S45C Carbon Steel

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Specification

Type:

Alloy Steel

Shape:

Steel Round Bar

Cold Rolled SAE 1045 AISI 1045 CK45 S45C Carbon Steel

Product Information:

Characteristic of s45c carbon steel

Thickness:3-5000mm

Width:2000-2300mm or as custom's request

Length:2-12m,as your requirment

Technique:Cold rolled or hot rolled

Surface treatment:Bare, galvanized coated or as customer's requirements.

Standard:ASTM,EN,GB,JIS,GB

Material:A283Gr.D/A573Gr.65,A516Gr65,A516Gr70,A284Gr.D

SS400,SS300,CCSB A36,A32,LRA32,LRB,Q235

Q195,Q235,Q345,SS400,ASTM A36,E235B

Terms of Payment;L/C or T/T

Chemical composition:C≤0.004%;Si≤0.030%;Mn ≤0.17%;P≤0.012%;S≤0.010%; Fe balance

Delivery Detail:within 30 days once receive deposite or confirm L/C

Packing:Standard export packing,or as requirement

Applications of s45c carbon steel

Automobile,Bridges, Buildings,

Machinery,Pressure,vessel;industries.

Ship building,Engineering construction

Mechanical manufacturing,Pavement slab,ect.

Product Overviews:

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
	40 (1040/S40C/C40)
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
	GCr15 (52100/SUJ2/100Gr6)
	GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
	40Cr (5140/SCr440/41Cr4)
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
	20CrMn(5115/SMnC420/20MnCr5)
	20CrNiMo(8620/SNCM220/20CrMiMo2)

Product Show:

Cold Rolled SAE 1045 AISI 1045 CK45 S45C Carbon Steel

Our Advantages:

· Industry experience over 20 years.

· Shipment of goods -More than 70 countries worldwide.

· The most convenient transport and prompt delivery.

· Competitive price with best service.

· High technical production line with top quality products.

· High reputation based on best quality products.

With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.

Communication, Experience, Expertise and Best efforts are our Promises to you.

Q: What are the emerging trends in the special steel industry?: Some of the emerging trends in the special steel industry include the growing demand for lightweight and high-strength steel in the automotive and aerospace sectors, the increasing adoption of advanced manufacturing technologies such as additive manufacturing, and the focus on sustainability and eco-friendly practices in steel production. Additionally, there is a rising emphasis on research and development to develop innovative alloys and steel grades that offer superior performance and durability for various applications.

Q: What is the importance of heat treatment in special steel?: Heat treatment is of utmost importance in special steel because it significantly enhances its mechanical properties and overall performance. Special steel, also known as alloy steel, is specifically designed to possess specific characteristics such as high strength, hardness, wear resistance, and toughness, making it suitable for demanding applications in industries like automotive, aerospace, and tooling. The heat treatment process involves controlled heating and cooling of the steel to alter its microstructure, which in turn affects its properties. There are several heat treatment techniques employed, including annealing, tempering, quenching, and hardening, each serving a specific purpose. One key importance of heat treatment in special steel is the ability to increase its hardness. Through techniques like quenching and hardening, the steel can be transformed into a hardened state, where it becomes much stronger and more resistant to abrasion and wear. This is crucial for applications that involve heavy loads, impact, and abrasive environments. Additionally, heat treatment can also improve the toughness and ductility of special steel. By carefully controlling the cooling rate during the heat treatment process, the steel's microstructure can be adjusted to achieve a fine-grained structure, enhancing its toughness and ability to withstand sudden impacts or shocks. This is particularly important in applications where the material needs to absorb energy and resist fractures, such as in structural components or tools. Furthermore, heat treatment can also improve the machinability and dimensional stability of special steel. By subjecting the steel to annealing or tempering processes, internal stresses and residual strains can be relieved, resulting in a more stable and easier-to-machine material. This is crucial in industries where precision and dimensional accuracy are paramount. In conclusion, the importance of heat treatment in special steel cannot be overstated. It is a vital process that allows for the optimization of the steel's mechanical properties, ensuring it meets the specific requirements of demanding applications. By carefully manipulating the microstructure, heat treatment enhances the steel's hardness, toughness, and machinability, making it a versatile and reliable material in various industries.

Q: How does special steel contribute to the automotive aftermarket?: Special steel contributes to the automotive aftermarket by providing high-performance and durable components that enhance the overall performance, safety, and reliability of vehicles. Special steel, such as high-strength steel and stainless steel, is used in the manufacturing of various automotive parts, including engine components, chassis, suspension systems, and exhaust systems. These materials offer superior strength, corrosion resistance, and heat resistance, thereby ensuring longer service life and improved performance of aftermarket automotive parts. Additionally, special steel enables the development of lightweight designs, leading to fuel efficiency improvements and reduced emissions, which are crucial factors in the automotive industry.

Q: What are the different quenching techniques used for special steel?: Some of the different quenching techniques used for special steel include oil quenching, water quenching, and polymer quenching. Oil quenching involves immersing the steel in oil to cool it down rapidly, while water quenching uses water to achieve a similar effect. Polymer quenching, on the other hand, involves using a specially formulated polymer solution to cool the steel. Each technique has its own advantages and disadvantages, and the choice of quenching technique depends on the specific requirements of the steel being treated.

Q: How is tool steel used in the manufacturing of molds and dies?: Tool steel is used in the manufacturing of molds and dies due to its exceptional hardness, wear resistance, and toughness. It allows for the creation of precise and durable molds and dies that can withstand the high pressures and temperatures involved in various manufacturing processes. Tool steel also provides excellent dimensional stability, ensuring the accuracy and consistency of the final products.

Q: How does the heat treatment process affect the properties of special steel?: The properties of special steel are greatly affected by the heat treatment process. This process involves controlled heating and cooling of the steel to modify its microstructure and, as a result, its mechanical properties. To begin, heat treatment can increase the hardness of special steel. By heating the steel to a specific temperature and then rapidly cooling it through quenching, the steel undergoes a phase transformation that boosts its hardness. This is especially advantageous for applications that demand high strength and resistance to wear, such as cutting tools or bearings. Furthermore, heat treatment can enhance the toughness of special steel. By tempering the quenched steel at a lower temperature, the brittleness caused by rapid cooling can be minimized, leading to improved toughness and ability to withstand impacts. This is crucial in applications where the steel must endure sudden shocks or impacts, like in automotive or aerospace components. Moreover, heat treatment can also improve the overall strength of special steel. Through a combination of heating, cooling, and tempering processes, the steel's grain structure can be refined, resulting in increased strength and resistance to deformation. This is particularly critical for structural applications where the steel must withstand heavy loads or extreme conditions. Additionally, the heat treatment process can influence the corrosion resistance of special steel. By subjecting the steel to specific heat treatment cycles, the formation of certain phases or chemical compounds can be encouraged, leading to enhanced resistance against corrosion or oxidation. This is essential for applications exposed to harsh environments or corrosive substances, such as in marine or chemical industries. In conclusion, the heat treatment process is essential in modifying the properties of special steel. By carefully controlling the heating, cooling, and tempering cycles, the hardness, toughness, strength, and corrosion resistance of the steel can be significantly improved. This allows for the production of special steel with customized properties to meet the specific requirements of various industrial applications.

Q: What are the different test methods used to evaluate special steel?: Special steel undergoes several test methods to evaluate its quality and performance, ensuring that it meets the required standards and specifications. Commonly employed test methods include: 1. Tensile Testing: This method assesses the steel's ability to withstand tension or pulling forces, determining its ultimate tensile strength, yield strength, and elongation. 2. Hardness Testing: Hardness tests, such as Rockwell or Brinell tests, evaluate the steel's resistance to indentation or scratching, providing insight into its strength and durability. 3. Impact Testing: This test measures the steel's capacity to absorb energy under high-stress conditions. Charpy and Izod tests are frequently used to determine the steel's toughness and resistance to sudden shocks or impacts. 4. Chemical Analysis: Determining the steel's composition, including the percentage of elements like carbon, manganese, and chromium, guarantees that it meets the necessary specifications and standards. 5. Microstructure Evaluation: Microscopic examination of the steel's microstructure reveals crucial information about its grain size, phase distribution, and any potential defects or inclusions. Optical microscopy or electron microscopy techniques are employed for this purpose. 6. Corrosion Testing: Special steel must endure harsh environments or corrosive substances. Various corrosion tests, such as salt spray tests or immersion tests, assess the steel's resistance to corrosion and degradation. 7. Non-Destructive Testing (NDT): NDT methods, including ultrasonic testing, magnetic particle testing, or eddy current testing, detect surface or internal defects without damaging the steel. These tests provide valuable information about the steel's structural integrity. 8. Fatigue Testing: Fatigue tests simulate repetitive loading conditions to evaluate the steel's resistance to cyclic stress, assessing its durability and ability to withstand long-term usage or repetitive loading. Utilizing these diverse test methods, manufacturers and quality control departments can thoroughly assess the mechanical properties, chemical composition, microstructure, and other crucial factors of special steel, ensuring it meets the necessary standards and specifications.

Q: How is high-strength tool steel used in the production of heavy-duty tools?: High-strength tool steel is utilized in the production of heavy-duty tools due to its exceptional hardness, toughness, and wear resistance properties. This steel is specifically engineered to withstand high stress and extreme conditions, making it ideal for manufacturing tools that require durability and longevity. Heavy-duty tools such as drills, chisels, hammers, and cutting tools often require high-strength tool steel to ensure they can endure rigorous use and maintain their sharpness and functionality over time.

Q: How is special steel protected against corrosion?: Special steel is protected against corrosion through various methods such as coating it with corrosion-resistant materials like zinc, nickel, or chromium, using cathodic protection techniques, applying protective paints or sealants, and employing proper maintenance practices like regular cleaning and inspections.

Q: What are the applications of special steel in the medical field?: The medical field benefits greatly from the unique properties and characteristics of special steel, which has a wide range of applications. Surgical instruments are one major area where special steel, such as stainless steel, is extensively used. These instruments, including scalpels, forceps, scissors, and surgical needles, require strength, durability, and resistance to corrosion. Special steel provides the necessary qualities to ensure these instruments maintain their sharpness and integrity even after repeated use and sterilization. Another important application of special steel in healthcare is the production of implants and prosthetics. Various special steel alloys, such as titanium alloys, cobalt-chromium alloys, and nickel-titanium alloys, are commonly employed to manufacture orthopedic and dental implants, as well as other medical devices. These alloys possess excellent biocompatibility, corrosion resistance, and mechanical strength, which make them ideal for long-term implantation within the human body. Special steel also plays a crucial role in the construction of medical equipment and machinery. Diagnostic machines like MRI scanners and X-ray machines often incorporate special steel components due to their magnetic properties and ability to withstand high temperatures. By utilizing special steel, the accuracy, reliability, and safety of these devices are ensured. Furthermore, special steel is used in the manufacturing of medical storage and transportation systems. Steel cabinets, trolleys, and containers are commonly used to store and transport medical supplies, instruments, and samples. The use of special steel in these systems guarantees durability, hygiene, and a long lifespan. Special steel is easy to clean, resistant to contamination, and maintains its quality over time. In conclusion, special steel is extensively utilized in the medical field for a variety of purposes. From surgical instruments to implants, medical equipment to storage systems, special steel is an essential material that contributes to the effectiveness, reliability, and safety of medical procedures and treatments. Its unique properties make it an indispensable resource in the healthcare industry.

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