Hot Rolled/Forged 45 SAE1045 AISI1045 CK45
- Ref Price:
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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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Item specifice
Type:
Alloy Steel
Shape:
Steel Round Bar
Hot Rolled/Forged 45 SAE1045 AISI1045 CK45
Product Information:
Stock available in annealed and QT condition.
No MOQ for order.
Delivery 7-10 days.
Good tolerance according the the OD.
Staightness could meet 1mm/M per requirement.
Chemical Composition(%)
| Standard | C | Si | Mn | Cr | Ni | P/S ≤ |
| DIN | ≤0.15 | ≤1.0 | ≤2.0 | 18 | 9 | 0.03 |
| GB | ≤0.15 | ≤1.0 | ≤2.0 | 18 | 9 | 0.03 |
Applications of steel bar
Hardware, chemistry, foodstuff, medicine apparatus, making industry, computer or notebook components, etc.
Characteristic of steel bar
High carbon and high chromium, dimensionally stable, ledeburitic 12 % Cr alloyed cold work tool steel, non-deforming, better hardenability, higher cutting capacity and improved wear resistance than 1.2080, low distorsion, good edge holding properties, deep hardening, high compressive strength, high surface hardness after hardening, suitable for air hardening.
Heat Treatment of steel bar
Hardening:84°C
Hardness after tempering (HRC):56
Delivery condition: below HB250
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:
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 applications of special steel in the manufacturing supply chain?
- Special steel has various applications in the manufacturing supply chain. It is commonly used in industries such as automotive, aerospace, energy, and construction. Special steel's unique properties, including high strength, durability, and resistance to corrosion and wear, make it ideal for manufacturing components and parts that require exceptional performance under demanding conditions. These applications can range from manufacturing engine components, structural parts, tools, and machinery, to oil and gas pipelines, power generation equipment, and building infrastructure. Special steel plays a crucial role in enhancing the overall efficiency, reliability, and safety of the manufacturing supply chain.
- Q:How is special steel different from regular steel?
- Special steel is different from regular steel due to its unique composition and manufacturing process. It contains additional alloying elements such as chromium, nickel, or molybdenum, which enhance its strength, hardness, corrosion resistance, and other specific properties. Special steel is carefully engineered to meet specific industrial requirements, making it suitable for applications that demand exceptional performance, durability, and resistance to wear and tear.
- Q:What are the different methods of controlling the grain size in special steel?
- To achieve desired mechanical properties and performance, there are multiple approaches available for controlling the grain size in special steel. The following are some of the techniques that can be employed: 1. Alloying: The grain size in steel can be controlled by carefully selecting and managing the composition of alloying elements. Elements like niobium, vanadium, and titanium have proven effective in refining the grain size. 2. Heat treatment: The grain size can be regulated through the process of heat treatment. Techniques such as annealing, normalizing, and quenching can be utilized to manipulate the grain size. For example, slow cooling during annealing encourages the growth of larger grains, while rapid cooling during quenching leads to smaller grain sizes. 3. Deformation processing: Mechanical deformation methods like rolling, forging, or extrusion can aid in refining the grain structure. These processes induce strain and facilitate the formation of smaller and more uniform grains. 4. Grain growth inhibitors: The addition of specific elements like aluminum or zirconium to the steel can act as inhibitors for grain growth. These elements create fine particles that impede the growth of grains during heat treatment, resulting in a smaller grain size. 5. Control of transformation temperature: Manipulating the transformation temperature during heat treatment allows for control over the grain size. Lowering the austenitizing temperature, for example, can yield a finer grain structure in the final product. 6. Rapid solidification: Employing techniques such as spray forming or rapid quenching can lead to an ultrafine-grained microstructure. The rapid cooling prevents grain growth, resulting in a fine and homogeneous grain structure. 7. Severe plastic deformation (SPD) techniques: Techniques like equal channel angular pressing (ECAP) or high-pressure torsion (HPT) impose significant strain on the material, leading to a refined grain structure. These methods are commonly used for producing ultrafine-grained or nanostructured steels. It is essential to consider the desired properties, alloy composition, and intended application of the final product when choosing a method for controlling the grain size in special steel.
- Q:What are the different aerospace grades of special steel?
- In the aerospace industry, various grades of special steel are commonly utilized to meet the stringent safety standards and high-performance requirements. These grades are specifically engineered for aerospace applications. Let's take a look at some of the different aerospace steel grades: 1. One of the steel grades, known as 300M, stands out for its exceptional strength and toughness. It finds frequent use in aircraft landing gears, structural components, and other demanding applications. 2. Another widely employed alloy steel in the aerospace sector is 4340. This steel grade boasts high strength and good hardenability, making it suitable for critical components such as gears and shafts. 3. Stainless steel grade 17-4 PH offers a unique combination of high strength, corrosion resistance, and good toughness. It is commonly found in aerospace applications, including aircraft engine components, landing gears, and structural parts. 4. Similarly, 15-5 PH stainless steel shares similarities with 17-4 PH in terms of high strength and corrosion resistance. It is often chosen for aerospace applications where weight reduction is crucial, such as aircraft structural components. 5. The 300 series stainless steels, such as grades 301, 302, and 304, are frequently employed in aerospace applications due to their excellent corrosion resistance, low magnetic permeability, and favorable strength-to-weight ratio. These steels find use in aircraft structures, fuel tanks, and components that face harsh environments. 6. Although not technically steel, titanium alloys are widely utilized in aerospace applications thanks to their exceptional strength, low density, and high corrosion resistance. Grades like Ti-6Al-4V are commonly employed in aircraft structures, engine components, and landing gears. These examples represent only a portion of the diverse aerospace grades of special steel used in the industry. Each grade possesses specific properties and characteristics that render them appropriate for various applications within the aerospace field.
- Q:How does special steel contribute to the oil and gas aftermarket industry?
- Special steel plays a crucial role in the oil and gas aftermarket industry by offering enhanced performance, durability, and resistance to extreme conditions. It is used in various components such as pipes, valves, fittings, and drilling equipment, ensuring efficient and reliable operations in harsh environments. The unique properties of special steel, including high strength, corrosion resistance, and heat resistance, enable the industry to achieve increased productivity, improved safety, and extended equipment lifespan.
- Q:How is the hardness of special steel measured?
- Various methods are typically used to measure the hardness of special steel. The most common method is the Rockwell hardness test, which involves pressing a diamond or hardened steel ball into the surface of the steel to measure the depth of penetration. The Rockwell hardness number is determined based on the difference in depth before and after the application of a minor load and a major load. Another widely used method is the Brinell hardness test, which involves indenting a hardened steel or carbide ball into the steel surface and measuring the diameter of the indentation. The hardness is calculated based on the applied load and the diameter of the impression. Additionally, for specific applications, other methods like the Vickers hardness test and the Knoop hardness test are often employed. These tests require indenting the steel surface with a diamond pyramid to measure the diagonal lengths or the indentation depth, respectively. Ultimately, the hardness of special steel is determined by assessing its resistance to indentation or penetration. This information is valuable in understanding the mechanical properties of the steel and determining its suitability for different applications.
- Q:Can special steel be used in the production of consumer goods?
- Yes, special steel can be used in the production of consumer goods. Special steel refers to steel alloys that have been specifically formulated to have unique properties, such as high strength, corrosion resistance, or heat resistance. These properties make special steel suitable for a wide range of consumer goods that require durability, strength, or resistance to wear and tear. For example, special steel can be used in the production of kitchen appliances like knives and cookware, where high strength and corrosion resistance are important. It can also be used in the manufacturing of consumer electronics, such as smartphones and laptops, where the steel may be used in the casing or internal components to provide structural integrity and protection. Furthermore, special steel is commonly used in the automotive industry for the production of various consumer goods like bicycles, motorcycles, and cars. The steel's high strength and lightweight properties make it ideal for creating strong and durable vehicle frames, engine components, and other parts. In summary, special steel can indeed be used in the production of consumer goods, as its unique properties make it suitable for applications where strength, durability, and resistance to corrosion or wear are essential.
- Q:What are the different electrical grades of special steel?
- There are several electrical grades of special steel that are specifically designed to have superior electrical properties. These grades include: 1. Electrical Silicon Steel: This grade of special steel contains a high percentage of silicon, typically around 3-4%. The presence of silicon helps to minimize eddy current losses and improve the magnetic properties of the steel, making it ideal for use in electrical transformers and motors. 2. Electrical Stainless Steel: This grade of special steel is made from stainless steel alloys, which are known for their excellent corrosion resistance. The electrical stainless steel has a low electrical resistivity and high thermal conductivity, making it suitable for electrical connectors, terminals, and other components that require good electrical conductivity and resistance to oxidation. 3. Electrical Tool Steel: Tool steels are commonly used in the manufacturing of various tools and dies. Some tool steels are specifically formulated to have improved electrical properties, including high electrical conductivity and resistance to heat. These grades are often used in the production of electrical contacts, switches, and other electrical components that require high wear resistance and good electrical performance. 4. Electrical Copper-Clad Steel: This grade of special steel is made by bonding a layer of copper to a steel core. The copper layer provides excellent electrical conductivity, while the steel core provides strength and durability. Electrical copper-clad steel is commonly used in applications where high electrical conductivity is required, such as in power transmission lines and grounding systems. Overall, the different electrical grades of special steel offer a range of electrical properties to meet the specific needs of various electrical applications. These grades are carefully engineered to provide optimal electrical performance, durability, and resistance to corrosion and wear.
- Q:Can special steel be used in the automotive racing industry?
- Yes, special steel can be used in the automotive racing industry. Special steel alloys, like high-strength steels or heat-resistant steels, are commonly utilized to enhance performance, durability, and safety in racing vehicles. These specialized steels offer superior strength-to-weight ratios, improved mechanical properties, and resistance to extreme temperatures, making them ideal for various automotive racing applications such as chassis, suspension components, engine parts, and exhaust systems.
- Q:What are the common grades of special steel?
- The common grades of special steel vary depending on the specific application and desired properties. Some of the commonly used grades include: 1. Stainless steel: This is a corrosion-resistant steel alloy that contains a minimum of 10.5% chromium. Grades such as 304, 316, and 410 are commonly used in various industries due to their excellent corrosion resistance, high strength, and good formability. 2. Tool steel: These grades are specifically designed for toolmaking and are known for their high hardness, wear resistance, and toughness. Common tool steel grades include D2, A2, O1, and S7, each having specific properties suitable for different applications. 3. High-speed steel (HSS): HSS is a type of tool steel that can retain its hardness and cutting ability even at high temperatures. It is commonly used in cutting tools such as drills, end mills, and taps. M2, M35, and M42 are some of the common grades of HSS. 4. Alloy steel: As the name suggests, alloy steel is made by adding different alloying elements to enhance specific properties. Grades such as 4140, 4340, and 8620 are commonly used due to their high strength, toughness, and wear resistance. They find applications in industries like automotive, aerospace, and machinery. 5. Spring steel: Spring steel is known for its ability to return to its original shape after being bent or twisted. Grades like 1095 and 5160 are commonly used in the manufacturing of springs, suspension components, and hand tools. These are just a few examples of the common grades of special steel. There are numerous other grades available, each with unique properties and applications. It is important to select the appropriate grade based on the specific requirements of the intended use.
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Hot Rolled/Forged 45 SAE1045 AISI1045 CK45
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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