Mild Steel SS400 Q235 Steel A36 Carbon Steel
- Ref Price:
-
- 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:
Carbon Steel
Shape:
Steel Round Bar
Mild Steel SS400 Q235 Steel A36 Carbon Steel
Product Information:
Section shape:Round,square,hexagonal,flat,angle
Surface:Black painted,galvanized
Specifications:Round bar
Diameter: 4mm~800mm
Square bar
Size: 4mm*4mm~100mm*100mm
Length:5.8m,6m,11.8m,12m or as required.
Package:Bundled,wooden box for export standard package.
Application:Carbon steel rod applies to chemical industry, shipping industry,
manufacturing industry,construction,decorate Industry,electric
power,pump shafts, sanitary wares,furniture handles,boiler,high
temperature resistant,low temperature resistant, corrosion resistant.
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 is the chemical composition of special steel?
- Special steel is a broad term that encompasses a variety of steel alloys with specific properties and characteristics. The chemical composition of special steel can vary depending on the specific grade or type of steel being referred to. However, in general, special steel often contains higher amounts of alloying elements compared to regular carbon steel. These alloying elements can include elements such as chromium, nickel, molybdenum, vanadium, tungsten, and others. The specific combination and proportion of these alloying elements determine the unique properties of special steel, such as increased strength, enhanced corrosion resistance, improved heat resistance, or better wear resistance. For example, some common types of special steel include stainless steel, which typically contains high amounts of chromium and nickel, providing excellent corrosion resistance; tool steel, which has high carbon content and often contains other elements like vanadium or tungsten, making it suitable for cutting, drilling, or shaping tools; and high-speed steel, which contains elements like molybdenum, cobalt, or tungsten, giving it exceptional hardness and heat resistance for use in cutting tools or drills. In summary, the chemical composition of special steel varies depending on the specific type or grade, but it generally includes higher amounts of alloying elements to achieve desired properties such as strength, corrosion resistance, heat resistance, or wear resistance.
- Q:What are the different surface finishing methods used for special steel?
- Special steel can be subjected to various surface finishing methods, each serving a distinct purpose and yielding different outcomes. The most commonly employed surface finishing techniques for special steel comprise: 1. Grinding: By utilizing abrasive materials, grinding eliminates excessive material from the steel's surface. This method is primarily employed to attain a polished and sleek finish, while also eradicating any imperfections or roughness. 2. Polishing: By utilizing abrasive materials and polishing compounds, polishing creates a smooth and lustrous surface on the steel. This technique is frequently utilized to enhance the steel's visual appeal and bolster its resistance against corrosion. 3. Shot blasting: Shot blasting involves propelling small metallic or mineral particles onto the steel's surface at high velocities. This process effectively eliminates any impurities, rust, or scale, resulting in a clean and uniform finish. 4. Electroplating: Electroplating involves depositing a thin layer of metal onto the steel's surface via an electrochemical reaction. Commonly employed to improve the steel's appearance, corrosion resistance, and provide a decorative or protective coating. 5. Passivation: Passivation, a chemical process, entails treating the steel's surface with an acid solution to eliminate impurities and create a passive layer that resists corrosion. This method is frequently employed to enhance the corrosion resistance of stainless steel and other alloys. 6. Coating: Coating refers to the application of a protective layer or coating onto the steel's surface. This can involve utilizing paints, lacquers, enamels, or other protective coatings to prevent corrosion, enhance durability, or achieve a specific aesthetic finish. It is crucial to note that the selection of a surface finishing method for special steel heavily depends on the desired outcome, ranging from aesthetics to corrosion resistance or functionality. Furthermore, the specific characteristics of the steel, including its composition, hardness, and intended application, significantly influence the most suitable surface finishing method.
- Q:How is mold steel used in the production of plastic injection molds?
- Mold steel is commonly used in the production of plastic injection molds due to its high durability and resistance to wear and tear. It is used to create the main components of the mold, such as the cavity and core, which are responsible for shaping the plastic material. Mold steel provides the necessary hardness and strength to withstand the high pressures and temperatures involved in the injection molding process. Additionally, its excellent machinability allows for precise and intricate mold designs, ensuring the production of high-quality plastic parts.
- Q:Can special steel be used in the packaging industry?
- Yes, special steel can be used in the packaging industry. Special steel, such as stainless steel or high-strength steel, offers excellent durability, corrosion resistance, and strength properties. These characteristics make it suitable for manufacturing various packaging materials and equipment, including containers, drums, cans, and machinery. Additionally, special steel's versatility allows for customization and adaptation to meet specific packaging requirements, making it a preferred choice in the industry.
- Q:How is stainless steel used in food processing?
- Stainless steel is widely used in food processing due to its exceptional properties such as corrosion resistance, durability, and hygiene. It is used to manufacture various equipment like storage tanks, mixing vessels, piping systems, and food preparation surfaces. Stainless steel's non-reactive nature prevents contamination and ensures food safety, while its smooth surface allows for easy cleaning and maintenance. Additionally, its strength and heat resistance make it suitable for high-temperature processes in food processing plants.
- Q:What are the mechanical properties of special steel?
- Special steels, also known as alloy steels, possess enhanced mechanical properties compared to regular carbon steels. These properties vary depending on the specific alloying elements and their concentration. Some common mechanical properties of special steel include: 1. High tensile strength: Special steels are known for their exceptional strength, making them suitable for applications that require high load-bearing capacity. The tensile strength of these steels can range from 500 MPa to over 2,000 MPa, depending on the composition. 2. Improved hardness: Alloying elements in special steels can significantly increase their hardness. This property is desirable for applications that require resistance to wear and abrasion. Special steels can achieve hardness levels ranging from 200-600 HB (Brinell hardness), depending on the specific alloy composition and heat treatment. 3. Good toughness: Special steels often exhibit good toughness, which refers to the ability to absorb energy before fracturing. This property is crucial for components subjected to impact or dynamic loading. The combination of high strength and toughness makes special steels suitable for demanding applications such as automotive parts or industrial machinery. 4. Excellent fatigue resistance: Special steels are designed to withstand cyclic loading without failure. They exhibit enhanced fatigue resistance, allowing them to endure repeated stress cycles without compromising their structural integrity. This property makes special steels ideal for critical components in aerospace, automotive, and machinery industries. 5. Superior corrosion resistance: Depending on the alloy composition, special steels can offer improved corrosion resistance compared to regular carbon steels. The addition of elements like chromium, nickel, or molybdenum helps to form protective oxide layers on the surface, preventing corrosion and increasing durability. 6. High temperature resistance: Some special steels are specifically formulated to perform well at elevated temperatures. They possess excellent heat resistance and can retain their mechanical properties even at extreme temperatures. This property is crucial for applications such as turbine blades, exhaust systems, or high-temperature furnaces. It is important to note that the specific mechanical properties of special steel can vary widely depending on the specific alloy composition, heat treatment, and processing techniques used. Therefore, it is essential to consult the material specifications or consult with experts to determine the exact mechanical properties of a particular special steel.
- Q:How does special steel perform under high temperatures?
- Special steel, also known as high-temperature steel, exhibits excellent performance under high temperatures. It maintains its strength, hardness, and resistance to deformation, making it suitable for various applications in extreme heat conditions. Additionally, special steel can withstand thermal stress and oxidation, ensuring its durability and reliability in high-temperature environments.
- Q:How is special steel used in the aerospace sector?
- Special steel is extensively used in the aerospace sector due to its unique properties that make it suitable for various applications. One of the primary uses of special steel in the aerospace industry is for manufacturing aircraft engine components. These components, such as turbine blades, shafts, and casings, are subjected to extremely high temperatures, pressures, and stresses. Special steel, with its excellent heat resistance, high strength, and superior mechanical properties, enables these engine parts to withstand such harsh conditions, ensuring optimal performance and safety. Moreover, special steel is also utilized in the construction of aircraft structures, including wings, fuselage, landing gears, and other critical components. These structures need to be lightweight, yet strong enough to withstand the forces experienced during flight. Special steel alloys, such as stainless steel, are used to achieve this balance by providing excellent strength-to-weight ratios and corrosion resistance. Additionally, special steel finds application in aerospace fasteners, such as bolts, nuts, and screws. These fasteners must have exceptional strength and durability to ensure the structural integrity of the aircraft. Special steel alloys, like titanium alloys, are commonly used in this regard due to their lightweight nature, high strength, and resistance to corrosion. Furthermore, special steel is utilized in the production of aerospace tooling and equipment. These tools, such as molds, dies, jigs, and fixtures, need to be robust, wear-resistant, and capable of withstanding high temperatures and pressures during manufacturing processes. Special steel, with its excellent hardness, toughness, and heat resistance, makes it ideal for such applications. In summary, special steel plays a critical role in the aerospace sector by providing the necessary properties required for aircraft engine components, structures, fasteners, and tooling. Its unique characteristics of high strength, heat resistance, lightweight, and corrosion resistance make it an indispensable material in the production of reliable and high-performance aerospace systems.
- Q:How does special steel contribute to the transportation sector?
- Special steel contributes to the transportation sector by providing high-strength and lightweight materials that enhance the performance, efficiency, and safety of vehicles. It is used in various components, such as engine parts, chassis, and suspension systems, to improve fuel economy, reduce emissions, and enhance durability. Additionally, special steel's corrosion resistance properties make it suitable for manufacturing components in harsh environments, such as marine and aerospace applications, further expanding its contribution to the transportation industry.
- Q:What are the different methods of preventing hydrogen-induced cracking in special steel?
- There are several methods to prevent hydrogen-induced cracking in special steel. One common approach is to use preheating techniques, which involve heating the steel before welding to reduce hydrogen levels and minimize the risk of cracking. Another method is to employ low-hydrogen welding consumables, such as low-hydrogen electrodes or filler wires, which have reduced hydrogen content and can help prevent cracking. Additionally, post-weld heat treatments, such as stress relieving or tempering, can be implemented to remove residual hydrogen and relieve stress in the steel, reducing the chances of cracking. Proper cleaning and preparation of the steel surface, as well as controlling the welding parameters, are also crucial in preventing hydrogen-induced cracking.
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Mild Steel SS400 Q235 Steel A36 Carbon Steel
- 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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