High Quality Spring Steel Round Bar 40-50mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 10000 m.t/month
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High Quality Spring Steel Round Bar 40-50mm
Product Description:
Spring Steel can be divided into two types. One is carbon spring steel, and other one is alloy spring steel.
Alloy spring steel is based on carbon spring steel, by adding one or more alloying elements to improve the mechanical properties, hardenability and other properties to meet the requirement for manufacture all kinds of spring steel.
Specification of High Quality Spring Steel Round Bar 40-50mm:
-Material: 1065
-Standard: ASTM
-Production: Hot rolled or cold rolled
-Type: Spring Steel
| Diameter(mm) | Mass(kg/m) | Section(mm2) |
| 40 | 9.86 | 1256 |
| 45 | 12.5 | 1589.625 |
| 50 | 15.4 | 1962.5 |
Corresponding Steel Grade of High Quality Spring Steel Round Bar 40-50mm for Reference:
USA, ASTM | CHN, GB/T | JPN, JIS | ISO |
1065 | 65 | SWRH67A SWRH67B | Type SC Type DC |
FRA, NF | GBR, BS | ||
C66D | C66D |
Chemical Composition of High Quality Spring Steel Round Bar 40-50mm:
C | Mn | Ni | Si |
0.62~0.70 | 0.50~0.80 | ≤0.30 | 0.17~0.37 |
P | S | Cr | Cu |
≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 |
Mechanical Properties of High Quality Spring Steel Round Bar 40-50mm:
-Tensile Strength σb (MPa): ≥695
-Yield Strength σs (MPa): ≥410
-Elongation δ10(%): ≥10
-Percentage reduction of area: ψ (%): ≥30
-Hardness HBS, no heat treatment: ≤255
Usage/Applications of High Quality Spring Steel Round Bar 40-50mm:
-ASTM1065, is medium-high carbon spring steel. After heat treatment, this type of steel obtains high strength, hardness and elasticity but this material isn’t perfect for welding.
-Its fatigue strength is equal to alloy spring steel when they are in same configuration.
-For manufacturing spring, spring circle, all kinds of grommet, clutch, and axels in the production of normal machine.
Packaging & Delivery of High Quality Spring Steel Round Bar 40-50mm:
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks: There are two types of marks. One is color mark and other one is tag mark. We paint color marks on both ends of bundles to make sure that it’s more convenient for customers to distinguish their products from other products at the destination port. The tag marks will be tied up to each bundle to make sure that customers know the specifications of each bundle like product’s name and size and other information of products.
-Delivery Detail:
1, Delivery time: 30~60 working days after receive buyer’s T.T. or L/C.
2, Delivery status should be written in the contract. (Heat treatment or no)
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The shipping date is dependent upon the quatity, how many sizes you want and the plan of production, but is typically 1 month to 2 month days from the beginning of production.
Images of High Quality Spring Steel Round Bar 40-50mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q: Can special steel be used in the production of knives and blades?
- Yes, special steel can be used in the production of knives and blades. Special steel, such as stainless steel or high carbon steel, offers excellent hardness, corrosion resistance, and edge retention properties, making it suitable for manufacturing high-quality and durable knives and blades.
- Q: What are the different methods for surface hardening special steel?
- Surface hardening special steel can be achieved through various methods, each with distinct advantages and applications. Here are some commonly utilized techniques: 1. Carburizing: By subjecting the steel to a carbon-rich environment, either through gas or liquid mediums, the surface is heated. This leads to carbon atoms diffusing into the steel, creating a high-carbon layer and subsequently increasing its hardness. Carburizing is particularly suitable for parts with complex shapes, ensuring excellent wear resistance. 2. Nitriding: This method involves exposing the steel to atmospheres rich in nitrogen at elevated temperatures. Nitrogen atoms infiltrate the steel's surface, forming nitrides that significantly enhance hardness and wear resistance. Nitriding is often employed for parts requiring high fatigue strength and resistance against galling and fretting. 3. Induction hardening: Rapidly heating the steel's surface using high-frequency alternating currents characterizes induction hardening. This localized heating is followed by quenching, resulting in the creation of a hardened layer. Induction hardening is ideal for parts with localized wear areas or when specific regions necessitate hardening. 4. Flame hardening: Steel surfaces are heated to high temperatures using an oxy-fuel flame and then swiftly quenched in flame hardening. This technique is suitable for large and heavy parts that require deep hardening. Flame hardening provides both good wear resistance and toughness. 5. Laser hardening: Laser hardening is a precise and localized technique for surface hardening. The steel's surface is heated using a laser beam and subsequently quenched. This method offers high flexibility and control, making it ideal for complex geometries and small areas where hardness improvement is required. 6. Carbonitriding: By combining carburizing and nitriding processes, carbonitriding exposes the steel to an atmosphere containing both carbon and nitrogen. This results in the formation of a compound layer with enhanced hardness and wear resistance. Carbonitriding finds common usage in parts requiring a balance of hardness, toughness, and wear resistance. It should be noted that the choice of the appropriate surface hardening method depends on factors such as the specific steel composition, desired depth of hardness, part geometry, intended application, and cost considerations.
- Q: How does special steel compare to other materials like aluminum or titanium?
- Special steel, such as stainless steel or tool steel, offers several advantages over materials like aluminum or titanium. Firstly, special steel generally exhibits higher strength and hardness, making it ideal for applications requiring durability and resistance to wear. Secondly, special steel possesses excellent thermal conductivity, allowing it to dissipate heat more efficiently compared to aluminum or titanium. Additionally, special steel is often more cost-effective and readily available in comparison to titanium. However, aluminum and titanium are known for their lightweight properties, making them preferable for applications where weight reduction is crucial. Ultimately, the choice between special steel, aluminum, or titanium depends on the specific requirements and constraints of the intended application.
- Q: How does maraging steel achieve high strength through aging?
- Maraging steel achieves high strength through aging by undergoing a process called precipitation hardening. This involves heating the steel to a specific temperature and holding it there for a certain period of time, followed by rapid cooling. This process allows the formation of fine, intermetallic particles within the steel's microstructure, which greatly enhances its strength. Additionally, the aging process helps relieve residual stresses and improves the steel's toughness and corrosion resistance.
- Q: What are the main applications of special steel in the defense vehicles?
- Special steel is used in defense vehicles for various critical applications. It is particularly important in the manufacturing of armor plates, which provide protection to military vehicles against ballistic threats. Special steel is also used in the production of components like suspension systems, axles, and chassis, ensuring durability and strength in harsh conditions. Additionally, it is utilized in the construction of weapon systems, such as missile launchers and gun barrels, due to its high tensile strength and resistance to extreme temperatures. Overall, special steel plays a crucial role in enhancing the performance and survivability of defense vehicles.
- Q: What are the different methods of surface polishing for special steel?
- Different methods can be used to polish special steel surfaces, each offering its own advantages and applications. These methods include mechanical polishing, electrochemical polishing, chemical polishing, electropolishing, and vibratory polishing. Mechanical polishing utilizes abrasive materials to eliminate surface imperfections and create a smooth and reflective surface. This can be done manually or with automated polishing machines. It is effective for removing scratches, dents, and other defects. Industries such as automotive, aerospace, and precision engineering commonly employ this method. Electrochemical polishing, also known as electrolytic polishing, involves using an electrolyte solution and electric current to dissolve and eliminate surface material. It is particularly useful for complex shapes and hard-to-reach areas, providing a high level of surface smoothness. This method is frequently used in industries like medical devices, semiconductors, and jewelry manufacturing. Chemical polishing selectively removes surface material and creates a smooth finish using chemical solutions. It is effective for eliminating oxide layers, stains, and contaminants. This method is often used for stainless steel and other corrosion-resistant alloys. The process involves immersing the steel in a chemical bath and controlling factors like temperature, concentration, and time. Electropolishing combines the benefits of electrochemical and chemical polishing. It applies an electric current to remove surface material while dissolving it in an electrolyte solution. Electropolishing produces a highly smooth, clean, and corrosion-resistant surface finish. It is commonly used in industries such as pharmaceuticals, food processing, and semiconductor manufacturing. Vibratory polishing utilizes vibrating media and a polishing compound to remove surface imperfections. Steel parts are placed in a vibratory tumbler or bowl, where continuous movement causes the media to rub against the parts, resulting in a polished surface. This method is commonly used for small or delicate parts and can be a cost-effective and efficient option. When choosing a surface polishing method for special steel, factors such as desired surface finish, part geometry, material properties, and industry requirements should be considered. Consulting with experts or specialists is important to determine the most suitable method for a specific application.
- Q: What is the impact of carburizing on the properties of special steel?
- Carburizing, also known as case hardening, is a heat treatment process that involves introducing carbon into the surface layer of special steel. This process has a significant impact on the properties of the steel, enhancing its hardness, wear resistance, and strength. One of the main effects of carburizing is the formation of a hard outer layer, known as the case, which is rich in carbon. The diffusion of carbon atoms into the steel matrix during carburizing increases the carbon content at the surface, resulting in a higher hardness compared to the core. This hardened case provides excellent resistance against wear, abrasion, and surface fatigue, making it well-suited for applications that require high durability, such as gears, camshafts, and bearings. Additionally, carburizing enhances the strength of the steel, as the increased carbon content improves the material's ability to form martensite, a hard, crystalline structure. This martensitic transformation further contributes to the hardness and strength of the carburized steel, making it suitable for applications that require high load-bearing capacity, such as shafts and axles. Furthermore, carburizing can improve the fatigue resistance of special steel. The hardened case formed during carburizing helps to distribute stress more evenly across the surface, reducing the likelihood of crack initiation and propagation. This increased resistance to fatigue failure makes carburized steel suitable for components subjected to cyclic loading, such as gears and springs. However, it is important to note that carburizing can also have some drawbacks. The increased carbon content at the surface can lead to reduced ductility and toughness, making the material more prone to brittle fracture. To mitigate this issue, it is common to use a lower carbon content steel for the core, ensuring a balance between hardness and toughness. In conclusion, carburizing has a significant impact on the properties of special steel. It enhances hardness, wear resistance, and strength, making it suitable for applications that require durability, high load-bearing capacity, and fatigue resistance. However, the process should be carefully controlled to maintain a balance between hardness and toughness, ensuring the material's overall performance and reliability.
- Q: How does special steel contribute to the manufacturing of defense equipment?
- Special steel plays a crucial role in the manufacturing of defense equipment due to its exceptional properties. It provides enhanced strength, durability, and resistance to extreme conditions, making it ideal for critical components such as armor plates, missile casings, or aircraft parts. Special steel's ability to withstand high temperatures, impacts, and corrosion ensures the reliability and longevity of defense equipment, ultimately enhancing the safety and effectiveness of military operations.
- Q: What are the different mechanical defects in special steel?
- Special steel can be compromised in its overall strength and performance by various mechanical defects. The most common defects are: 1. Inclusions: These are foreign particles or impurities found in the steel, including oxides, sulfides, or other non-metallic materials. Inclusions weaken the steel, reducing its ductility and making it more prone to cracking or failure. 2. Segregation: Uneven distribution of alloying elements within the steel is known as segregation. This can cause variations in hardness, strength, and other mechanical properties throughout the material. Segregation creates localized areas of weakness, increasing the risk of failure under stress. 3. Cracks: Special steel can develop cracks due to factors like improper cooling, excessive heat, or high levels of stress. These cracks significantly reduce the structural integrity of the steel and may spread over time, leading to catastrophic failure. 4. Laminations: Thin layers or sheets of material, called laminations, can form during the manufacturing process. They occur due to improper rolling or forging, or the presence of inclusions. Laminations weaken the steel and cause premature failure under load. 5. Decarburization: Exposure to high temperatures or oxidation causes decarburization, which is the loss of carbon from the steel's surface. This results in a layer of softer, lower carbon steel on the surface, reducing the material's overall hardness and strength. 6. Grain growth: Over time, the individual crystals within the steel (grains) can grow larger, leading to grain growth. High temperatures, prolonged stress exposure, or improper heat treatment can cause this. Grain growth reduces the steel's strength and toughness, making it more susceptible to deformation or fracture. It is important to understand that the severity of these mechanical defects can vary and is influenced by factors such as the manufacturing process, quality control measures, and the specific composition of the special steel. Regular inspection, testing, and adherence to proper handling and processing techniques are crucial in minimizing these defects and ensuring the desired mechanical properties of special steel.
- Q: How does special steel perform in nuclear applications?
- Due to its exceptional properties and performance, special steel holds significant value in nuclear applications. Nuclear reactors operate under extreme conditions, enduring high temperatures, pressures, and radiation exposure. Designed specifically for these demanding circumstances, special steel, also known as nuclear-grade steel or reactor-grade steel, can withstand them. One of the primary characteristics of special steel lies in its remarkable strength and toughness. This quality enables it to resist deformation and fractures, even under the intense stress and pressure present in nuclear reactors. Additionally, special steel exhibits superior heat resistance, ensuring its structural integrity remains intact at elevated temperatures. This feature is critical to prevent any potential failures or structural damage that could jeopardize the safety and efficiency of the nuclear system. Moreover, special steel possesses exceptional resistance to corrosion and oxidation. The highly corrosive environments within nuclear reactors, caused by various chemical compounds and high-temperature water or steam, make this corrosion resistance indispensable. It ensures the longevity and reliability of reactor components while minimizing the risk of radioactive material release. Furthermore, special steel is designed to have low neutron absorption properties. By reducing neutron absorption, special steel helps optimize the performance and efficiency of the nuclear system. This is vital as neutron absorption can lead to the formation of unwanted isotopes that could interfere with nuclear reactions or contribute to the production of radioactive waste. Overall, special steel is a critical material in nuclear applications. Its provision of necessary strength, heat resistance, corrosion resistance, and low neutron absorption ensures the safe and efficient operation of nuclear reactors. Its exceptional performance guarantees the integrity of the system, minimizes accident risks, and contributes to the overall sustainability of nuclear energy.
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High Quality Spring Steel Round Bar 40-50mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 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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