High Quality Spring Steel Round Bar 28-32mm
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- 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 28-32mm
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 28-32mm:
-Material: 1065
-Standard: ASTM
-Production: Hot rolled or cold rolled
-Type: Spring Steel
| Diameter(mm) | Mass(kg/m) | Section(mm2) |
| 28 | 4.83 | 615.44 |
| 30 | 5.55 | 706.5 |
| 32 | 6.31 | 803.84 |
Corresponding Steel Grade of High Quality Spring Steel Round Bar 28-32mm 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 28-32mm:
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 28-32mm:
-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 28-32mm:
-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 28-32mm:
-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 28-32mm:
*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: What are the challenges in casting special steel?
- One of the challenges in casting special steel is the high melting point of the material. Special steels often have a higher carbon content or alloying elements, which increases their melting point. This requires the use of specialized furnaces and techniques to reach and maintain the necessary temperature for casting. Additionally, special steels can be prone to defects such as porosity, inclusions, and segregation during the casting process. These defects can negatively impact the mechanical properties and overall quality of the steel, making it difficult to achieve the desired specifications. Therefore, strict control over the casting conditions, including temperature, mold design, and pouring techniques, is crucial to overcome these challenges and produce high-quality special steel castings.
- Q: Can special steel be used for making marine components?
- Special steel, also called marine grade steel, is specifically designed for the production of marine components due to its ability to withstand the harsh conditions of marine environments. These environments are exposed to corrosion, high humidity, and saltwater, all of which can cause ordinary steel to deteriorate rapidly. Marine grade steel is typically manufactured with additional alloys, such as nickel, chromium, and molybdenum, which provide exceptional corrosion resistance and durability. These alloys assist the steel in resisting the corrosive effects of saltwater and prevent rust formation. Moreover, special steel is frequently coated with protective coatings or treated to further enhance its corrosion resistance. Marine components produced from special steel encompass ship hulls, propellers, shafts, valves, pipelines, and various structural elements. The utilization of special steel guarantees the longevity and dependability of these components in challenging marine conditions. Furthermore, the strength and toughness of special steel enable it to withstand the high mechanical stresses and impacts encountered at sea. In conclusion, special steel is an ideal material for the production of marine components due to its superior corrosion resistance, durability, and strength. It contributes to the prolonged lifespan and reliability of marine structures and equipment in unforgiving marine environments.
- Q: What are the different methods for improving the fatigue strength of special steel?
- There are various ways to enhance the fatigue strength of special steel: 1. Heat treatment is a commonly used approach, involving processes like annealing, quenching, and tempering. These treatments refine the steel's microstructure, reduce impurities, and boost fatigue resistance. 2. Surface treatments, such as shot peening and nitriding, can also enhance fatigue strength. Shot peening bombards the steel surface with small metal particles, inducing compression stress that prevents crack formation and propagation. Nitriding diffuses nitrogen into the surface layer, creating a hard and wear-resistant nitride layer that improves fatigue resistance. 3. Alloying special steel with specific elements, like chromium, molybdenum, or vanadium, can significantly improve fatigue strength. These elements form carbides or nitrides, acting as barriers against crack propagation. 4. Applying protective surface coatings, like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD), can enhance fatigue strength. These coatings act as barriers against environmental factors that may cause corrosion or surface damage, ultimately extending the steel's fatigue life. 5. Grain refinement can be achieved through processes like severe plastic deformation or equal channel angular pressing (ECAP). By refining the grain size, the steel's fatigue strength can be improved, as fine-grained steels have higher resistance to crack initiation and propagation. 6. Residual stress management plays a crucial role in enhancing fatigue strength. Techniques like stress relieving or shot peening can reduce tensile residual stresses, which are detrimental to fatigue resistance. It's important to consider specific requirements, the type of special steel, and the intended application when selecting the most suitable method for improving fatigue strength.
- Q: What are the main factors affecting the impact toughness of special steel?
- The impact toughness of special steel, or any material for that matter, is influenced by various factors. Some of the main factors affecting the impact toughness of special steel are: 1. Composition: The chemical composition of the steel plays a significant role in determining its impact toughness. Elements such as carbon, manganese, silicon, nickel, and molybdenum can be added to enhance the toughness of the steel. Higher carbon content generally improves hardness but reduces toughness, while alloying elements like nickel and molybdenum can enhance toughness. 2. Heat treatment: The heat treatment process, including processes like quenching and tempering, can significantly affect the impact toughness of special steel. Proper heat treatment can refine the microstructure of the steel, making it more resistant to fractures and increasing its toughness. 3. Microstructure: The microstructure of the steel, including the size, shape, and distribution of its grains, greatly impacts its toughness. Fine-grained steels generally exhibit better toughness compared to coarse-grained ones. The presence of certain phases, such as martensite or bainite, can also affect the impact toughness. 4. Inclusions: The presence of non-metallic inclusions, such as sulfides, oxides, or carbides, in the steel can act as stress concentration points and reduce its impact toughness. High-quality special steels often undergo processes like vacuum degassing or electroslag remelting to minimize the presence of these inclusions. 5. Processing conditions: The manufacturing processes used to produce special steel can influence its impact toughness. Factors such as forging, rolling, or extrusion conditions, as well as the cooling rate during solidification, can affect the microstructure and, consequently, the toughness of the steel. 6. Temperature: The impact toughness of special steel also varies with temperature. Some steels exhibit good toughness at low temperatures, while others may have better performance at higher temperatures. The temperature at which the steel is used or tested is an important factor to consider when evaluating its impact toughness. It is worth noting that the impact toughness of special steel is often determined using standardized tests, such as the Charpy or Izod test, which involve subjecting a notched specimen to impact loading. These tests provide valuable information on the material's ability to absorb energy and resist fracture under impact conditions.
- Q: What are the different types of corrosion that special steel can encounter?
- Special steel can encounter several different types of corrosion, including: 1. Uniform corrosion: This is the most common type of corrosion, where the entire surface of the steel corrodes evenly. It usually occurs when the steel is exposed to an aggressive environment, such as a corrosive chemical or high humidity. 2. Pitting corrosion: Pitting corrosion is characterized by localized corrosion attack in the form of small pits or cavities on the steel surface. It can occur due to the presence of chloride ions or other aggressive substances, and it can be particularly detrimental as it can lead to the formation of cracks. 3. Crevice corrosion: Crevice corrosion occurs in narrow gaps or crevices between steel surfaces, such as junctions, gaskets, or under deposits. It is caused by the restricted access of oxygen and the accumulation of corrosive agents, leading to localized corrosion and potential damage. 4. Galvanic corrosion: Galvanic corrosion occurs when two dissimilar metals are in contact with each other in the presence of an electrolyte. In special steel, this can happen when it is in contact with another metal in a corrosive environment, resulting in accelerated corrosion of the less noble metal. 5. Stress corrosion cracking: This type of corrosion occurs due to the combined action of tensile stress and a corrosive environment. It can cause the steel to crack and fail, even under relatively low stress levels. Special steel is often susceptible to stress corrosion cracking in specific environments, such as high chloride or acidic solutions. 6. Intergranular corrosion: Intergranular corrosion occurs along the grain boundaries of steel, usually due to the segregation of impurities during the steel's manufacturing process. It can weaken the material and lead to premature failure. To prevent or mitigate these types of corrosion, special steel can be treated with various corrosion-resistant coatings, such as paints, metallic coatings, or alloys with high resistance to corrosion. Additionally, proper material selection, design considerations, and regular maintenance can also help minimize the risk of corrosion in special steel applications.
- Q: How is nitriding steel used in surface hardening processes?
- Nitriding steel is used in surface hardening processes by introducing nitrogen into the steel's surface, resulting in the formation of a hard and wear-resistant outer layer. This process enhances the steel's mechanical properties, such as hardness, fatigue strength, and wear resistance, making it ideal for applications where high durability and resistance to abrasion are required.
- Q: Can special steel be used in tool manufacturing?
- Yes, special steel can be used in tool manufacturing. Special steel refers to a category of steel that has specific properties and characteristics that make it suitable for various applications, including tool manufacturing. Special steel is often alloyed with other elements such as chromium, molybdenum, or vanadium to enhance its strength, hardness, and wear resistance. In tool manufacturing, special steel is commonly used for making cutting tools, drills, dies, molds, and other tooling components. Its high strength and hardness allow it to withstand the demanding conditions of cutting, drilling, and shaping various materials. Special steel also offers excellent resistance to wear, heat, and corrosion, making it ideal for tools that need to maintain their sharpness and performance over prolonged use. Moreover, special steel can be further processed and treated through heat treatment techniques such as quenching and tempering to achieve specific hardness levels and improve its overall performance. This versatility makes special steel a preferred choice for tool manufacturers who prioritize durability, precision, and longevity in their products. Overall, special steel has proven to be a reliable and efficient material in tool manufacturing, enabling the production of high-quality tools that meet the needs of various industries, from automotive and aerospace to construction and manufacturing.
- Q: What are the main applications of special steel in the defense equipment?
- Special steel is widely used in defense equipment due to its exceptional properties such as high strength, durability, and corrosion resistance. It finds applications in various defense equipment including tanks, submarines, aircraft carriers, missile systems, armored vehicles, and military aircraft. Special steel is crucial for manufacturing components like armor plates, missile casings, propeller shafts, gun barrels, and other critical parts that require enhanced performance and reliability. Its usage ensures the defense equipment can withstand extreme conditions, resist wear and tear, and provide optimum protection and functionality to the armed forces.
- Q: How is wear-resistant steel used in mining equipment?
- Wear-resistant steel is commonly used in mining equipment due to its high durability and strength. It is utilized in various applications such as excavator buckets, crusher liners, and conveyor parts to withstand the harsh conditions of mining operations. The wear-resistant properties of this steel help to minimize abrasion and extend the equipment's lifespan, resulting in increased productivity and reduced maintenance costs.
- Q: How does special steel contribute to the strength of structures?
- Special steel contributes to the strength of structures through its unique properties and composition. It is specifically engineered to have higher tensile strength, durability, and resistance to corrosion compared to regular steel. Its increased strength allows structures to withstand heavier loads, vibrations, and extreme weather conditions more effectively, ensuring their stability and longevity. Additionally, the use of special steel enables the construction of lighter and more streamlined structures, as thinner sections can be used without compromising their strength. Overall, special steel plays a vital role in enhancing the structural integrity and safety of various buildings, bridges, and infrastructure projects.
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High Quality Spring Steel Round Bar 28-32mm
- 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
OKorder Financial Service
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