Spring Steel Round Bars Grade 55cr3
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Product Basic Information:
Material | ASTM SAE 5155 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.52-0.60 | Tensile strength(MPA) | 1078 |
Si | 0.17-0.37 | Yield strength (MPA) | 1225 |
Mn | 0.65-0.95 | Elongation(δ5/%) | 9 |
Cr | 0.65-0.95 | Reduction in Area (ψ/%) | 20 |
Mo | - | Impact (J) | - |
P | ≤0.035 |
Hardness |
- |
S | ≤0..035 | ||
Cu | 0.25 | ||
Ni | 0.35 | ||
Product Sales Information:
Material | bearing Steel round bar |
Size | Diameter:20mm-1000mm Length:500mm-6000mm |
Origin place | Made In China |
Delivery Condition | Hot rolled,cold drawn,forged |
Surface require | Black,grinding,bright,polish |
Heat treatment | Quenched,Tempered,annealed |
Packing | seaworthy packing ,wooden case ,carton,woven bag or at client's requires |
Delivery time | In 10-50 days |
Trade Term | EXW,FOB,CIF |
Payments | T/T or L/C at sight |
Port | China main Port,such as shanghai,Dalian,Shenzhen port. |
MOQ | 1 Ton |
FAQ of Spring Steel Round Bars:
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard.Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
Spring Steel Round Bars Images
- Q:What are the different peening techniques used for special steel?
- There are several peening techniques used for special steel, including shot peening, ultrasonic peening, laser peening, and cavitation peening. Each technique involves using different methods and tools to introduce controlled compressive stresses into the material's surface, improving its mechanical properties and resistance to fatigue, stress corrosion, and other forms of degradation.
- Q:How does electrical steel contribute to the production of transformers and motors?
- Electrical steel, also known as silicon steel or lamination steel, plays a crucial role in the production of transformers and motors. Its unique magnetic properties make it an ideal material for the cores of these devices. The high silicon content in electrical steel reduces the energy losses that occur due to magnetic hysteresis and eddy currents, making the transformers and motors more efficient. Additionally, the laminated structure of electrical steel helps to minimize the eddy current losses further. Overall, the use of electrical steel in transformers and motors improves their performance, increases energy efficiency, and allows for compact and lightweight designs.
- 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:What are the main applications of special steel in the packaging machinery?
- Special steel is commonly used in packaging machinery for its high strength, durability, and resistance to wear and corrosion. It is primarily employed in the production of components such as blades, knives, rollers, and bearings, ensuring smooth and efficient packaging operations. Additionally, special steel's heat resistance and ability to maintain precision under extreme conditions make it suitable for applications involving high-speed packaging, cutting, and sealing processes.
- Q:How does special steel contribute to the renewable energy industry?
- Special steel contributes to the renewable energy industry by providing durable and high-performance materials for various applications. It is used in the construction of wind turbines, solar panels, and hydroelectric power plants, enhancing their efficiency and longevity. Special steel also plays a crucial role in the manufacturing of energy storage systems, such as batteries, ensuring their reliability and safety. Overall, special steel enables the renewable energy sector to achieve higher energy output, reduce carbon emissions, and accelerate the global transition to sustainable sources of power.
- Q:What are the requirements for special steel used in cryogenic applications?
- To ensure optimal performance and reliability in extremely low-temperature environments, special steel employed in cryogenic applications must fulfill a range of prerequisites. First and foremost, the steel must exhibit exceptional low-temperature toughness, enabling it to endure the extreme cold without succumbing to brittle fracture or compromising its mechanical properties. It is imperative that the steel possesses high toughness and ductility to effectively absorb impacts and prevent cracking. Moreover, the steel must possess a low coefficient of thermal expansion. This characteristic assumes significance as cryogenic applications involve substantial temperature fluctuations. A high coefficient of thermal expansion can result in dimensional instability and stress within the material. Conversely, a low coefficient of thermal expansion mitigates these effects and maintains dimensional stability. Furthermore, the steel should demonstrate low thermal conductivity. Given that cryogenic applications often entail the transfer or storage of substances at extremely low temperatures, minimizing heat transfer is essential. A low thermal conductivity aids in maintaining the desired temperature and prevents unwanted heat exchange. This aspect is particularly critical in applications where precise temperature control is paramount, such as the storage of liquefied gases. In addition, the steel must exhibit excellent corrosion resistance. Cryogenic environments can be highly corrosive, necessitating the steel's ability to withstand the detrimental effects of corrosive substances that may be present. This attribute is particularly vital in applications involving the storage or transportation of cryogenic liquids or gases. Finally, the steel should possess good weldability. Welding is often necessary to join different components or sections of the steel in cryogenic applications. Therefore, ensuring the steel's weldability is crucial to establish strong and reliable joints. In summary, the requirements for special steel used in cryogenic applications encompass exceptional low-temperature toughness, a low coefficient of thermal expansion, low thermal conductivity, excellent corrosion resistance, and good weldability. Satisfying these requirements guarantees the steel's ability to withstand the harsh conditions and extreme cold of cryogenic environments while preserving its structural integrity and performance.
- Q:What are the environmental benefits of using special steel?
- Special steel, also known as alloy steel, offers several environmental benefits. Firstly, it has a longer lifespan compared to conventional steel, reducing the need for frequent replacements and minimizing the associated resource consumption and waste generation. Secondly, special steel is often manufactured using recycled materials, thereby reducing the demand for new raw materials and the energy required for extraction and processing. Additionally, its high strength and durability enable the production of lighter structures and components, leading to lower transportation and fuel consumption. Lastly, special steel can be recycled at the end of its life, further reducing waste and the environmental impact associated with its disposal.
- Q:How long does special steel last compared to regular steel?
- Special steel generally lasts longer than regular steel due to its superior properties and enhanced durability.
- Q:What are the different welding techniques used for special steel?
- There are several welding techniques used for special steel, including Tungsten Inert Gas (TIG) welding, Metal Inert Gas (MIG) welding, Shielded Metal Arc Welding (SMAW), and Flux-Cored Arc Welding (FCAW). Each technique has its own advantages and disadvantages, and the choice of technique depends on factors such as the type of special steel, the thickness of the material, and the desired outcome of the welding process. TIG welding is commonly used for high-quality welds on thin materials, while MIG welding is suitable for thicker materials and higher production rates. SMAW is a versatile technique, suitable for various steel types and thicknesses, and FCAW is often used for outdoor applications and on thick materials.
- Q:Can special steel be used in the plumbing industry?
- Yes, special steel can be used in the plumbing industry. Special steel, such as stainless steel or alloy steel, is often preferred for plumbing applications due to its corrosion resistance and high strength properties. It is commonly used for pipes, fittings, valves, and other components in plumbing systems to ensure durability and longevity.
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Spring Steel Round Bars Grade 55cr3
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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