Strip Steel Thin Size

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Corresponding Steel Grade for Reference:

CHN, GB	JPN, JIS	GER, DIN
50CrVA	SUP10	50CrV4
GBR, BS	FRA,FN
735A51	50CV4

Chemical Composition:

C	Si	Mn
0.46~0.54	0.17~0.37	0.50~0.80
S	P	Cr
≤0.030	≤0.030	0.80~1.10
Ni	Cu	V
≤0.35	≤0.25	0.10~0.20

Mechanical Properties:

-Tensile Strength σb (MPa): ≥1274 (130)

-Yield Strength σs (MPa): ≥1127 (115)

-Elongation δ5 (%):≥10

-Percentage reduction of area: ψ (%): ≥40

-Hardness:

1, Hot rolled, ≤321HB

2, Cold drawn + Heat treatment: ≤321HB

-Norm of heat treatment:

1, Quenching: 850℃±20℃.

2, Cooled by oil.

3, Tempering: 500℃±50℃.

Usage/Applications

Mechanical Properties are good. 50CrVA have high hardenability. The element V reduces thermal sensitivity and improves the strength and toughness. The fatigue strength and yield point are high but the weld ability is bad.

-50CrVA is a nice material of spring. Usually it’s used as valve spring, piston spring and secure valve spring with big section that can bear much load. The working temperature is below 300℃

Packaging & Delivery

-Packing Detail: The products will be well packed.

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

Q:How are steel strips sheared or guillotined?: Steel strips are sheared or guillotined by using a cutting tool, typically a sharp blade or a guillotine machine. The steel strip is placed between the blade and a supporting surface, and then a downward force is applied to cut through the strip, resulting in a clean and precise cut.

Q:What are the different methods of forming steel strips?: Steel strips can be formed using various methods, each with its own advantages and applications. Below, we present some of the most common techniques: 1. Hot Rolling: The most widely used method for forming steel strips is hot rolling. It involves heating the steel above its recrystallization temperature and passing it through a series of rollers to reduce its thickness. This process is renowned for its ability to produce consistent strips with superior surface finish. 2. Cold Rolling: Cold rolling, on the other hand, is performed at room temperature. By passing the steel through rollers, thinner and more precise strips can be produced. This method enhances the mechanical properties and surface finish of the steel, making it ideal for applications that require precision and durability. 3. Slitting: Slitting is employed to cut wide steel coils into narrower strips. It entails guiding the coil through a set of circular knives, which divide the steel into the desired widths. Industries that require different strip widths, such as automotive, construction, and packaging, commonly utilize this method. 4. Shearing: Another technique for cutting steel strips is shearing. It involves using a sharp blade to cut the steel along a straight line. Shearing is typically used for thicker strips, offering a quick and efficient means of obtaining precise dimensions. 5. Laser Cutting: A modern method, laser cutting employs a high-powered laser beam to cut steel strips. This technique guarantees high precision and enables the cutting of intricate shapes and patterns. Industries that demand intricate designs and tight tolerances, such as automotive and aerospace sectors, frequently employ laser cutting. 6. Water Jet Cutting: Water jet cutting is a versatile method that employs a high-pressure jet of water mixed with abrasive material to cut steel. It is suitable for cutting various thicknesses of steel strips and can handle different types of steel. Known for its accuracy, flexibility, and ability to cut without causing heat-affected zones, water jet cutting is a popular choice. These are just a few of the numerous methods utilized in the formation of steel strips. The chosen method depends on factors such as desired strip thickness, surface finish, accuracy, and the specific requirements of the intended application.

Q:How are steel strips used in the production of musical instruments?: Steel strips are commonly used in the production of musical instruments to create strings, particularly for instruments like guitars, pianos, and violins. These steel strips are carefully crafted and shaped to specific dimensions, allowing them to produce the desired pitch and sound quality when plucked or struck.

Q:What is the typical coefficient of thermal expansion of steel strips?: The typical coefficient of thermal expansion of steel strips is around 10-12 x 10^-6 per degree Celsius.

Q:Can steel strips be used in the manufacturing of bicycles?: Indeed, the utilization of steel strips is viable in the production process of bicycles. The prevalence of steel as a material in bicycle manufacturing arises from its robustness, longevity, and adaptability. Steel strips serve diverse purposes in the construction of bicycle components, including frames, forks, handlebars, and racks. Steel offers exceptional firmness and dependability, rendering it suitable for a wide range of riding circumstances and terrains. Furthermore, steel presents a relatively economical alternative when compared to materials like carbon fiber or aluminum, thus contributing to its widespread preference in the bicycle industry.

Q:Can steel strips be used in marine or offshore applications?: Marine or offshore applications can benefit from the utilization of steel strips. Steel, being a versatile and durable material, can endure harsh environmental conditions, including exposure to saltwater and high levels of humidity. Various marine and offshore projects, such as shipbuilding, offshore platforms, pipelines, and underwater structures, can make use of steel strips. To ensure resistance to corrosion, steel strips employed in marine or offshore applications are typically crafted from corrosion-resistant alloys or coated with protective coatings. These coatings, which may consist of galvanization, epoxy coatings, or specialized marine-grade paint systems, serve to prevent rust and corrosion. By employing these protective measures, the longevity of steel strips in marine environments is extended as they can withstand the corrosive effects of saltwater. The high strength-to-weight ratio possessed by steel strips makes them a popular choice in marine and offshore applications. This characteristic is essential in constructing structures that are lightweight yet robust. Furthermore, steel is easily workable and can be fabricated into various shapes and sizes, rendering it suitable for a wide range of marine and offshore projects. In conclusion, steel strips are an economical and dependable option for marine and offshore applications. They provide durability, resistance to corrosion, and structural integrity in demanding environments.

Q:Hot rolled strip and hot rolled strip are also sealing plates? What's their function?: First of all, there are some hot rolled strip, the main role is to prevent roll cooling water flow to the workpiece, affecting the crown of the strip and shape control.

Q:Are steel strips used in the aerospace industry?: Yes, steel strips are used in the aerospace industry. They are commonly used in various applications such as structural components, fasteners, and support systems due to their strength, durability, and resistance to high temperatures.

Q:How are steel strips sawed or cut with a bandsaw?: Steel strips can achieve sawing or cutting with a bandsaw by following a few straightforward steps. Initially, the steel strip must be securely clamped to a workbench or suitable cutting surface. Then, the appropriate blade for cutting steel is installed on the bandsaw machine. The blade tension and speed are then adjusted based on the thickness and type of steel being cut. Subsequently, the operator carefully guides the steel strip along the marked cutting line, ensuring a constant and controlled feed rate. The bandsaw blade, which features a continuous loop of teeth, moves either vertically or horizontally to cut through the steel strip. As the blade's teeth remove material, they create a chip or kerf, resulting in a precise and clean cut. It is crucial to maintain a steady feed rate and avoid forcefully pushing the steel strip through the blade, as this can cause the blade to bind or break. Additionally, the use of cutting fluid or lubricant can minimize friction and heat generated during the cutting process, enhancing the blade's lifespan and improving the overall quality of the cut. Once the cut is finished, the steel strip is cautiously removed from the bandsaw, taking care to avoid any sharp edges. Any remaining burrs or rough edges can be eliminated through grinding or deburring to achieve the desired finish. In conclusion, utilizing a bandsaw to saw or cut steel strips offers a versatile and efficient approach to achieve precise and clean cuts in various thicknesses and types of steel.

Q:How do steel strips respond to different magnetic fields?: The response of steel strips to magnetic fields depends on their composition, shape, and orientation. Steel, being a ferromagnetic material, can be magnetized and possesses strong magnetic properties. However, the behavior of steel strips towards magnetic fields can vary. When a magnetic field is applied to a steel strip, it can be magnetized and demonstrate its own magnetic properties. Depending on the orientation of the field, the strip can either attract or repel other magnetic objects. This behavior is a result of the alignment of the steel's microscopic magnetic domains, which align with an external magnetic field and produce a more intense magnetic effect. The strength of the magnetic field applied to the steel strip also influences its response. A stronger magnetic field causes a more significant magnetization of the strip, whereas a weaker field may have a lesser impact. Moreover, the shape and dimensions of the steel strip can affect its reaction to magnetic fields. Thinner strips are more easily magnetized, while thicker strips require stronger fields to exhibit noticeable magnetic properties. The composition of the steel strip is another crucial factor. Different steel alloys possess varying magnetic properties. For instance, stainless steel has relatively low magnetic permeability and is less responsive to magnetic fields compared to other steel alloys. Conversely, low-carbon steels are highly magnetic and can be easily magnetized. To summarize, the response of steel strips to magnetic fields is influenced by their composition, shape, and orientation. The magnetic properties of the steel and the strength of the applied magnetic field determine the level of magnetization and the strip's interaction with other magnetic objects.

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