Steel sleeve for rolling mill

Steel sleeve for rolling mill

 

 

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A steel sleeve typically refers to a cylindrical metal component that is used for various purposes, often to provide reinforcement, protection, or support in different applications. The term "steel sleeve" is relatively broad and can encompass different types of sleeves made from steel or steel alloys, depending on the specific context.

 

1. Carbon steel
Carbon steel is one of the commonly used steel casing materials. It is widely used because of its good mechanical properties and good processability. Carbon steel has high strength, high hardness, is not easy to deform and wear, and has a relatively low price. However, carbon steel is susceptible to corrosion, has a short service life, and requires regular maintenance.

2. Alloy steel
Alloy steel is made by adding alloy elements to carbon steel and has good corrosion resistance and heat resistance. Alloy steel has higher strength and toughness than carbon steel and has good wear resistance. However, alloy steel is expensive and difficult to process.

3. Stainless steel
Stainless steel casing is mainly used in places where material surface accuracy is required. Because stainless steel has good corrosion resistance and high-temperature oxidation resistance, it is widely used in chemical, medical, food and other fields. Stainless steel casing is expensive and the processing difficulty is correspondingly greater.

4. Other materials
In addition to the above three common materials, there are also some special steel casings, such as cast iron, copper, aluminum, titanium, etc. These steel casings have their unique application advantages in specific scenarios, but the price is relatively high and the scope of use is relatively limited.

 

Elements Materials	C	Si	Mn	Cr	Ni	Mo	v	S,P	Introduction
ZG310-570	0.50	0.6	0.90					≤0.040	Low plasticity and toughness, low-temperature resistance, low cost.
35CrMo	0.32-0.40	0.17-0.37	0.40-0.70	0.80-1.10		0.15-0.25		≤0.035	High strength, toughness, and hardness, high-temperature resistance, low cost
35CrMov	0.30-0.38	0.17-0.37	0.40-0.70	1.00-1.30		0.20-0.30	0.10-0.20	≤0.035	Better than 35CrMo performance, low cost
35NiCrMo	0.30-0.37	0.6-0.9	0.40-0.90	0.40-0.90	0.60-0.90	0.40-0.50		≤0.035	High strength and toughness, high-temperature resistance, high cost
KCP-12	0.20-0.30	≤0.60	0.90-1.10	0.40-0.90	1.00-1.50	0.30-0.50		≤0.040	High strength and toughness, high-temperature resistance, high cost

 

 

 

1. Annealing

Annealing is to heat the steel core to the appropriate temperature and then slowly cool the steel core to achieve or close to the equilibrium state.

 

2. Normalizing

Normalizing is making the steel core cool after it reaches a suitable temperature, the effect of normalizing is similar to annealing, commonly used to improve the cutting performance of the material, also sometimes used for low requirements for some parts as the final heat treatment.

 

3. Quenching

Quenching is the rapid cooling process in the quenching medium of water, oil, or other organic salts and organic water, after the heating of the workpiece. The steel is hardened after quenching, but it is brittle at the same time.

 

4.Tempering

Tempering is in order to reduce the brittleness of the steel core. Place the steel core which is after quenching in higher than the room temperature and under 650 ℃ for a long time of heat preservation, cooling again, this process is called tempering.

 

 

Centrifugal casting is a casting process that involves pouring molten metal into a rotating mold, allowing the centrifugal force to distribute the molten metal evenly along the mold's inner surface. Centrifugal casting steel sleeves are cylindrical metal components produced using this method. Here are the key features and advantages of centrifugal casting steel sleeves:

 

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Homogeneous structure: Centrifugal casting ensures a uniform distribution of the molten metal, resulting in a homogeneous microstructure. This provides enhanced mechanical properties and structural integrity to the steel sleeve.

 

High density: The centrifugal force helps to eliminate gas voids and impurities, leading to a high-density casting with excellent metallurgical properties.

 

Precise dimensions: Centrifugal casting allows for precise control over the dimensions of the steel sleeve, leading to accurate and consistent results.

 

Wall thickness control: The centrifugal force helps control the wall thickness of the sleeve, ensuring even thickness distribution along the length of the component.

 

Smooth inner surface: The inner surface of the steel sleeve produced through centrifugal casting tends to be smooth and free from defects, making it ideal for applications where a high-quality finish is required.

 

Superior mechanical properties: The homogeneous microstructure and absence of porosity in centrifugal casting result in steel sleeves with superior mechanical properties, including high strength, hardness, and wear resistance.

 

Cost-effective production: Centrifugal casting is a cost-effective method for producing steel sleeves as it reduces the need for extensive machining and post-processing.

 

Versatility: Centrifugal casting steel sleeves can be produced in various sizes and shapes, making them suitable for a wide range of applications.

 

Heat resistance: Steel sleeves produced through centrifugal casting are capable of withstanding high-temperature environments, making them suitable for use in heat-intensive applications.

 

Reduced segregation: Centrifugal casting minimizes the risk of segregation in the cast material, resulting in a more uniform chemical composition throughout the steel sleeve.

 

 

 Construction Engineering Field
1. Bridge Construction
Steel casing is one of the commonly used materials in bridge construction. As the main supporting structure of bridge piers, steel casing has the advantages of strong load-bearing capacity, strong corrosion resistance and long service life.
2. Tunnel Engineering
In tunnel construction, steel casing is used to reinforce the foundation and protect the tunnel wall. The high strength, long service life and easy installation of steel casing make it an indispensable pipe in tunnel construction.

 Transportation Field
1. Subway Engineering
In subway engineering, steel casing is used as a protective measure for tunnel walls. Steel casing can enhance the stability of tunnels and reduce the risk of tunnel collapse.
2. Highway Construction
In highway construction, steel casing is used as bridge abutments, guardrails and road drainage equipment. Its advantages are good compressive resistance and long service life.
3. Water Conservancy Engineering Field

Sluice Construction
Steel casing is widely used in water conservancy projects, such as supporting structures for bridges and pipelines in sluice construction. The corrosion resistance and strength characteristics of steel casing can ensure the stability and safety of sluices.
2. Water conservancy equipment
In water conservancy equipment, steel casing is used as water pump wells, water well equipment, etc., with functions such as diversion, fixation, and isolation.

In summary, steel casing is a pipe with a wide range of uses and advantages, and is widely used in construction engineering, transportation, water conservancy engineering and other fields.

 

 

Do you have any specific questions about the steel sleeve ? Contact Yogie! You had better provide your demand with the draws ,Our sales engineers will work with you from start to finish to ensure that your project is completed to your requirements.

 

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