What is a cylinder tube? Complete specifications of stainless steel cylinder tubes

What is a cylinder tube?


Cylinder tube is a high-precision steel pipe material processed by cold drawing or hot rolling. Because there is no oxide layer on the inner and outer walls of precision steel pipes, it can withstand high pressure without leakage, has high precision, high smoothness, no deformation in cold bending, no cracks in flaring and flattening, etc., it is mainly used to produce products with pneumatic or hydraulic components, such as cylinders or The oil cylinder can be a seamless pipe. The chemical composition of the cylinder tube is carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, and chromium Cr.












Cylinder tube processing technology


The cylinder tube is rolled. Since the surface layer retains surface residual compressive stress, it helps to seal micro cracks on the surface and hinders the expansion of corrosion. This improves the corrosion resistance of the surface and delays the occurrence or expansion of fatigue cracks, thus improving the fatigue strength of the cylinder tube. Through roll forming, a cold work hardened layer is formed on the rolling surface, which reduces the elastic and plastic deformation of the contact surface of the grinding pair, thereby improving the wear resistance of the inner wall of the cylinder tube and avoiding burns caused by grinding. After rolling, the surface roughness value is reduced, which can improve the matching properties.



Rolling processing is a kind of chip-free processing that uses the plastic deformation of metal at room temperature to smooth out the microscopic unevenness on the surface of the workpiece to achieve the purpose of changing the surface structure, mechanical properties, shape and size. Therefore, this method can achieve both finishing and strengthening purposes at the same time, which cannot be achieved by grinding. No matter what processing method is used, fine uneven knife marks will always be left on the surface of the part, resulting in staggered peaks and valleys.



Principle of rolling processing: It is a kind of pressure finishing processing. It uses the cold plasticity characteristics of metal at normal temperature and uses rolling tools to exert a certain pressure on the surface of the workpiece, causing the metal on the surface of the workpiece to flow plastically and fill in the original residue. In the low concave trough, the surface roughness value of the workpiece is reduced. Due to the plastic deformation of the rolled surface metal, the surface structure is cold hardened and the grains become finer, forming a dense fiber shape and a residual stress layer. The hardness and strength are increased, thereby improving the wear resistance and corrosion resistance of the workpiece surface. sex and cooperation. Rolling is a non-cutting plastic processing method.





Complete specifications of stainless steel cylinder tubes


The use of stainless steel to make cylinder tubes has the characteristics of lightweight product design and long service life.
Because stainless steel has high strength and corrosion resistance, compared with aluminum, iron and other materials, due to its high strength and non-magnetic properties, it can be designed to be lighter and thinner than aluminum and iron materials, which can reduce the size and weight of the product. It is often used in mini cylinders. .Is the first choice for lightweight automation equipment.





Specifications (inner diameter*outer diameter) Specifications (inner diameter*outer diameter)
8*10 50*53
10*12 63*66
12*14 80*86
16*17.5 100*106
16*18 125*133
20*21.5 150*159
20*22 &n