Mar 27, 2021
Hot-rolled round steel is a technical term for metallurgy, a kind of round steel, and belongs to steel for construction . Rolled round steel specifications 5.5-250 mm, wherein 5.5-
Mar 25, 2021
It is a steel material that is open at both ends and has a hollow concentric circle section, and its length is larger than that of the periphery. The specifications of steel pipes
Mar 23, 2021
Round steel bars have high cold deformation plasticity and are generally used in processes such as bending, extrusion, side bending, and arching. It has good welding performance in
Mar 21, 2021
Hydraulic cylinder is an important executive element in the hydraulic system of construction machinery, used to perform reciprocating motion and drive construction machinery to com
Mar 19, 2021
In the hydraulic system, a hydraulic cylinder is used to drive a mechanism with a certain quality. When the hydraulic cylinder moves to the end of the stroke, it has a large kineti
Mar 17, 2021
The double- piston rod hydraulic cylinder is mainly composed of sealing ring, guide sleeve, piston, cylinder tube , cylinder head, gland, piston rod and other parts. Usually live c
Mar 15, 2021
When the two chambers of a single- piston rod hydraulic cylinder are connected with pressure oil at the same time, the connection method is called a differential connection hydraul
Mar 13, 2021
The single- piston rod hydraulic cylinder is mainly composed of piston rod, cylinder head, cylinder tube , piston and cylinder bottom end cover. The cylinder body is welded into a
Mar 11, 2021
Hard chromium plating (abrasion-resistant chromium) The plating layer has extremely high hardness and wear resistance, which can extend the service life of workpieces, such as cutt
Mar 09, 2021
Chromium is a kind of silvery white metal with a blue tint. Metal chromium is easily passivated in the air, and a very thin passivation film is formed on the surface , thus showing
Mar 07, 2021
Chromium plated steel , surface hardness , rust acid , reflection is strong. Bar steel is an elongated steel product with a uniform cross section and often round. Steel bar rolled,
Mar 05, 2021
The chrome-plated layer has a high hardness. Depending on the composition of the plating solution and the process conditions, the hardness of the chrome-plated layer of the cylinde