Summary: and R and R can be equal or different.B. tool steel: (a) carbon tool steel; (b) Alloy tool steel; (c) High speed tool s[Read the full text]
Summary: Reinforcing phases such as reinforcing particles, short fibers and whiskers can be added to the solder to form composite[Read the full text]
Summary: Square tube is made of different materials. It needs qualified inspection by relevant staff before leaving the factory. [Read the full text]
Summary: Square tube production most square tube processing is square tube pressure processing, resulting in plastic deformation [Read the full text]
Summary: the quality of square tubes will directly affect the development of the construction industry. What if we can make the [Read the full text]
Summary: pig iron, ferroalloy, cast iron, etc. Steel and pig iron are alloys based on iron square tube and carbon as the main ad[Read the full text]
Summary: Principle of cold drawing strengthening: the lattice defects of steel increase during plastic deformation, and the serio[Read the full text]
Summary: Carbon steel classified by chemical composition: square tube A. low carbon steel (C & le; .%); b. Medium carbon steel (C[Read the full text]
Summary: The advantage of empty bending is that it can bend the side length when the real bending cannot be carried out, such as [Read the full text]
Summary: Improve the positioning and pre bending steps, if necessary, to ensure that the web hunting problem does not occur when [Read the full text]
Summary: greaseCleaning solvent and emulsion can clean the surface of square tube to remove oil, dust, agent and similar organic[Read the full text]
Summary: The local heat release in the welding process of square tube can reduce the heat affected zone, avoid the micro of therm[Read the full text]
Summary: Classification of square pipe material square pipe is divided into ordinary carbon steel square pipe and low alloy squar[Read the full text]
Summary: due to the pressure generated by the upper roll and the lower roll at the same time, the forming force is easy to excee[Read the full text]
Summary: Square pipe welding is suitable for surface treatment of materials. Square pipe welding can be used for ceramic ceramic,[Read the full text]
Summary: Hardness QB square hardness is a pointer to measure the hardness and softness of metal materials. At present, the hardne[Read the full text]
Summary: C. special performance steel: (a) stainless and acid resistant steel; (b) Heat resistant steel; (c) Electric heating all[Read the full text]
Summary: The load of impact toughness acting on the parts at a great speed is called impact load. It is specialized in products a[Read the full text]
Summary: Square tube is made of different materials. It needs qualified inspection by relevant staff before leaving the factory. [Read the full text]
Summary: For structure: as pile driving pipe and bridge; pipe for wharf, road and building structure, sampling quantity etc.The i[Read the full text]
