Cutting process of SM490YA steel
Steel plate cutting generally refers to the process of mixing industrial gas and oxygen to reach the cutting temperature, melting, blowing slag and dividing the steel structure. The technologies currently used include flame cutting, water cutting, plasma
Welding Points of Q355GNH steel
Some points for attention can effectively improve the welding quality and weld strength of Q355GNH weathering steel.
Features of Q355GNH weathering steel
Q355GNH weathering steel has good corrosion resistance, heat resistance and oxidation resistance, as well as good toughness and aesthetics.
Continuous Casting Technology of Q355GNH
The continuous casting process is fully protected, and steel plate mold slag for container steel is added to the crystallizer.Q355GNH steel is prone to breakout accidents during the casting process. The reason is that Q355GNH steel contains Cu, and the bi
Application of FH32 steel plate
The material of FH32 steel plate conforms to the international classification society regulations, and has good welding performance and cold forming performance. H32 steel plates are mainly used in the fields of ships and ocean engineering, including the
About cracks generated during quenching of 42CrMo4 steel
After the quenching and tempering treatment of 42CrMo4 steel, the inspectors found several small crack defects when visually inspecting the surface quality of 42CrMo4 steel. Within the range of 10 mm ~ 20 mm from the outer circular surface. The cracks are
The difference between 42CrMo and 42CrMo4
In production and manufacturing, we often encounter the material 42CrMo4 mentioned in the drawings of European countries, it looks similar to 42CrMo. Whether these two grades are common, what is the difference, and what are the characteristics of each, le
Thermal processing of 42CrMo4 Steel
Corresponding to the smelting and casting process, the 42CrMo4 steel ingot produced by EAL+LF+VD is mainly used for hot forging, including free forging and die forging.The 42CrMo4 steel billet produced by the converter + continuous casting process is usua
Casting Technology of 42CrMo4 Steel
There are two mainstream methods for 42CrMo4 smelting and casting, one is electric arc furnace smelting, secondary refining and vacuum degassing, and the other is converter steelmaking and continuous casting technology adopted by large steel mills.The dif
Effect of hydrogen on 42CrMo4 steel plate
The solubility of hydrogen in 42CrMo4 steel decreases significantly with the decrease of temperature. When hydrogen exists in the atomic state, it dissolves into the interstices of the iron. When the dissolved hydrogen in the steel exceeds 3 milliliters p
Effect of oxygen and nitrogen on 42CrMo4 steel plate
Gas in steel is a general term for gases such as oxygen, nitrogen, and hydrogen in the medium absorbed by steel during smelting, welding, or chemical and electrochemical reactions on the steel surface. The gas in the steel has adverse effects on the perfo
Heat Treatment Process of 42CrMo4 Steel Plate
42CrMo4 steel plate is a high-strength alloy steel plate, which is widely used in machinery manufacturing, aerospace, automobile manufacturing and other fields. In order to improve the performance of the 42CrMo4 steel plate, heat treatment is required, an
42CrMo4 steel, an improved variety of AISI standard 4140 steel
42CrMo4 steel has high strength, high hardenability, good toughness, small deformation during quenching, high creep strength and durable strength at high temperature. 42CrMo4 steel is an improved variety of American AISI standard 4140 steel. This steel ha
Correlation between microstructure and properties of DIN17100 St37-2 steel plate
The relationship between microstructure and performance of DIN17100 St37-2 steel plate is mainly reflected in the following aspects: Grain size: Fine grains are beneficial to improving the strength and toughness of DIN17100 St37-2 steel plate, because fin
DIN17100 St37-2 steel plate weldability and related welding processes
DIN17100 St37-2 steel plate has good weldability and is suitable for conventional welding processes. Here are some common welding processes associated with them: Manual arc welding: suitable for small batch production, simple to operate, and able to meet