Application scope and market status of Q690D high-strength plate hot forming production line
The warm forming process of sheet metal will be more and more widely used in the automotive field, and the research on its related equipment and core technologies will also become a new research hotspot in the stamping industry.
Performance advantages of Q690D steel
Q690D belongs to low-alloy high-strength structural steel, and Q690D can also be called low-temperature-resistant high-strength steel with a yield strength of 690Mpa, Q690D steel is Widely used in coal mining machinery, engineering machinery, such as hydr
Key points of welding process for Q690
According to the properties of Q690 steel, the author summarizes the following key points of the welding process
Derusting method of S690QL steel plate
Pickling: The process of using acid solution to remove scale and rust on the surface for S690QL steel plate is called pickling. It is a method of cleaning the metal surface ,which is usually carried out together with pre-passivating treatment.
Features of S690QL steel plate
S690QL steel plate is a high-strength low-alloy steel, commonly used in the manufacture of heavy machinery and equipment, S690QL steel plate is also widely used in ships, bridges, construction, oil and gas transmission and other industries. The unique mat
Welding performance analysis of S690QL steel plate
The carbon content of S690QL steel plate does not exceed 0.2%. Due to the strengthening effect of alloy elements, the hardenability of weld seam and welding heat-affected zone is improved, and the post-weld structure is martensite.
S420MC VS QSTE420TM
The grades of S420MC and QSTE420TM are similar, even in some steel plants, they can be used in common. Both S420MC and QSTE420TM require good cold forming performance and high strength, and are suitable for automobile structural parts such as automobile g
Cold rolling process of QSTE420TM steel
The cold rolling of QSTE420TM steel usually adopts longitudinal rolling, and the production process of cold rolling generally includes raw material preparation, pickling, rolling, degreasing, annealing (heat treatment), finishing, etc.
Excellent properties of QStE380TM steel
QStE380TM is a low alloy steel with a series of excellent physical and chemical properties, widely used in the manufacture of automobiles, construction machinery, heavy trucks and other structural parts.
201 Stainless steel and 202 Stainless steel
202 Stainless steel and 201 Stainless steel are two models with different materials. In fact, the biggest difference in composition lies in the difference in corrosion resistance. 200 series stainless steel belongs to low-nickel and high-manganese stainle
The use of A709Gr50 steel plate
A709Gr50 steel plate is generally used in construction and various engineering machinery, such as drilling rigs, electric shovels, electric wheel dump trucks, mining vehicles, excavators, loaders, bulldozers, various cranes, coal mine hydraulic supports f
A633--low alloy structural steel
A633 high-strength low-alloy structural steel is an American standard steel plate, which is a normalized high-strength steel, A633 steel plate is very suitable for welding, riveting or bolting. There are four grades: A, C, D and E. Namely: A633GrA, A633Gr
Weldability of SA387Gr11CL2 steel
The chemical composition, grain size and non-metallic inclusions of SA387Gr11CL2 steel should be strictly controlled when ordering materials and welding consumables to ensure that SA387Gr11CL2 steel and welded joints meet technical requirements and have g
Technical advantages of SA387Gr11CL2 steel (2)
Technical advantages of SA387Gr11CL2 clean steel: first-class steelmaking equipment, exquisite out-of-furnace refining technology, supplemented by VD furnace vacuum treatment, calcium treatment and other processes, to minimize inclusions and gas content i
Technical advantages of SA387Gr11CL2 steel (1)
Technical advantages of SA387Gr11CL2 thick plate TMCP process: The researched and developed thick plate TMCP process adopts micro-alloying technology, which not only ensures the strength and toughness of SA387Gr11CL2 steel plate, but also further improves