Are C40 and 40Cr the same material?
C40 is a type of carbon structural steel with medium mechanical properties and is often used to manufacture mechanical parts and machine tool parts. 40Cr is an alloy structural steel containing chromium, which has high hardness and strength and is often u
C40 steel: an excellent medium carbon steel
C40 steel is a medium carbon steel, which means its carbon content is between 0.37% and 0.44%. It is a high-strength, high-hardness steel. Due to its good plasticity and toughness, C40 steel is widely used in machinery manufacturing, construction, aviatio
Heat Treatment Process of Q690 Steel
In order to obtain good mechanical properties, many high-strength steels use a combination of multiple heat treatment methods. For Q690 steel, the suitable heat treatment methods include normalizing, quenching and tempering (including medium temperature t
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