Application and Prospects of 35CrMnSiA Alloy Steel
35CrMnSiA alloy steel is a low-alloy high-strength steel mainly composed of carbon (C), manganese (Mn), silicon (Si) and chromium (Cr) and other elements. The alloy has good weldability, plasticity and forgeability, good low-temperature impact toughness,
Analysis on temper brittleness of 30CrMnSi steel
30CrMnSi steel has good mechanical properties and good weldability because it does not contain the rare element nickel, and is widely used in steel parts for shipbuilding and aerospace. However, 30CrMnSi steel is prone to temper brittleness when tempered
Quenching and Tempering Process of 30CrMnSi Steel
First of all, it is necessary to test the chemical composition of 30CrMnSi steel to ensure that it meets the requirements of relevant standards. At the same time, it is also necessary to check the appearance and size of 30CrMnSi steel and eliminate possib
Effect of Heat Treatment Process on Impact Properties of 30CrMnSi Steel
The heat treatment process of quenching between Ac1 and Ac3 is called sub-temperature quenching. Sub-temperature quenching can improve the impact performance of steel. For working conditions that require high toughness, this is a relatively good quenching
30CrMnSi steel heat treatment process specification
30CrMnSi steel is mostly used to manufacture various important parts with high load and high speed, such as gears, shafts, clutches, sprockets, grinding wheel shafts, bushings, bolts, nuts, etc., and is also used to manufacture wear-resistant, low-tempera
Application fields of 30CrMnSi steel
30CrMnSi steel is a widely used steel grade for the manufacture of important parts, such as blades and valve plates of high-pressure blowers, high-speed and high-load grinding wheel shafts, gears, sprockets, shafts, clutches, bolts, nuts, etc.
Characteristics of A302GrB steel plate
A302MGrB steel plate itself has high strength, high toughness, corrosion resistance, impact resistance and weldability. A302MGrB steel plate is often used in the boiler and petrochemical equipment manufacturing industry, such as petrochemical equipment, p
Brief introduction of A302GrB steel plate
1. A302GrB steel plate is a manganese-molybdenum alloy steel plate for American standard pressure vessels. A302GrB pressure vessels must bear different pressure vessels and strengths because the manufactured containers are generally 314Mpa or higher. The
Rolling points of HP325 Steel
In order to improve the strength and formability of HP325 steel and make the products meet the standard requirements, it is essential to design an accurate process parameter for the rolling system. The rolling system is based on reducing the band structur
Causes of Wrinkles on the Surface of HP325 Steel
Through the analysis of the above reasons, it is known that the uniformity of the cooling rate of HP325 steel plate should be improved during hot rolling, at the same time, on the basis of ensuring performance, the cooling rate is appropriately increased,
Advantages of Controlled Rolling for HP325
Controlled rolling is an important means to improve the strength and toughness of HP325 steel. It is widely used in industrial production because it has 7 advantages.
Welding method of SG255 steel
There are many welding methods for gas cylinders, commonly used are electrode arc welding, submerged arc welding, argon tungsten arc welding, and melt inert-gas welding. This article mainly writes about the latter two welding methods.
Points of Purity For SG255 steel
In the manufacturing process, controlling the inclusions and gas content in SG255 steel is the key to welding steel cylinders, and the purity of SG255 molten steel can be improved by taking the three steps.
Cooling process of SG255
Those two-stage cooling process can effectively inhibit the continued growth of ferrite, and can also promote the pearlite phase transformation process of austenite with high carbon concentration, so as to obtain high-quality SG255 steel.
Prospect and application of SM490YB steel plate
SM490YB belongs to a low-alloy high-strength steel, which has the characteristics of good weldability, good plasticity, strong cold and hot deformation ability. Due to its high strength and tensile strength between 490~610MPa, SM490YB steel can be used in