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- A588 Gr B corten steel is suitable for withstanding harsh environmental conditions due to its unique composition and properties.The steel is primarily composed
- 1. S355JR steel plate is flame-heated and surface quenched.
This heat treatment process uses a combustible gas flame to heat the surface of the S355JR steel pla - S355JR is a low-alloy high-strength steel commonly used in construction, bridges and machinery manufacturing. Its chemical composition mainly includes elements
- S355JR steel plate has excellent mechanical properties and belongs to high-strength low-alloy structural steel. In the quenched state, the tensile strength, yie
- Q195 steel belongs to carbon structural steel. It has excellent plasticity, toughness and welding performance. The disadvantage is that its strength is relative
- The technological process of Q195 carbon steel smelting usually includes the following steps:
1. Raw material preparation: Screen and pretreat high-quality raw - Galvanized Q195 is hot-dip galvanized on the surface of Q195 steel, because Q195 is a steel grade named after yield strength, yield strength ≤ 195Mpa, Q195 s
- 20Cr steel is a high-carbon chromium bearing steel, commonly used in the manufacture of mechanical parts and automotive engine parts, etc. To weld 20Cr steel, t
- The weldability of 20Cr alloy steel is poor, and it is not easy to solder at room temperature. Stress annealing should be done immediately after welding of 20Cr
- The level of operators is an important factor affecting the quality of 20Cr steel. At the same time, there are many reasons such as equipment, materials and pro
- Common welding defects of Q345R steel include appearance defects and internal defects. Appearance defects include undercut, depression, surface pores, cold crac
- The methods to reduce welding deformation during welding of Q345R steel mainly include:
1. Reasonable assembly sequence and welding sequence. To correctly selec - In the metal structure, Q345R steel is very easy to produce welding stress and various deformations. Welding stress and deformation directly lead to welding cra
- 13CrMo44 steel generally has the following characteristics during welding:
1. Hardenability
The hardenability of steel depends on its carbon content and alloy c - At present, the application of low-alloy heat-resistant steels in the petrochemical industry is becoming more and more common, especially Cr-Mo type heat-resist
- 13CrMo44 steel plate belongs to chrome-molybdenum alloy boiler and pressure vessel steel plate, and the implementation standard of 13CrMo44 steel plate is the s
- SA516 steel plate, which is part of the ASTM A516 specification for carbon steel plates used in pressure vessel applications, typically undergoes a heat treatme
- ASTM A516 is a specification that covers carbon steel plates used for pressure vessel applications. It includes several different grades, each designed to meet
- Both 16MnDR and Q345R belong to the national standard container plate. Generally speaking, 16MnDR and Q345R are named according to the purpose of the steel plat
- Q345R steel is a low-alloy high-strength structural steel. It is currently the most widely used and used steel for pressure vessels in my country. It has good c
- 1. High carbon
The carbon content of Q345R steel is very high, generally 0.95-1.15, which belongs to hypereutectoid steel. A part exists in the martensite matri - The main factors affecting the toughness of the weld for AH36 Steel are: the chemical composition of the base metal, the plate thickness, the welding method of
- The key performance index of AH36 steel plate is the low temperature impact toughness of AH36 steel plate, which requires the impact energy at -20°C to be g
- The essence of the controlled rolling and controlled cooling process of AH36 Steel is to combine deformation and heat treatment. Its main purpose is to refine t
- After the quenching and tempering treatment of 50CrMo4 steel, the inspectors found several small crack defects when visually inspecting the surface quality of 5