News
- Jan-17
- 1. Unique performance characteristics: weathering resistant steel plate has outstanding visual expression, and corrosion steel will change over time. The color, lightness and saturation of weather resistant steel plate is higher than that of ordinary buil
- Jan-14
- Low maintenance cost: The weather resistant steel plate has its own oxide layer, and no additional anti-corrosion coating is required, especially for some large-scale projects such as bridges and exhibition halls, the cleaning and maintenance costs are ex
- Jan-13
- Q345 steel plate is a low-alloy steel plate with five grades of A, B, C, D, and E. Q345A does not do low temperature impact test, and Q345B, Q345C, Q345D, Q345E all do impact test, and the temperature is 20˚C, 0˚C , -20˚C, -40˚C. The implementation standa
- Jan-12
- 1. Low maintenance costThe weather resistant steel plate has its own oxide layer and does not require additional anti-corrosion coatings. Especially for some large projects, such as bridges and exhibition halls, the cleaning and maintenance costs are extr
- Jan-11
- 1. Ordinary carbon structural steel: carbon structural steel is divided into 5 grades according to the yield strength of steel: Q195, Q215, Q235, Q255, Q275. Each grade is divided into grades A, B, C, D due to different quality. Q195, Q215, Q235 have good
- Jan-10
- Steel in moist air or water will form reddish-brown rust on its surface, which is commonly known as rust. If chromium is added to the steel to turn it into chromium steel, the steel will not rust. Because, in the periodic table of the elements, the arrang
- Jan-07
- Alloy steel is made by combining carbon steel with one or several alloying elements. Alloying elements include manganese, silicon, nickel, titanium, copper, chromium and aluminum. Adding these metals can produce specific properties that conventional carbo
- Jan-06
- The working environment of the ship is extremely harsh. The hull has to withstand the corrosion of seawater, marine organisms and microorganisms. The hull also has to withstand the impact of large waves and alternating loads. The shape of the ship makes i
- Jan-05
- Galvanized steel pipe is a steel pipe immersed in zinc to prevent corrosion and rust. The zinc isolation layer can effectively prevent the damage of indoor humidity. So, what are the advantages of galvanized steel pipe?Galvanized steel pipe is a steel pip
- Jan-04
- Seamless steel pipes are used in a wide range of fields, such as construction and transportation. The reason why seamless steel pipes can be widely used in this way lies in their own advantages. The seamless steel pipe adopts a series of high-tech manufac
- Dec-31
- Many open spaces and related projects, including gardens and landscape construction, require a large amount of weather resistant steel plates as support. In the case of reconstruction, it is necessary to laser cut the weather resistant steel plates to obt
- Dec-30
- Seamless steel pipes have a hollow section and are used in large quantities as pipelines for conveying fluids, such as pipelines for conveying oil, natural gas, water and certain solid materials. Welded steel pipes for automobiles are one of the most impo
- Dec-29
- 42CrMo steel plate belongs to the national standard high-strength alloy structural steel, the implementation standard: GB/T 3077-2015.42CrMo steel plate has high strength, hardenability, good toughness, small deformation during quenching, and high creep s
- Dec-28
- Galvanized line pipes are specially used for threading and conducting wires, while galvanized steel pipes are used for water, coal, and gas pipelines.Galvanized steel pipe and galvanized line pipe are divided into two materials: hot-dip galvanized and ele
- Dec-27
- 1. Steel plate for pressure vessel: use capital R to indicate at the end of the grade. The grade can be expressed by yield point or carbon content or alloying elements, such as Q345R, Q345. In additional, 20R, 16MnR, 15MnVR, 15MnVNR, 8MnMoNbR, MnNiMoNbR,
- Dec-24
- Galvanized steel plate, that is, a layer of metallic zinc is coated on the surface of the steel plate to prevent the surface from being corroded due to external factors and prolong the service life of the steel plate.According to different production and
- Dec-23
- Performance indicators such as yield strength, tensile strength, elongation, r value, n value can affect the stamping performance of steel. So, when we judge the stamping performance of steel, which indexes should we mainly consider?Yield strength: yield
- Dec-21
- The performance indicators of steel are generally divided into mechanical properties, chemical properties and process properties. Among them, the process performance refers to the performance of the steel's ability to withstand various processing
- Dec-20
- Weather-resistant steel plates have relatively strong weather resistance. There are many main factors that affect the quality of weather-resistant steel plates, such as substrate, poor quality, changes in coating surface tension, improper pretreatment, cu
- Dec-17
- In recent years, the level of bridge construction has been continuously improved, and the service life of bridges has become longer and longer. This is inseparable from the widespread use of weather resistant steel. The bridge needs long-term exposure, so
- Dec-16
- 1. Different colors: stainless steel contains more chromium and nickel metals, and the exterior color is mostly bright silver. Carbon steel is mainly carbon and iron alloy, and other metal elements are relatively small. The main color of the exterior is t
- Dec-15
- 1. The carbon content of steel is low;2.In the quenching and heating stage, the required technical specifications were not met, the heating temperature was too low or the holding time was insufficient, resulting in insufficient austenite carbon and alloyi
- Dec-14
- 1. Annealing stateThe steel is annealed and heat-treated before leaving the factory. This delivery state is called the annealed state. The purpose of annealing is mainly to eliminate and improve the structural defects and internal stress left by the previ
- Dec-14
- 1. Hot rolled stateAfter the steel is hot-rolled or forged, no special heat treatment is required, and it is delivered directly after cooling. It is called hot-rolled or hot-forged state. The termination temperature of hot-rolling (forging) is generally 8
- Dec-13
- 1. Different types42CrMo steel belongs to plastic mold steel in terms of material classification, and 45 steel is a high-quality carbon structural steel.2. The chemical composition ratio is differentThe chemical composition ratio of 42CrMo steel: C: 0.38～
