News
- Feb-21
- Generally speaking, the higher the hardness of the steel plate, the more wear resistant, so the hardness value is often used as one of the important indicators to measure the wear resistance of the steel plate. So, what kind of steel plate is the most wea
- Feb-18
- 1. Yield point (σs)When the steel or sample is stretched, when the stress exceeds the elastic limit, even if the stress does not increase, the steel or sample continues to undergo obvious plastic deformation, which is called yielding, and the mi
- Feb-17
- 16MO3 steel plate is a kind of steel plate for boilers and pressure vessels. The implementation standard is European standard EN1002. 16MO3 steel plate is different from other materials during welding. It must be preheated first, and the weld should be ke
- Feb-16
- S235JR, S235JRG1, S235JRG2 are European standard non-alloy structural steels, corresponding to domestic standards Q235B, Q235A, Q235C respectively. The differences between the three are as follows:The subject is different1. S235JR: European standard non-a
- Feb-15
- Steel is the foundation of the national economy, and almost all industries require steel. As a typical intermediate product, steel is connected to bottleneck industries such as coal, iron ore, and transportation, and to pillar industries such as automobil
- Feb-14
- The first is to perform a visual inspection. Visual inspection of solder joints is a simple procedure, mainly to find out welding surface defects and dimensional deviations. It can be directly observed or detected using tools such as gauges and magnifying
- Feb-11
- 1. Different concepts15CrMo alloy structural steel plate is a grade of heat-resistant steel with pearlitic structure. 15CrMo steel plate has high lasting strength below 500-550°C, good machinability and cold strain plasticity, and fair weldability
- Feb-10
- 15CrMo steel is alloy structural steel with high thermal strength (δb≥440MPa) and oxidation resistance at high temperature, and has a certain resistance to hydrogen corrosive ability. The executive standard of 15CrMo steel is GB/T 3077-20
- Feb-07
- There are many kinds of steel, but they are not identical in performance. Usually, we refer to high-temperature resistant steel as "heat-resistant steel". Heat resistant steel refers to a type of steel that has oxidation resistance, sufficient h
- Jan-27
- The main alloying element in stainless steel is chromium. The content of chromium is usually between 10% and 20%. Stainless steel is popular for its high corrosion resistance. The corrosion resistance of stainless steel is 200 times that of mild steel.Sta
- Jan-26
- Q355NHC is a kind of weather resistant steel. Q represents the yield strength, 355 represents the lower limit of the yield strength of steel, the unit is MPa. NH is the first letter of the Chinese pinyin of the characters "Nai" and "hou&quo
- Jan-25
- High strength low alloy steels offer many advantages over standard carbon steels.The addition of alloying elements increases the strength and hardness of the steel. The atoms of the element help stop the movement of dislocations in the carbon steel micros
- Jan-24
- Q355GNH steel plate is weather resistant steel plate that improves atmospheric corrosion resistance by adding a small amount of alloying elements such as Cu, P, Cr, Ni, etc. to form a protective layer on the surface of the metal substrate. Q355GNH steel p
- Jan-21
- "Construction sector"With the popularity of weather resistant steel plate, It has been widely used in urban architecture, providing designers with a richer creative space.Aging with time, weather resistant steel plates show the unique color and
- Jan-20
- 1. Usually, after purchasing steel, you will choose to store the steel in the warehouse. So choose a place that is clean and well drained. Keep the warehouse well ventilated on sunny days, and moisture-proof work on rainy days.2. When storing steel plates
- Jan-19
- Stainless steel 304: as a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping and bending, no heat treatment hardening phenomenon, non-magnetic. Ap
- Jan-18
- 20Cr steel is China's national standard specification alloy steel. After heat treatment and ultra low temperature quenching, 20Cr steel has excellent comprehensive physical properties and excellent ultra low temperature fracture toughness. During
- 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
