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What material can be replaced by 345D steel plate?
- Higher than its level of material of steel plate can replace.Q345D. yield in more than 345 of the steel.D class -20 degree of shock. Can replace the Q370D.Q390D.Q420D.Q460D.Q550D.Q690D., generally in engineering machinery can be higher generation lows
How many times a day can a steel pile be inserted?
- Steel sheet pile U type and Z type and AS type, the Z type and AS type steel sheet pile production, processing and installation is more complex, and the price is U higher than about 1/3, mainly used in Europe and the United States, Japan and South Korea and other Asian countries, mainly the use of U type steel sheet pile.s
What material can be used for A36 steel plate?
- Q345 is a kind of steel material. It is low alloy steel, widely used in bridges, vehicles, ships, buildings, pressure vessels, special equipment and so on.s
What is the difference between hard steel plate and soft steel plate?
- Pre hardened steel: 1. pre hardened steel prehardened is to supply, without heat treatment, but sometimes need to be modified by forging, die forging must be carried out after heat treatment.The pre heat treatment, 2. commonly used pre hardened steel ball annealing is designed to eliminate the forging stress, spheroidal pearlite, uniform hardness, improve the plasticity and improve the performance of extrusion die cutting performance or cold.3. pre hardened steel pre hardening process is simple, most of the quenching and tempering after quenching and tempering, tempering sorbite. High temperature tempering temperature range is wide, can meet the mold hardness requirements of various work. Because of this kind of steel hardenability is good, can be used when quenching oil cooling and air cooling or nitrate quenching.s
What material is steel plate against drilling?
- There is also an ordinary steel sheet drilling method: steel plate carburizing, quenching treatment, to achieve high hardness.s
What kind of steel plate is Q234?
- This brand is one of the most commonly used low carbon structural steel grades. The utility model has the advantages of good plasticity, definite strength and good weldability. Used in the manufacture of parts that are less stressed, such as screws, nuts, gaskets, etc., welding parts, stamping parts, construction and other steel parts.s
What's the effect of water stopping between steel plate and water stop strip? What's the difference between the process and the sealing process?
- Water stopping principle: the water stop bar is expanded by water absorption and then squeezed with concrete to stop the void.Construction technology: the stop bar is square long strip, and parallel lap method is adopted when connecting. No break point can be left in the middle. Construction units in order to facilitate, often like to use the water bar, concrete pouring in the completion of the pressure on the wall concrete pouring surface, or reserved groove, two times mosaic.Good and bad analysis: simple construction, less investment, relatively economic. But there is no water stopping effect and the water stopping steel plate is good. There are many unforeseen problems during the construction process. One is that the reinforcing bars are not close enough to be laid. Two is the time is too long, moisture absorption expansion, the impact of the effect, especially in the rainy season, air humidity, rainfall, water retention is worse. Three construction joints are not smooth, poor contact. Usually, this method is not ideal for stopping water. For example, when the water stop bar is installed, the retaining of the groove is too large to be fixed effectively; the small inlay is not in place; when the concrete is poured, the utility model is easy to shift under the action of the concrete buoyancy.s
What is steel concrete?
- Steel plate concrete is generally called SRC, that is, the steel part is changed into steel plate, basically the concrete is poured on the steel plate. Specific reference, construction manual fourth edition.s
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