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How to pass through steel at water stop steel plate?
- 1, in the horizontal plate in the water stop steel plate, the steel bar can wear through, is not affected by it.2, in the vertical wall of the sealing plate, reinforced wall is to pass through, is to cut some of the stirrup, and then cut the stirrups welded to the sealing plate up, also can.s
Q235 is hot rolled steel or cold rolled steel?
- Hot rolling and cold drawing is the difference of the production process of hot rolling is processed at high temperature, does not change the structure and properties of metal at high temperature, cold drawn round will be perforated, then in tube processing machine in the cold drawing, no tempering condition, this process will affect the crystal structure of metals. In general, better than the mechanical properties of cold rolled steel, after heat treatment, the tensile and yield strength, plasticity and toughness will be improved, in addition, heat treatment can eliminate the residual stress, and the cold may be because in the process of the steel yield the non-uniform deformation. The residual stress produced, the residual stress has great influence on the stability of.s
What is the difference between cold rolling and hot rolling?
- Hot rolling and cold rolling are forming processes of profiled steel or sheet steel. They have a great influence on the microstructure and properties of steels. Steel is rolled mainly by hot rolling, and cold rolled only for the manufacture of small sections of steel and thin plates. I. advantages of hot rolling: it can destroy the casting structure of steel ingot, refine the grain of steel, and eliminate the defects of microstructure, so that the steel structure is compact and the mechanical properties are improved. This improvement is mainly in the direction of rolling, so that the steel is no longer isotropic to a certain extent;s
What does "steel plate 10t" mean in the specification column of engineering material?
- The width of the sheet is 500~1500 mm; the thickness is 600~3000 mm. According to the type of steel sheet, ordinary steel, stainless steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron sheet; according to professional use, with drums board, enamel board, bulletproof plate; surface coating and plating, plating with zinc thin plate, tin plate, plating lead sheet, plastic composite plate.s
What can be painted on galvanized steel sheet?
- Paint matching1. The paint preparation system used for galvanized steel in soaking or humid environment must be alkali resistant and can not be saponified. Therefore, it is advisable to choose epoxy type coating. Best with epoxy zinc yellow primer.2, for exposure in the dry environment of galvanized steel, zinc yellow epoxy primer can be used with acrylic polyurethane topcoat, or intermediate epoxy zinc chromate primer + epoxy micaceous iron oxide + fluorocarbon topcoat with ultra weatherability, long service life of the supporting scheme.In short, surface treatment is very important, considering the durability of galvanized parts, it is recommended to use the above two kinds of matching paint to ensure the normal service life and reduce the cost of intermediate maintenance.s
How much is a steel sheet per square meter?
- Steel plates are priced by weight. They are different from one square meter in thickness and weight. The price is different.s
Why should the back of the steel sheet pile cofferdam be pumped after the construction of the pile cap?
- The appearance of surface defects of steel sheet pile, length, width, thickness, end rectangle ratio, flatness and lock shape content of inspection, do not meet the requirements of steel sheet pile is corrected, in order to reduce the difficulties in piling process.s
How to introduce carbon steel plate?
- Grade: the cases of Q235-A F, said the sigma s Note: Q is more than 235MPa grade yield strength of A grade (ABCD four), F boiling steel characteristics: low price, process performance (such as welding and excellent cold formability). Applications: general engineering structures and general mechanical parts. Such as Q235 can make bolts, nuts, pins, hooks and less important mechanical parts, as well as the construction of the thread steel, steel, steel and so ons
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