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Generally divided into martensitic stainless steel, ferritic stainless steel, austenitic stainless steel, duplex stainless steel and precipitation hardening stainless steel, etc., or divided into chromium, stainless steel and nickel stainless steel two categories.s
The flange of the I-beam is variable cross section, the thickness of the web is thin and the outside is thin. The flange of H section steel is equal sectionHW HM HN H is a general term for H steel, H is welded, and HW HM HN is hot rolledHW is a H type steel flange height and width substantially equal; mainly used for reinforced concrete frame column steel column, also known as rigid steel column; column is mainly used in steel structureHM is of H steel, and the width and flange width ratio is approximately 1.33~~1.75, mainly in the steel structure: used as steel frame columns, used as frame beams in frame structures subjected to dynamic loads; for example: equipment platformHN is H steel with a flange width ratio greater than or equal to 2, mainly used for beams; the use of I-beam is equivalent to that of HN;It's safer to use column H if it is used as upright post. I-beam is generally used as steel beam.s
It's more feasible to make reinforced concrete beams. When the bottom formwork, the tie bar, the vertical measuring die, the pouring funnel of the inclined funnel and the concrete are poured, when the concrete strength reaches a certain strength, the funnel concrete is timely removed, the design age is disassembled, the bottom mold is taken, the safety measures are carried out, and the bearing wall is disassembled, and the work is done.To remind you whether or steel reinforced concrete beam, to ask a professional architectural design consulting and design personnel to the scene, not to engage in their own, you live than the new building is complex, cumbersome, safety risk, be careful! Earnestly!s
Ordinary I-beam, light I-beam flange is variable cross-section, depending on the thickness of the web, the external thin; H steel: HW, HM, HN, HEA, HEB, HEM and so on, the flange of I-beam is a uniform sectionOrdinary I-beam, lightweight I-beam has formed the national standard, the common 10# I-beam is equivalent to the Internet I100 (such as 10# also channel equivalent channel (U100) for the implementation of the standards of different countries, which have subtle differences in their specifications)H type I-beam is also called wide flange I-beam, HW, HM, HN originated from European standards, HEB is the German standard of I-beam, of which HW, HN I-beam has been widely used in our country and production. HEA HEB HEM will be seen on many German designs and is hard to buy on the domestic market. In the domestic steel structure engineering, if the quantity is few, then may use the specification steel plate to carry on the welding splicing. In the case of large quantities, it is usually considered to use mechanical properties comparable to those of HW and HN steel.s