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Hot rolled ribbed steel bar

Rebar is the common name of hot rolled ribbed steel bar. The grade of ordinary hot rolled steel bar consists of HRB and the minimum yield point of the grade.

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Boiler plate

Boiler plate,It is mainly used for making boilers.

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Construction method of air duct wrapped fireproof board

Manufacturing method of galvanized iron sheet air duct outer fireproof board

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How to deal with galvanized sheet surface when painting

If the galvanized sheet is rust-free, sand it with fine sandpaper first to increase the adhesion of the paint. The primer can be regular paint or spray paint. T···

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What is the hardest stainless steel material

The hardest stainless steel is 440C stainless steel, is a kind of martensitic stainless steel, can do tools and the like, its hardness is 58 ~ HRC60.440 stainle···

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