China 406.4mm API 5L Gr. B ERW Hfw Welded Steel Pipe, Find details about China Steel Pipe, Welded Steel Pipe from 406.4mm API 5L Gr. B ERW Hfw Welded Steel Pipe - Qingdao Ironsteel International Trading Co., Ltd.
China GB/T3091 Q235B Galvanized Steel Square Pipe - China Galvanized Steel Square Pipe (Q235B Q345B Q235 Q345 ) Galvanized steel pipe is a type of steel pipe that has undergone galvanization. In this process, the steel pipe is coated with zinc to protect it from corrosion which is caused by the elements. The galvanized steel pipes are commonly used as fences, gates, reinforcements or for different building purposes.
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q235b insulation steel pipe, q235b insulation steel pipe Spiral steel pipe SAW pipe is made by welded the steel coiling or steel plate in spiral welding line . Gi pipe Gi tube Q235B Tianjin Pre-galvanized steel pipe Tianjin Huilifeng Anti-Corrosion And Insulation Steel Pipe Group Co., Ltd.China Q235B Black Steel Welded Pipe with Cheap Price Pre galvanized steel pipe:60-150g/m2; Hot dipped galvanized steel pipe:200-400g/m2:End finish:Plain/ beveled ends or threaded with sockets/coupling and plastic caps. Material:Q195 Q215 Q235 Q345 St37 St52 St37-2 10# 20# 16Mn:Usage:Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Lowpressure fluid pipe for water oil or gas, Boiler pipe.