Guangdong galvanized pipe threading, days of high quality galvanized threading pipe manufacturers, galvanized pipe threading pipe provided by the bridge, Ltd. Guangdong days. Guangdong days steel bridge Limited (www.nhtianlai.com) is specialized in the "line pipe, duct, cable tray, square tube, greenhouse scaffolding tubes, zinc steel guardrail," the enterprise, the company adhering to the "integrity management, intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr. Ou. Galvanized steel rust solvent cleaning methods first use galvanized steel surface threading pipe manufacturers, the removal of surface organic matter, and then use the tools rust (wire brush) to remove loose or tilt the scale, rust galvanized pipe threading, slag and other wholesale galvanized pipe threading, use pickling way. Galvanized steel connections into hot dip galvanized and cold-plated, hot dip rust easily, easier cold plated rust. Galvanized steel Connection: thread, welding galvanized pipe technical requirements, galvanized steel grades and chemical composition of steel grades and chemical composition shall conform to GB 3092 under the clarinet steel grades and chemical composition. 2, a manufacturing method clarinet (furnace brazed or welded) selected by the manufacturer. Galvanized hot dip galvanizing method. 3, threaded fittings and threaded delivery 3.1 galvanized steel, thread should be galvanized after car system. YB 822 threads shall comply with the provisions of. 3.2 steel pipe fittings shall comply with the provisions of YB 238; malleable iron pipe fittings shall comply with the provisions of YB 230.