Welding method for 1000MPa coal mine hydraulic support steel

The invention discloses a welding method for 1000MPa coal mine hydraulic support steel. The welding method comprises the steps of material selection, preheating, welding and heat treatment. The welding method comprises the steps of material selection, preheating, welding and heat treatment. According to the welding method for the steel for the 1000MPa coal mine hydraulic support, provided by the embodiment of the invention, the procedures of material selection, preheating, welding and heat treatment are adopted, and the welding wire with the diameter being 1.2 mm is adopted, so that efficient welding of a high-strength steel plate is achieved, weldability and economical efficiency are guaranteed, the welding difficulty is reduced, and the welding quality is guaranteed; the cost is saved, and the purpose of efficient welding is achieved. 本发明公开了一种1000MPa煤矿液压支架用钢焊接方法，包括：选料、预热、焊接和热处理。本发明焊接方法包括选料、预热、焊接和热处理。本发明实施例提供的用于1000MPa煤矿液压支架用钢焊接方法，本发明实施例提供的用于1000MPa煤矿液压支架用钢焊接方法，通过采用选料、预热、焊接和热处理工序，采用φ1.2mm焊丝，实现了高强钢板高效焊接，保证焊接性