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SEMI-BASIC ELECTRODE FOR THE HIGH-OUTPUT BEVEL AND ANGLE WELDING OF SHEETS OF ORDINARY MILD OR SEMI-MILD STEEL
SEMI-BASIC ELECTRODE FOR THE HIGH-OUTPUT BEVEL AND ANGLE WELDING OF SHEETS OF ORDINARY MILD OR SEMI-MILD STEEL
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机译:普通低碳钢或半钢钢板的高输出坡口和角焊的半碱性电极
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摘要
Arc welding electrode comprises an iron base core with semi-basic outer layer of compsn:- 45-75% metal powder 8-15% deoxidants, 10-20% MgCO3 and/or MgO, 0-4% CaCO3 (or BaCO3 equivalent) 0-5% fluorides, 8-15% TiO2 or ZrO2, 2-8% iron oxides and opt. org. materials, alginates, kaolin or bentonite, total of 5%, the components being bound together with 15-30 wt. pts alkali silicates per 100 pts powder. The electrode is used for welding plates of mild or medium steel or low alloy steels.
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