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OxygenCalcium CarbideAcetyleneAcetylene Generators
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acetylene alloys aluminum amount applied asbestos beginner bend bevel bottom bronze welding butt weld calcium carbide carbide carburizing cast iron cause clamp clean complete cooling copper crack cutting torch defects deposited metal ductility edges equipment excess filler material filler rod flame adjustment flange flux fused fusion gas welding gases gauge handling heat holes hose important joint kerf line of cut magnesium magnesium alloys manganese manganese bronze manufacturers melting point method molten metal necessary needle valves neutral flame outfit oxide oxy-acetylene flame oxy-acetylene welding parent metal penetration piece plate pool possible practice preheating preparation pressure prevent procedure produce proper properly puddle recommended regulator repair result seam sheet metal side silver brazing slag strength sure surface tack welds tanks Technique temperature tensile strength thickness thin tion tubing type of weld valve weld Fig weld metal welding operation welding rod weldor white cone