What preheat temperature should I use when welding aluminum? I’ve heard different numbers, and I know they can’t all be right. 2016-12-22 10:05:19

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I am having problems passing the tensile tests for my procedure qualification of aluminum alloy 6061-T6 on 6-inch-diameter pipe, Schedule 120. 2016-12-21 10:22:05

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Sometimes when I’m AC gas tungsten arc welding (GTAW) aluminum, the arc will start to flutter for a while. I can see it and hear it. Usually it goes away after a few seconds. What’s going on? 2016-12-21 10:19:42

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What to know when changing shielding gas with pulsed GMAW 2016-12-21 10:08:32

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硬质合金刀具生产时怎样才能把表面粗糙度降到最低？ 2016-12-21 09:32:04

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硬质合金木工圆锯片是如何制造出来的？ 2016-12-19 09:27:35

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Welding questions? 2016-12-14 11:03:43

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baidu 2016-12-13 10:58:39

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