不銹鋼風管焊接有哪些方法？

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一、手藝焊

1、 Craft welding

運用非常遍及，且操作簡單，主要是靠人進行調整，焊縫填充資料為電焊條。手藝焊簡直能焊接一切的資料，即便在室外也能夠，因而它具有很好的適應性，一般焊接時是采用直流電。

It is widely used and easy to operate. It is mainly adjusted by people. The weld filling data is electrode. Craft welding can weld almost all materials, even outdoors, so it has good adaptability. Generally, DC is used for welding.

電焊條，既能夠是鈦型焊條，也能夠是緘性的。鈦型焊條比較簡單焊接，焊縫漂亮，且焊渣簡單去除。但缺陷是假如長時間不用后再運用，那么有必要從頭進行烘烤，以防潮氣積累。

The electrode can be either titanium electrode or sealed. Titanium electrode is relatively simple to weld, the weld is beautiful, and the welding slag is easy to remove. But the defect is that if it is not used for a long time, it is necessary to bake from the beginning to prevent moisture accumulation.

二、金屬氣體維護焊

2、 Metal gas maintenance welding

它歸于氣體維護焊，也是一種電弧焊，是在維護氣體下，焊條被電弧融化。金屬*氣體維護焊可用于鋼、非合金鋼、低合金鋼以及高合金等這些資料，運用很廣泛。但有一點，它的維護氣體有必要為活*氣體，比如二氧化碳或許混合氣體等。的缺陷是假如在室外進行焊接，那么工件不能受潮，否則會影響維護氣體的維護效果。

It belongs to gas maintenance welding, which is also an electric arc welding. Under the maintenance gas, the welding rod is melted by the arc. Metal * gas maintenance welding can be used for steel, non alloy steel, low alloy steel and high alloy, which is widely used. But for one thing, its maintenance gas must be live * gas, such as carbon dioxide or mixed gas. The defect is that if welding is carried out outdoors, the workpiece cannot be affected by moisture, otherwise it will affect the maintenance effect of maintenance gas.

三、鎢惰性氣體維護焊

3、 Tungsten inert gas maintenance welding

電弧是在鎢電焊絲和工件之間發生，所以要求維護氣體為純ya氣，且焊絲是不帶電的，所以既能夠手動送入，也能夠機器送入，有時也能夠不送入。然后它到底是運用直流電仍是交流電，則取決于焊接資料。

The arc occurs between the tungsten electric welding wire and the workpiece, so the maintenance gas is required to be pure Ya gas, and the welding wire is not charged, so it can be fed manually, by machine, and sometimes not. Then whether it uses DC or AC depends on the welding data.

鎢惰性氣體維護焊主要是用于焊接薄和中等厚度的工件，原料的規模很廣，包含合金鋼、鋁、鎂、銅、灰口鑄鐵、鎳、銀、鈦以及鉛等。

Tungsten inert gas maintenance welding is mainly used for welding thin and medium thickness workpieces. The scale of raw materials is very wide, including alloy steel, aluminum, magnesium, copper, gray cast iron, nickel, silver, titanium and lead.

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