Discussion on welding technology of 316L and Q345B dissimilar steels

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DOI：

TANG Yanbin. Discussion on welding technology of 316L and Q345B dissimilar steels[J]. Eletric Welding Machine2018, 48(4): 91-93. DOI：

不锈钢316L与低合金钢Q345B的焊接属于异种钢焊接

如果使用的焊接方法不合理

焊接接头容易出现裂纹、气孔、夹渣等缺陷。以某单位研制的焊接阀板为例

提出不锈钢316L与低合金钢Q345B在实际焊接中应选用的焊接方法和焊接工艺

此方法可有效避免常见的焊接缺陷产生。

The welding of 316L stainless steel and Q345B low alloy steel belongs to dissimilar steel welding. The defects of welded joints like cracks

pores

slag are easy to appear if an unreasonable welding method is adopted. A welding valve plate developed by an enterprise is taken as an example

the welding methods and technology should be used in practical welding are put forward

which can effectively avoid the common welding defects.

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