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postweld

postweld

postweld

postweld

1

The height of tack welding don't exceed normal welds , eliminating postweld slag at once .

定位焊高度不得超过正式焊缝的高度，焊后的熔渣应立即去除。

2

Determination of postweld heat treatment parameters of high strength weld

高强度焊缝焊后热处理参数的确定

3

Determination of heated band width criterion of local postweld heat treatment for Cr-Mo steel pipe

Cr-Mo 钢管子局部焊后热处理加热宽度准则的确定

4

temperatures for postweld head treatment

焊后热处理温度

5

Cooling after postweld heat treatment

焊接热处理之后的冷却

6

Preheat and Postweld heat treatment

预热及热处理

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