工藝管道焊接方案

/

編制依據(jù)

工程概況及焊接特點分析

焊接材料的選擇 烘干溫度

焊接方法的選擇80mm6mm,

電焊機選擇

焊材烘烤、發(fā)放及使用管理

焊工管理 焊接工藝評定管理

焊接工藝文件的編制

b

焊接一般技術要求 100mm

b8m/s2m/s .

100mm

20mm12 管道的焊接

9mm

V

=0-2mm

b=0-2mm

20mmV

=0-3mmb=0-3mmbmm

mm

b

mm

坡口角度α

mm

mm

6mm

89mm

6mm

89mm

25ppm 6mm

89mm

=69mm

89mm

13 焊接檢驗

h3mm。（b

mmb

2mm

100mm

IIIIIIIVV

/30mm

30mm

500mm

500mm

I / 射線照相/

/

II/ / 射線照相/

III/射線照相/

/

/

/ IV包括承封焊以蘭、支支架的

射線照相/V

/

/

：角焊縫

;

/

0~2mm

風險識別X

焊接施工安全措施

/X

16

施工人員配備計劃

17

施工機具

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