本規(guī)范共分13章和4個附錄。主要技術(shù)內(nèi)容是：總則、術(shù)語、基本規(guī)定、材料、焊接工藝評定、焊接技能評定、碳素鋼及合金鋼的焊接、鋁及鋁合金的焊接、銅及銅合金的焊接、鐵及鈦合金的焊接、鎳及鎳合金的焊接、鋯及鋯合金的焊接、焊接檢驗及焊接工程交接等。

GB50236-2011······1

1 總則······12

2 術(shù)語······13

3 基本規(guī)定······14

4 材料······17

5 焊接工藝評定······20

6 焊接技能評定······21

7 碳素鋼及合金鋼的焊接······25

7.1 一般規(guī)定······25

7.2 焊前準備······25

7.3 焊接工藝要求······28

7.4 焊前預(yù)熱及焊后熱處理······32

8 鋁及鋁合金的焊接······35

8.1 一般規(guī)定······35

8.2 焊前準備······35

8.3 焊接工藝要求······38

9 銅及銅合金的焊接······40

9.1 一般規(guī)定······40

9.2 焊前準備······40

9.3 焊接工藝要求······41

10 鈦及鈦合金的焊接······43

10.1 一般規(guī)定······43

10.2 焊前準備······43

10.3 焊接工藝要求······45

11 鎳及鎳合金的焊接······47

11.1 一般規(guī)定······47

11.2 焊前準備······47

11.3 焊接工藝要求······48

12 鋯及鋯合金的焊接······50

12.1 一般規(guī)定······50

12.2 焊前準備······50

12.3 焊接工藝要求······51

13 焊接檢驗及焊接工程交接······53

13.1 焊接前檢查······53

13.2 焊接中間檢查······54

13.3 焊接后檢查······54

13.4 焊接工程交接······57

附錄A 焊接工藝規(guī)程的格式······58

附錄B 焊接技能評定記錄、焊接技能評定結(jié)果登記表及焊接技能評定合格證的格式······61

附錄C 常用焊接坡口形式和尺寸······65

附錄D 焊接材料的選用······77

本規(guī)范用詞說明······85

引用標準名錄······86

附：條文說明······88

1 總則······92

2 術(shù)語······94

3 基本規(guī)定······95

4 材料······97

5 焊接工藝評定······99

6 焊接技能評定······103

7 碳素鋼及合金鋼的焊接······106

7.1 一般規(guī)定······106

7.2 焊前準備······106

7.3 焊接工藝要求······108

7.4 焊前預(yù)熱及焊后熱處理······112

8 鋁及鋁合金的焊接······115

8.1 一般規(guī)定······115

8.2 焊前準備······115

8.3 焊接工藝要求······116

9 銅及銅合金的焊接······118

9.1 一般規(guī)定······118

9.2 焊前準備······119

9.3 焊接工藝要求······119

10 鈦及鈦合金的焊接······121

10.1 一般規(guī)定······121

10.2 焊前準備······121

10.3 焊接工藝要求······122

11 鎳及鎳合金的焊接······125

11.1 一般規(guī)定······125

11.2 焊前準備······125

11.3 焊接工藝要求······126

12 鋯及鋯合金的焊接······127

12.1 一般規(guī)定······127

12.2 焊前準備······127

12.3 焊接工藝要求······128

13 焊接檢驗及焊接工程交接······129

13.1 焊接前檢查······129

13.2 焊接中間檢查······129

13.3 焊接后檢查······131

13.4 焊接工程交接······133