本规范共分10章和1个附录，主要技术内容是：总则，术语和符号，管道安装的基本规定，管道元件和材料的检验，管道加工，管道焊接和焊后热处理，管道安装，管道检查、检验和试验，管道吹扫与清洗，工程交接验收等。
GB50235-2010······1
1 总则······13
2 术语和符号······14
2.1 术语······14
2.2 符号······16
3 基本规定······19
3.1 一般规定······19
3.2 分级······20
4 管道元件和材料的检验······21
4.1 一般规定······21
4.2 阀门检验······22
4.3 其他管道元件检验······23
5 管道加工······24
5.1 一般规定······24
5.2 下料切割······24
5.3 弯管制作······25
5.4 卷管制作······28
5.5 管口翻边······29
5.6 夹套管制作······30
5.7 斜接弯头制作······31
5.8 支、吊架制作······32
6 管道焊接和焊后热处理······33
7 管道安装······40
7.1 一般规定······40
7.2 管段预制······41
7.3 钢制管道安装······42
7.4 连接设备的管道安装······45
7.5 铸铁管道安装······46
7.6 不锈钢和有色金属管道安装······48
7.7 伴热管安装······49
7.8 夹套管安装······50
7.9 防腐蚀衬里管道安装······50
7.10 阀门安装······51
7.11 补偿装置安装······51
7.12 支、吊架安装······55
7.13 静电接地安装······57
8 管道检查、检验和试验······59
8.1 一般规定······59
8.2 外观检查······59
8.3 焊缝表面无损检测······59
8.4 焊缝射线检测和超声检测······60
8.5 硬度检验及其他检验······60
8.6 压力试验······61
9 管道吹扫与清洗······67
9.1 一般规定······67
9.2 水冲洗······68
9.3 宅气吹扫······69
9.4 蒸汽吹扫······69
9.5 脱脂······70
9.6 化学清洗······70
9.7 油清洗······71
10 工程交接······72
附录A 施工质量检查记录的内容及格式······74
本规范用词说明······91
引用标准名录······92
附：条文说明······93
1 总则······97
2 术语和符号······98
2.1 术语······98
3 基本规定······99
3.1 一般规定······99
3.2 分级······100
4 管道元件和材料的检验······101
4.1 一般规定······101
4.2 阀门检验······102
4.3 其他管道元件检验······103
5 管道加工······104
5.1 一般规定······104
5.2 下料切割······104
5.3 弯管制作······105
5.4 卷管制作······105
5.5 管口翻边······106
5.6 夹套管制作······106
5.7 斜接弯头制作······106
5.8 支、吊架制作······107
6 管道焊接和焊后热处理······108
7 管道安装······110
7.1 一般规定······110
7.2 管段预制······111
7.3 钢制管道安装······111
7.4 连接设备的管道安装······112
7.5 铸铁管道安装······113
7.6 不锈钢和有色金属管道安装······113
7.7 伴热管安装······114
7.8 夹套管安装······114
7.9 防腐蚀衬里管道安装······115
7.10 阀门安装······115
7.11 补偿装置安装······115
7.12 支、吊架安装······116
7.13 静电接地安装······116
8 管道检查、检验和试验······117
8.1 一般规定······117
8.2 外观检查······117
8.3 焊缝表面无损检测······118
8.4 焊缝射线检测和超声检测······118
8.5 硬度检验及其他检验······119
8.6 压力试验······120
9 管道吹扫与清洗······123
9.1 一般规定······123
9.2 水冲洗······123
9.3 空气吹扫······124
9.4 蒸汽吹扫······124
9.5 脱脂······124
9.6 化学清洗······125
9.7 油清洗······125
10 工程交接······126
