GB/T 29038-2024 薄壁不锈钢管道技术规范

ICS23.040.60

CCSJ15

中华人民共和国国家标准

GB/T29038—2024

代替GB/T29038—2012

薄壁不锈钢管道技术规范

Technicalspecificationforlightgaugestainlesssteelpiping

2024⁃09⁃29发布2025⁃04⁃01实施

国家市场监督管理总局

国家标准化管理委员会发布

GB/T29038—2024

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4管子与管件··············································································································3

5设计·······················································································································4

6施工·······················································································································6

7验收·······················································································································8

附录A（规范性）薄壁不锈钢管子和管件的化学成分和力学性能···········································10

附录B（资料性）薄壁不锈钢管道的沿程水头损失计算·······················································12

附录C（规范性）不锈钢卡压式D型承口连接··································································27

附录D（规范性）不锈钢卡压式S型承口连接···································································29

附录E（规范性）不锈钢环压式连接···············································································30

附录F（规范性）不锈钢卡凸式连接···············································································31

附录G（规范性）不锈钢齿环卡压式连接·········································································33

附录H（规范性）不锈钢压缩式连接···············································································35

附录I（规范性）不锈钢承插氩弧焊连接··········································································37

附录J（规范性）不锈钢对接氩弧焊连接··········································································38

附录K（规范性）不锈钢可曲挠螺纹连接·········································································39

附录L（规范性）不锈钢沟槽式连接···············································································41

Ⅰ

GB/T29038—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

本文件代替GB/T29038—2012《薄壁不锈钢管道技术规范》，与GB/T29038—2012相比，除编辑

性修改外，主要技术变化如下：

——更改了公称压力范围为不大于PN25、公称尺寸范围为不大于DN300（见第1章，2012年版

的第1章）；

——增加了齿环卡压式连接的定义（见3.10）；

——增加了卫生间配水管布置要求（见5.1.9）；

——增加了建筑内抗震要求（见6.3.11）；

——增加了齿环卡压式连接方式要求（见6.4.6）；

——增加了不锈钢沟槽式连接方式要求（见6.4.11）；

——增加了附录G不锈钢齿环卡压式连接规范要求（见附录G）；

——增加了附录L不锈钢管沟槽式连接规范要求（见附录L）。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由中国机械工业联合会提出。

本文件由全国管路附件标准化技术委员会（SAC/TC237）归口。

本文件负责起草单位：中国建筑设计研究院有限公司、中机生产力促进中心有限公司、无锡金羊管

件有限公司、玫德雅昌集团有限公司、浙江正康实业股份有限公司、成都共同管业集团股份有限公司、

广州美亚股份有限公司、浙江福兰特有限公司、沧州市三庆工贸有限公司、江苏道成不锈钢管业有限公

司、上海甬通管业有限公司、上海三盛健康科技股份有限公司、浙江纯雨实业有限公司、浙江康帕斯流

体技术股份有限公司、德房家（中国）管道系统有限公司、浙江正同管业有限公司、民乐管业（江门）有限

公司、新兴铸管股份有限公司、维格斯（上海）流体技术有限公司、江苏银羊不锈钢管业有限公司、武汉

金牛不锈钢管道科技有限公司、广东双兴新材料集团有限公司、浙江金洲管道科技股份有限公司、江苏

宝地管业有限公司、安徽金威管业有限公司、佛山市恒合信管业有限公司、宁波铭扬不锈钢管业有限公

司、合肥管益生不锈钢管道有限公司、无锡众扬金属制品有限公司、中国建筑金属结构协会、雁栖湖基

础制造技术研究院（北京）有限公司。

本文件主要起草人：赵锂、刘永旺、冯峰、李俊英、沈峰、陈卫东、周超、文长宏、胡飞、汤焕苗、

李胜海、陈建华、王睿、邢雯雯、邓海文、盛斌、石传明、龚岳强、于修涛、杨鑫、徐志华、李铁良、高胜华、

张忠明、谷占飞、霍灿辉、魏安家、俞东旭、韦胜利、吕春荣、周志龙、朱向勇、孙志刚、曹捩、王小娟。

本文件所代替标准的历次版本发布情况为：

——2012年首次发布为GB/T29038—2012；

——本次为第一次修订。

Ⅲ

GB/T29038—2024

薄壁不锈钢管道技术规范

1范围

本文件规定了薄壁不锈钢管道的材料、设计、施工与验收等的技术规范。

本文件适用于工业与民用建筑中公称压力不大于PN25、公称尺寸不大于DN300、温度不大于

80℃的给水（介质为管道直饮水、生活热水、冷水等）及开水供应薄壁不锈钢管道的设计、施工及验收。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于

本文件。

GB5749生活饮用水卫生标准

GB/T12771流体输送用不锈钢焊接钢管

GB/T19228.1不锈钢卡压式管件组件第1部分：卡压式管件

GB/T19228.2不锈钢卡压式管件组件第2部分：连接用薄壁不锈钢管

GB/T19228.3不锈钢卡压式管件组件第3部分：O形橡胶密封圈

GB/T21359食品和供水工业用不锈钢螺纹接头

GB/T21472食品工业用不锈钢弯头和三通

GB/T33926不锈钢环压式管件

GB50015建筑给水排水设计标准

GB50981建筑机电工程抗震设计规范

CJ/T151薄壁不锈钢管

3术语和定义

下列术语和定义适用于本文件。

3.1

薄壁不锈钢管lightgaugestainlesssteelpipes

壁厚与外径之比不大于6%，且壁厚为0.6mm~4.0mm的不锈钢管。

3.2

覆塑薄壁不锈钢管lightgaugestainlesssteelpipeswrappedinplastic

外壁有塑料包覆层的薄壁不锈钢管。

3.3

卡压式连接pressjointing

以带有特种密封圈的承口管件连接管道，用专用工具压紧管口而起密封和紧固作用的一种连接方

式。根据端部结构卡压连接方式分为S型和D型两种。

3.4

D型承口连接single⁃pressextrusionjointing

管件承口端部无延伸直段的卡压连接。

1