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GB/T 43913-2024: Steel swage(d) nipples
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 43913-2024 | English | 439 |
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Steel swage(d) nipples
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GB/T 43913-2024
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Basic data | Standard ID | GB/T 43913-2024 (GB/T43913-2024) | | Description (Translated English) | Steel swage(d) nipples | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 23.040.60 | | Word Count Estimation | 22,260 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43913-2024: Steel swage(d) nipples---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 23:040:60
CCSJ15
National Standards of People's Republic of China
Steel reducing nipple
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Types and codes 1
5 Nozzle size 2
6 Order Content 2
7 Shape, dimensions and tolerances 2
8 Materials 8
9 Design and manufacturing 8
10 Heat Treatment 9
11 Inspection and testing 9
12 Signs 9
13 Surface protection and packaging 10
14 Product quality certificate 10
Appendix A (Normative) Design Verification Test 11
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the China Machinery Industry Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Pipeline Accessories (SAC/TC237):
This document was drafted by: Jiangyin Nanfang Pipe Fittings Manufacturing Co:, Ltd:, China Machinery Productivity Promotion Center Co:, Ltd:, Sinopec Engineering Construction Co:, Ltd:
Co:, Ltd:, Jiangsu Haida Pipe Fittings Group Co:, Ltd:, Jiangyin Jintong Petrochemical Equipment Co:, Ltd:, PetroChina East China Design Institute Co:, Ltd:,
Guotianchen Engineering Co:, Ltd:, Wuxi Xinfeng Pipe Industry Co:, Ltd:, Yangzhou Pipe Fittings Factory Co:, Ltd:, Zhejiang Jiuli Special Materials Technology Co:, Ltd:
Company, Jiangsu Fugit Pipe Industry Co:, Ltd:, Suzhou Yuli Pipe Industry Co:, Ltd:, Hebei Canghai Nuclear Equipment Technology Co:, Ltd:, Changzhou Wu
Jin Electric Pipe Fittings Co:, Ltd:, Zhengzhou Wanda Heavy Industry Co:, Ltd:, Beijing Petrochemical Engineering Co:, Ltd:, Hefei Shihua Pipe Fittings Co:, Ltd:
Ren Company, Jiangsu Zhide Pipe Industry Co:, Ltd:, Hebei Hengtong Pipe Fittings Group Co:, Ltd:, Hebei Huizhong Pipe Equipment Co:, Ltd:, Shanghai Feiting Pipe
Industry Manufacturing Co:, Ltd:
The main drafters of this document are: Guo Shunxian, Feng Feng, Li Jinxi, Zhao Yong, Liu Hongfu, Liu Jianxin, Yao Minghua, Zhang Xiujie, Lu Hengping, Shen Yufeng,
Naiming Li, Xinyue Zhang, Qingyun Meng, Zhiwei Zang, Fufeng Zhang, Yongjian Li, Yunfeng Xu, Xinbao Zhang, Liang Wang, Jiantao Zhao, Hui Xu:
Steel reducing nipple
1 Scope
This document specifies the types of steel reducing nipples (hereinafter referred to as "reducing nipples") with a diameter of DN6 to DN300 (NPS1/8 to NPS12):
and code, pipe size, ordering content, shape, size and tolerance, material, design and manufacturing, heat treatment, inspection and testing, marking, surface protection
Requirements for packaging and product quality certificates:
This document applies to steel reducing nipples used in piping systems:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
GB/T 12459 Types and parameters of steel butt-welding pipe fittings
GB/T 12716 60° Sealing Pipe Thread
GB/T 13401 Technical specification for steel butt-welding pipe fittings
GB/T 14383 Forged socket welding and threaded pipe fittings
GB/T 18253-2018 Types of inspection documents for steel and steel products
GB/T 28708 Dimensions of seamless and welded steel pipes for pipeline engineering
NB/T 47013:4 Nondestructive testing of pressure equipment Part 4: Magnetic particle testing
NB/T 47013:5 Nondestructive testing of pressure equipment Part 5: Penetrant testing
3 Terms and definitions
There are no terms or definitions that require definition in this document:
4 Types and codes
Reducing nipples include concentric and eccentric structures; the varieties and codes distinguished by different end connection forms are shown in Table 1:
Table 1 Types and codes of reducing nipples
Concentricity
Variety Code Variety Code
Concentric reducer with grooves on both ends CSNIP-BBE Eccentric reducer with grooves on both ends ESNIP-BBE
Concentric reducing nipple with flat ends CSNIP-PBE Eccentric reducing nipple with flat ends ESNIP-PBE
Concentric reducing nipple with threads on both ends CSNIP-TBE Eccentric reducing nipple with threads on both ends ESNIP-TBE
Concentric reducing short section with large end groove and small end flat end CSNIP-BLE×PSE Eccentric reducing short section with large end groove and small end flat end ESNIP-BLE×PSE
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