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GB/T 45485-2025: Ships and marine technology - Design and test requirements for small steel hatches using electrical trace heating
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45485-2025 | English | 354 |
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Ships and marine technology - Design and test requirements for small steel hatches using electrical trace heating
| Valid |
GB/T 45485-2025
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Standard similar to GB/T 45485-2025 GB/T 10841 GB/T 45488 Basic data | Standard ID | GB/T 45485-2025 (GB/T45485-2025) | | Description (Translated English) | Ships and marine technology - Design and test requirements for small steel hatches using electrical trace heating | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U26 | | Classification of International Standard | 47.020.50 | | Word Count Estimation | 18,188 | | Date of Issue | 2025-03-28 | | Date of Implementation | 7/1/2025 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45485-2025: Ships and marine technology - Design and test requirements for small steel hatches using electrical trace heating
---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 47.020.50
CCSU26
National Standard of the People's Republic of China
Ships and offshore technology
Design and test requirements for electric heating steel small hatch covers
(ISO 24319.2022, IDT)
Released on 2025-03-28
2025-07-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
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.
This document is equivalent to ISO 24319.2022 "Design and test requirements for electrically heated steel small hatch covers in ships and offshore technology".
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 is proposed and coordinated by the National Technical Committee for Ship Outfitting Standardization (SAC/TC129).
This document was drafted by. Wuxi Haihe Equipment Technology Co., Ltd., China Shipbuilding Industry Corporation Comprehensive Technology and Economic Research Institute, Jiangnan
China Shipbuilding (Group) Co., Ltd., Guangzhou Shipyard International Co., Ltd., Hudong-Zhonghua Shipbuilding (Group) Co., Ltd., and China Ship Research and Design Center.
The main drafters of this document are. Song Jing, Zhang Wenxian, Tao Dongming, Guo Ya, Shi Yao, Sun Yaogang, Wang Xiao, Wang Yun, Hu Yong, Tang Wenhe, Zhang Xia,
Li Yongfu, Lin Peijian, and Jiang Wei.
Ships and offshore technology
Design and test requirements for electric heating steel small hatch covers
1 Scope
This document specifies the design, materials, manufacturing quality, and testing of marine electric heated steel small hatch covers in low temperature environments (below -10°C).
and marking requirements.
2 Normative references
The contents of the following documents constitute 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.
ISO 8501-1 Surface preparation of steel substrates before application of paint - Visual assessment of surface cleanliness - Part 1.Uncoated steel substrates
of previous coatings)
Note. GB/T 8923.1-2011 Surface preparation of steel before coating - Visual assessment of surface cleanliness - Part 1.Uncoated steel surfaces and
Rust level and treatment level of steel surface after complete removal of the original coating (ISO 8501-1.2007, IDT)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Heated small steel hatch cover
A small steel hatch cover installed on a ship sailing in a low temperature environment (3.4) and capable of being opened normally by heating an electric heating tape (3.3).
3.2
Heating device traceheater
A device designed to generate heat based on the principle of resistance, usually consisting of one or more metal conductors or conductive materials and with appropriate
Electrical insulation and protection.
NOTE. It can be in the form of electric heating cables (3.3), heating plates or heating pads.
[Source. GB/T 5959.10-2015, 3.115]
3.3
traceheatercable
A round or flat cable consisting of one or more separate or continuous electrically insulated heating elements.
Note. This cable can adjust its heating output power according to the ambient temperature.
[Source. GB/T 5959.10-2015, 3.116]
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