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GB/T 20848-2017: Mooring chain
Status: Valid GB/T 20848: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20848-2017 | English | 699 |
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5 days [Need to translate]
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Mooring chain
| Valid |
GB/T 20848-2017
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| GB/T 20848-2007 | English | 719 |
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3 days [Need to translate]
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Mooring chain
| Obsolete |
GB/T 20848-2007
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Standard similar to GB/T 20848-2017 GB/T 45607 GB/T 36217 Basic data | Standard ID | GB/T 20848-2017 (GB/T20848-2017) | | Description (Translated English) | Mooring chain | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U21 | | Classification of International Standard | 47.020.50 | | Word Count Estimation | 35,373 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | Older Standard (superseded by this standard) | GB/T 20848-2007 | | Quoted Standard | GB/T 222; GB/T 223.3; GB/T 223.5; GB/T 223.9; GB/T 223.11; GB/T 223.14; GB/T 223.16; GB/T 223.18; GB/T 223.23; GB/T 223.26; GB/T 223.63; GB/T 223.68; GB/T 223.71; GB/T 226; GB/T 228.1; GB/T 229; GB/T 549-2017; GB/T 1979; GB/T 4162; GB/T 4336; GB/T 4340.1 | | Regulation (derived from) | National Standard Notice 2017 No. 23 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the classification and marking mooring chain (including ordinary links and accessories), requirements, test methods, inspection rules, signs and documents. This standard applies to the design, manufacture and acceptance of the floating marine engineering structure positioning and mooring chain. | GB/T 20848-2017: Mooring chain---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.
Mooring chain
ICS 47.020.50
U21
National Standards of People's Republic of China
Replacing GB/T 20848-2007
Mooring chain
2017-09-29 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 20848-2007 "mooring chain." This standard compared with GB/T 20848-2007, the main technical changes
as follows.
--- Added LTM shackle definition (see 3.6);
--- Added mooring chain ordinary file chain link, ordinary no chain link, LTM-type connection shackle, LTM-type end shackle type and ruler
Inch (see 4.2);
--- Added R4S level and R5 level mooring chain requirements (see Table 1, Table 8);
--- Increase the R4S level and R5 mooring chain forbidden welding gear requirements (see 5.4.5);
--- Modify the ordinary link (to the diameter of 210mm) crown diameter allowable negative tolerance requirements (see 5.5.4,.2007 version 5.5.3);
--- Modify mooring chain mechanical properties (see Table 10,.2007 edition of Table 4).
This standard proposed by China State Shipbuilding Corporation.
This standard by the National Standardization Technical Committee outfitting (SAC/TC129) centralized.
This standard was drafted unit. Jiangsu Yaxing Anchor Chain Co., Ltd., China Shipbuilding Industry Institute of Integrated Technology and Economy, Jiangnan Shipbuilding (set
Mission) limited liability company.
The main drafters of this standard. Zhang Weixin, Zhang Meiling, Li Jian, Shao Yun Liang, Zhao Zhenhua.
This standard replaces the standards previously issued as.
--- GB/T 20848-2007.
Mooring chain
1 Scope
This standard specifies the mooring chain (including ordinary links and accessories) classification and marking, requirements, test methods, inspection rules, signs and
file.
This standard applies to the design, manufacture and acceptance of the floating marine engineering structure positioning and mooring chain.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 222 steel finished chemical composition tolerance
GB/T 223.3 Methods for chemical analysis of iron, steel and alloy diamidine pyrophosphoric acid Gravimetric method for the determination of phosphorus content
GB/T 223.5 steel acid-soluble silicon and total silicon content of the reduction of molybdosilicate spectrophotometry
GB/T 223.9 steel and alloy aluminum content - Determination of chromazurol S spectrophotometry
GB/T 223.11 steel and alloy chromium content - Visual titration or potentiometric titration
GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The tantalum reagent extraction photometric method for the determination of vanadium content
Methods for chemical analysis of iron, steel and alloy - The chromochrome acid photometric method for the determination of titanium content
GB/T 223.18 Methods for chemical analysis of iron, steel and alloy - Sodium thiosulfate - iodometric method for the determination of copper content
Steel and alloy - Determination of nickel content - Dimethylglyoxime spectrophotometric method GB/T 223.23
Steel and alloy - Determination of molybdenum content - Thiocyanate spectrophotometric method
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium periodate (potassium) photometric method for the determination of manganese content
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in tube furnace for the determination of sulfur content
GB/T 223.71 Methods for chemical analysis of iron, steel and alloy The gravimetric method for the determination of carbon content after combustion in the tube furnace
GB/T 226 low magnification organizations and defects acid corrosion test
GB/T 228.1 tensile testing of metallic materials - Part 1. room temperature test method
GB/T 229 Charpy pendulum impact test method for metallic materials
GB/T 549-2017 welding anchor chain
GB/T 1979 structural steel microstructure defects rating chart
GB/T 4162 Wrought steel rod ultrasonic testing methods
GB/T 4336 carbon steel and low alloy steel spark source atomic emission spectrometric method (conventional method)
GB/T 4340.1 Vickers hardness test of metallic materials - Part 1. Test methods
GB/T 6394 metal average grain size determination
Testing methods for ultrasonic testing of steel forgings GB/T 6402-2008
Non - destructive testing of welds - Ultrasonic testing techniques, testing levels and assessment GB/T 11345-2013
GB/T 15822 (all parts) non-destructive testing of magnetic particle testing
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