GB/T 39622-2020 Active National standards

GB/T 39622-2020 Gravity dredging grab

GB/T 39622-2020 Gravity dredging grab

Publish Date: 2020-12-14 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 39622-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Special equipment for engineering ships and survey ships
ICS Name: Other standards related to shipbuilding and marine structures
Publish Date: 2020-12-14
Implement Date: 2021-07-01
Pages: 11 pages

Scope

This standard specifies the classification, structure, dimensions, and models of dredge gravity grabbers, technical requirements, quality inspection, inspection rules, as well as requirements for marking, packaging, transportation, and storage.
This standard applies to the production, inspection, and use of dredge gravity grabbers.

Development Information

Word Count: 17 Thousand words Pages: 11 pages

Referenced Standards

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 1800.2-1998 Limits and fits—Bases—Part 2:Basic rules of tolerances, deviations and fits GB/T 1800.2-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1800.2-2020 Geometrical product specifications(GPS)—ISO code system for tolerances on linear sizes—Part 2:Tables of standard tolerance classes and limit deviations for holes and shafts GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment CB/T 3513-2013 Ship painting quality acceptance technical requirements CB/T 3513-1993 The technical requirements for acceptance of ship rust removal and painting quality JB/T 5000.6-2007 Heavy Machinery General Technical Conditions Part 6: Cast Steel Parts JB/T 5000.6-1998 Heavy Machinery General Technical Specification for Cast Steel Parts JB/T 5000.7-1998 Heavy Machinery General Technical Specification for Welding of Cast Steel Parts JB/T 5000.7-2007 Heavy mechanical general techniques and standards - Part 7:Repair welding for steel castings GB/T 191-2025 Graphical symbols marking for handling and storage of packages

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