GB/T 43878-2024 Active National standards

GB/T 43878-2024 Pick for rotary drilling rig

Publish Date: 2024-04-25 Implement Date: 2024-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 43878-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Steel shapes and special-shaped steel

ICS Name: Steel sections

Publish Date: 2024-04-25

Implement Date: 2024-11-01

Pages: 20 pages

Scope

This document specifies the ordering content, models, designations, and representation methods of cutters for rotary drilling rigs, as well as their dimensions, shapes, allowable deviations, technical requirements, inspection rules, markings, packaging, transportation, and storage. It also describes the testing methods.
This document applies to cutters for rotary drilling rigs (hereinafter referred to as "cutters").

Development Information

Word Count: 31 Thousand words Pages: 20 pages

Referenced Standards

GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method 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 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 18376.2-2001 Grades of cemented carbide Part 2:grades of cemented carbide for geological and mining tools GB/T 18376.2-2014 Grades of cemented carbide—Part 2:Grades of cemented carbide for geological and mining tools GB/T 18376.2-2024 Grades of cemented carbide—Part 2:Grades of cemented carbide for rock drilling and engineering

Related Standards

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GB/T 6723-1986 Replaced

GB/T 6723-1986 Cold forming sectional steel—Open sectional steel for general structure—Demension, form, weight and permissible deviations

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GB/T 6726-1986 Replaced

GB/T 6726-1986 Cold forming sectional steel for cargo vehicle—Demension, form, weight and permissible deviations

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GB/T 6727-1986 Replaced

GB/T 6727-1986 Cold forming sectional steel for passenger vehicle—Demension, form, weight and permissible deviations

Publish Date: 1986-08-22

GB/T 8649-1988 Abolished

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Publish Date: 1988-02-05