GB/T 6482-2007 English PDF

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GB/T 6482-2007: Thread extension steel bars for rock drilling
Status: Valid

GB/T 6482: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6482-2007	419	Add to Cart	3 days	Thread extension steel bars for rock drilling	Valid
GB/T 6482-1994	599	Add to Cart	4 days	Rope thread extension steel bars for rock drilling	Obsolete
GB 6482-1986	399	Add to Cart	3 days	Extension drill-steel with rope threaded for percussive long-hole drilling	Obsolete

Similar standards

GB/T 6723   GB/T 6725   GB/T 6728   GB/T 6481   GB/T 6480   

Basic data

Standard ID: GB/T 6482-2007 (GB/T6482-2007)
Description (Translated English): Thread extension steel bars for rock drilling
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H44
Classification of International Standard: 77.140.70
Word Count Estimation: 16,175
Date of Issue: 2007-10-25
Date of Implementation: 2008-04-01
Older Standard (superseded by this standard): GB/T 6482-1994
Quoted Standard: GB/T 230.1; GB/T 1301; GB/T 2828.1; GB/T 6481
Adopted Standard: ISO 10207-1991, NEQ; ISO 10208-1991, NEQ
Regulation (derived from): National Standard Approval Announcement 2007 No.12 (Total No.112)
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 rock drill rod with threaded connection, connected sets of terms and definitions, ordering content, symbol, classification code, test methods, , shape, dimensions and tolerances, technical requirements for inspection rules, packaging, signs, transport, storage and so on. This standard applies to a diameter of 22 mm to 51 mm of rock and trapezoidal waveforms with threaded rods and threaded connection solder connection sets.

GB/T 6482-2007: Thread extension steel bars for rock drilling

---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.
Thread extension steel bars for rock drilling ICS 77.140.70 H44 National Standards of People's Republic of China Replacing GB/T 6482-1994 Drilling is threaded drill rod (ISO 10207.1991, Rockdrilingequipment-Ropethreadeddrilsteel equipmentforpercussivedriling, nominalsizes22mmto38mm; ISO 10208.1991, Rockdrilingequipment-Left-handropethreads, NEQ) Posted 2007-10-25 2008-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard and ISO 10207.1991 "Rock Drilling --- impact drilling with a nominal size of 22mm to 38mm thread solder wave With "and ISO 10208.1991" Rock Drilling --- threaded left-handed wave "of non-equivalent, the main differences are as follows. --- Increasing the corresponding code, the relevant dimensions, symbols and diagrams trapezoidal thread. --- Combined with China's actual situation, given Rod Classification and designation. --- Adjust the length of the drill rod basic dimensions and tolerances range. --- Provisions of the drill rod and coupling sleeve surface heat treatment hardness range. This standard replaces GB/T 6482-1994 "rock waveform threaded drill rod." This standard and GB/T 6482-1994 compared to the main changes are as follows. --- Changed the name of the standard, the original standard "rock drill rod threaded connection with a waveform" with "rock drill rod screwed." --- Increase the definition of "thread Rod" in. --- The "drift Drill Rod" to "Drill Rig Rod." --- Cancel the definition of "Relay Rod," no longer will be included free relay Rod Rod Classification and designation. --- Increasing the "order content" of the relevant provisions. --- Changed the suspension set desktop connection symbol, the original standard LJT to LJZ. --- Changed the hexagonal hollow steel nominal symbols edge distance, the original standard B to H. --- Increasing the relative size of the trapezoidal thread, symbols and drawings. --- Adjust the shape, dimensions and tolerances of the content part of the chart, the original standard of 14 maps, six tables, adjusted to FIG. 18, 4 tables. The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard was drafted. Guiyang Special Steel Co., Ltd., Steel Research Institute, Guizhou three of the Group's Industrial Co., Ltd., Changsha Mining and Metallurgy Institute of Metallurgical Industry Information Standards Institute. Drafters of this standard. Long Qian, Tianqiao Li, Li Bing, Ganhai Ren, Zhang Chunhong, Jane Du Li, Wang Chou-seng, Dong Xin industry. This standard replaces the standards previously issued as follows. GB/T 6482-1986, GB/T 6482-1994. Drilling is threaded drill rod

1 Scope

This standard specifies the rock drill rod threaded connection, connection sets terms and definitions, order contents, symbols, classification code, shape, size and Tolerance, technical requirements, test methods, inspection rules, packaging, labeling, transportation, storage and so on. This standard applies to a diameter of 22mm ~ 51mm of rock drill rod and connector cover with a threaded connection waveform and trapezoidal threads.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent All amendments (not including errata content) or revisions do not apply to this standard, however, encourage an agreement in accordance with this standard Whether the parties can study the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 230.1 Metallic Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T scale) (GB/T 230.1-2004, ISO 6508-1-1999, MOD) GB/T 1301 rock drill rod hollow steel GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 6481 drilling with a hollow hexagonal drill rod taper connection

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Rod waveform using one or both ends or trapezoidal thread screw, solder drill rod rock group by a threaded connection combination. 3.2 Both ends of the threaded connection, thread nominal diameter equal to the nominal diameter of the hollow steel rod body or on the side away from the threaded drill rod. 3.3 Both ends of the threaded connection, thread nominal diameter greater than the nominal diameter of the hollow steel rod body or on the side away from the threaded drill rod. 3.4 Both ends of the thread different nominal diameters greater than or equal to one end, the other end of the hollow steel rod body is equal to or less than the nominal diameter of the screw or edge distance Grain drill rod. 3.5 One end of the internal thread, the other end is threaded drill rod external thread. 3.6 Rod solder shoulder shank end is the other end of the threaded rod hexagonal body. ......

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