MT/T 521-2006
MT · 2006-08-19

Standard drill rod for drilling in coal mine gallery

Replaced ICS 73.100.99 Cited by 3

1Key Takeaways

This standard specifies the type, fixed length, thread profile and basic dimensions, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of conventional drill pipes (hereinafter referred to as drill pipes) used for coal mine tunnel drilling. This standard applies to…

2Scope / Description

This standard specifies the type, fixed length, thread profile and basic dimensions, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of conventional drill pipes (hereinafter referred to as drill pipes) used for coal mine tunnel drilling. This standard applies to conventional drill pipes used for coal mine tunnel drilling in specifications of φ42, φ50, φ63.5, φ73, and φ89.

3Version History

MT/T 521-1995 older 1996-01-15
MT/T 521-2006 2006-08-19
MT/T 521-2025 newer 2025-06-30

5Citation Network

3
Cite this standard
5
Referenced herein
GB/T 2102 GB/T 9253.1 SY/T 5824 YB/T 5052 YB/T 528

6Frequently Asked Questions

What is MT/T 521-2006?
MT/T 521-2006 — Standard drill rod for drilling in coal mine gallery is an international standard developed by Professional Standard - Coal. This standard specifies the type, fixed length, thread profile and basic dimensions, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of conventional drill pipes (hereinafter referred to as...
What does MT/T 521-2006 cover?
This standard covers: This standard specifies the type, fixed length, thread profile and basic dimensions, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of conventional drill pipes (hereinafter referred to as drill pipes) used for coal mine tunnel drilling....
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of MT/T 521-2006?
The current published version is MT/T 521-2006, published on 2006-08-19. Always check for amendments or pending revisions.
How do I purchase MT/T 521-2006?
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