drill steel
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Definition
- Noun:
- Carbon steel used for rock drills and dowels: "Drill steel" refers to a specific type of high-strength carbon steel alloy designed for manufacturing the drill bits and rods used in rock drilling and anchoring applications.
Usage
- Noun:
- The mining company ordered a new shipment of drill steel for their tunneling project.
- The durability of the drill steel is critical for penetrating hard rock formations.
Advanced Usage
- Technical Specification: In engineering contexts, "drill steel" often implies a steel grade with specific properties like high hardness, wear resistance, and the ability to withstand impact and torsional stress.
- The specifications call for a high-carbon drill steel with a Rockwell hardness of at least 45.
Variants and Related Words
- Drill rod: A term sometimes used interchangeably with "drill steel" to describe the steel rods used in percussive drilling.
- The drill rod snapped under extreme pressure.
- Rock drill bit: The actual cutting or crushing tool often made from drill steel.
- The rock drill bit, forged from premium drill steel, lasted through the entire excavation.
Synonyms
- Boring steel: A less common synonym referring to steel used for making drills, especially in foundational or geotechnical work.
Notes on Meaning
- Compound Noun: It is important to note that "drill steel" is a compound noun. The primary meaning is the (the steel alloy), not the finished tool. The tool is a "drill bit" or "drill rod" made drill steel.
- Industrial Context: This term is predominantly used in mining, construction, quarrying, and geotechnical engineering.
Noun
- carbon steel used for rock drills and dowels