03
2020
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03
Classification of Drill Products in Chinese Market and Type and Output of Drill Hanging Steel Products
At present, there are about 200 manufacturers in China's brazing steel and brazing tools production industry, and there are few enterprises with large production scale and supporting capacity, mainly small enterprises.
Classification of Drill Products in Chinese Market and Type and Output of Drill Hanging Steel Products
From the brazing steel brazing tool association paper
Image source: Baidu
At present, there are about 200 manufacturers in China's brazing steel and brazing tools production industry, and there are few enterprises with large production scale and supporting capacity, mainly small enterprises.
The main types of 1. drilling products are
1. Hollow steel for rock drilling
2, light rock drill with drilling tools
3. Drilling tools for hydraulic rock drilling and drilling vehicles
4. Drilling tools for down-the-hole drilling rig
5. Mining tooth wheel drilling tools
6. Drilling tools for metallurgical furnace
7. Various pick drilling tools
8. Various shield machine tools, etc.
A total of eight series of types of drilling tool products.
Hollow steel products for rock drilling in 2.
1. Light-duty rock drill rod with hollow steel
Specifications: H19mm, H22mm, a small amount of H25mm, a small amount of diamond hollow steel.
Material: 55SiMnMo, 40SiMnCrNiMo (Z708), 95CrMo55-60Si2Mn
Output: about 8-100000 tons/year
2. Guide-rail type pneumatic rock drill with hollow steel for rod connection;
Specifications: D32mm,
Material: 35SiMnMoV 55SiMnMo 20CrMnTi and other materials
Output: about 2000 tons/year
3. Hole steel for drill rod of hydraulic drill
Specifications: H 28mm H32mm. D 32mm H35m D38mm, D45mm. D51mm and D 56mm D 060mm 64mm
Material: 20-22CrNi3Mo, 24 SiMnNi2CrMo(FF-710)
Output: about 8000 -9000 tons/year
4 hollow steel for metallurgical furnace drilling tools
Specifications: D32, D38, D45.
Material: 45#, 42Mn 55SiMnMo, other alloy structural steel
Output: The output of hollow steel production enterprises is about 7000-7500 tons/year. Among them, the number of hollow steel with D38mm diameter is the largest.
In addition, some domestic steel pipe production enterprises supply D38 diameter thick wall pipe, the number is unknown.
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