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Address : No. 35, Ankang Road, Dayushan Industrial Park, Lianshan District, Huludao City, Liaoning Province, China.
phone : 0429-6883611
mailbox : reclimbing@163.com
Reclimbing (Huludao) Technology Co., Ltd. "Telecommunications and Information Services Business License of the People's Republic of China" Liao ICP No. 20006421號-1 Webmaster Statistics
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How to producehollow steel for drill rods?
The processes of hollow steel for drill rods are as follow:
-smelted by an electric furnace
-refined by an LF furnace
-cast by a bloom caster
-rolling intermediate billet by a blooming mill
-drilling the central hole by a deep hole drilling machine
-adding mandrel
- rolledby a semi-continuous rolling mill
- controlled cooling
- quality inspection
- cut to certain length
- transferred tothe production line of drill rods.
