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Sandvik Materials Technology
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Rock drill steel bar
Sandvik Materials Technology

Drill steel for the manufacturing of top-hammer rock drill rods, available in four different steel grades. Sandvik hollow drill steel is characterized by a number of properties that enable efficient production. For example:

High fatigue strength and toughness
High resistance to wear and permanent distortion
Close tolerances (for automated manufacturing process)
A uniform response to heat treatment
Uniform straightness (eliminating the need for straightening)
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standListOtherProduct www di En 2012-06-23-04