Heat-treated steel alloy wireline drill rods, and method of...

Details Heat-treated steel alloy wireline drill rods, and method of... Heat-treated steel alloy wireline drill rods, and method of...

C - Chemistry, Metallurgy

21

D

148/55

C21D 9/28 (2006.01)

Patent

CA 1207643

HEAT TREATED STEEL ALLOY WIRELINE DRILL RODS, AND METHOD OF MAKING THE SAME ABSTRACT Unitary heat-treated steel alloy wireline drill rods are manufactured by heating the tubing therein at both ends and then quenching the same in order to obtain the desired hardness for the ends thereof.

446710

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