Oil Casing pipe
Quick Details
Standard:STM, ASTM A335-2006
Grade:Cr-Mo alloy, 35CrMo4
Thickness:6 - 9 mm
Section Shape:Round
Outer Diameter: 40 - 200 mm
material:DZ50.R70.G105.S135 etc.
Material:
High Speed Steel
Use:Well Drilling
Type:Center Drill Bit
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