Rankin Industries has introduced NON-MAG 1™, a metal cored sub arc wire containing Nickel, Chrome, Manganese, and Silicon that's microstructure is fully austenitic and non-magnetic and is designed to band non-magnetic down hole tools and equipment.
Applications for NON-MAG 1™ include down hole survey equipment that is non-magnetic such as drill collars, and directional drill heads where they house sensitive electronic equipment to find locations or mapping.
Amperage 275-300 (WFS 290-300 ipm)
Voltage 30-31 DCRP (Electrode Positive)
Sub-Arc Use Lincoln 880 or 801 flux
Wire Extension 1.0" - 1.250" x 1" wide osc beads
Torch Angle 20 degrees x 7/8" (BTDC) lead distance
Travel Speed 13-15 ipm
Hardness (two layers) HRC 18-22
Abrasion Resistance Excellent
Impact Resistance Very High
Coefficient of Friction Low
Machinability 60-65 SFM
Thickness 1-2 layers OK
(multiple layers with proper procedures)
Deposit Appearance No cracking/very ductile/non-magnetic