B-2508-100W FACED TIP

Part #: 185-1170

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Refractory metal tips are designed to withstand greater heat and pressure at the expense of some conductivity. They are used to spot weld high resistance base metals or to achieve desired heat balance when welding dissimilar materials, or for resistance brazing.

RMWA Class 2 (C18200) material - a copper, chromium material recommend for high production operations spot welding hot or cold rolled steels, galvanized and coated materials.

The overall length is 2.000 IN
The outside diameter is 0.625 IN
The part mounts via a 5RW standard taper which is suitable for weld forces ranging between 800 to 1500 pounds of force.
The B nose or Dome face tip is the most commonly used weldface because the design accomodates modest misalignment problems as contact can still be made on the radius during welding.
The weld face is 0.125 IN
The refractory metal face is RWMA Class 13 (100% tungsten) which does not alloy appreciably with non-ferrous materials. Therefore, it is commonly used for cross-wire welding of materials such as copper and brass.

Specifications

Face Refractory Material	RWMA Class 13 - 100W
Base RWMA Material Type	RWMA Class 2 - C18200
RWMA Taper	5RW
Nose Type	B
Overall Length	2.00000
Outer Diameter	0.62500
Welding Face Dia.	0.125
Refractory Metal Thickness	0.250
Unit of Measure	IN