Class 2 Chromium Copper (18200)

Specifications (18200)

RWMA Class 2 Copper
UNS C18200
ASTM F9
MIL C-19311

Class 2 Alloy is a superior resistance welding electrode material specifically recommended for high level production spot and seam welding of clean mild steel, low ally steel, low conductivity brasses and bronzes.

Suitable for projection welding dies, seam welder shafts and bearings, flash and butt dies and current carrying structural members.

Available as high strength and high electrical conductivity casting for such use as gun welder arms, welder platen and secondary structural members.  Class 2 is also heat treatable.

round
	diameter	1/8" 3/16" 1/4" 5/16" 3/8" 7/16" .4820" 1/2" 9/16" 5/8" 3/4" 7/8" 1 " 1 1/8" 1 1/4" 1 3/8" 1 1/2" 1 5/8" 1 3/4" 2 " 2 1/4" 2 1/2" 2 3/4" 3 " 3 1/8" 3 1/4" 3 1/2" 3 5/8" 4 1/8" 5 1/8" 6 1/8" 7 1/8" 8 1/8" 9 1/8" 10 1/8" 12 1/8"
	length	inches
	Qty:
rectangular
	size	1/4" x 1/2" 1/4" x 3/4" 1/4" x 1 " 1/4" x 1 1/2" 1/4" x 2 " 3/8" x 3/4" 3/8" x 1 " 3/8" x 1 1/2" 3/8" x 2 " 1/2" x 3/4" 1/2" x 1 " 1/2" x 1 1/2" 1/2" x 2 " 1/2" x 2 1/2" 1/2" x 3 " 1/2" x 4 " 5/8" x 3/4" 5/8" x 1 " 5/8" x 1 1/2" 5/8" x 2 " 3/4" x 1 " 3/4" x 1 1/2" 3/4" x 1 3/4" 3/4" x 2 " 3/4" x 2 1/2" 3/4" x 3 " 3/4" x 4 " 1 " x 1 1/2" 1 " x 2 " 1 " x 2 1/2" 1 " x 3 " 1 " x 4 " 1 1/2" x 2 " 1 1/2" x 3 "
	length	inches
	Qty:
square
	size	3/8" 1/2" 5/8" 11/16" 3/4" 1 " 1 1/4" 1 1/2" 2 "
	length	inches
	Qty:
hexagonal
	size	3/8" 1/2" 5/8" 3/4" 7/8" 1 " 1 1/8" 1 1/4" 1 3/8"
	length	inches
	Qty:
plate
	thickness	1/8" 1/4" 3/8" 1/2" 3/4" 1 " 1 1/4" 1 1/2" 1 3/4" 2 " 2 1/4" 2 1/2" 3 " 4 " 5 "
	width	inches
	length	inches	Qty: