Cathodic protection coupons are a simple, size-specific piece of metal with one or more wires attached and are used for evaluating corrosion control or cathodic protection systems protecting a structure, typically a steel pipeline. These measurments includes:
Coupons are provided in a variety of size ranges depending on the application. Currently, the two most popular sizes are 1 cm2 and 10 cm2. In addition to the coupon size, there are different physical configurations as well.
The "Flathead-10" steel coupon is a 10 cm2 coupon made from 1018 alloy steel. The steel coupon is flush mounted inside a durable PVC housing. This coupon includes a specified length of #12 AWG stranded copper cable with RHH/RHW direct burial insulation, typically green in color.
Coupon Ordering Information