Coated cast iron pipe or fitting for use in aggressive environments

A coated fitting comprising:

• a cast iron fitting having an inner diameter and an outer diameter;
• a fitting pretreatment applied on the inner diameter and the outer diameter of the cast iron fitting, wherein the fitting pretreatment is selected from the group consisting of zinc phosphate, iron phosphate, zirconium, and a combination thereof;
• a cathodic electrocoat on the fitting pretreatment on the inner diameter and the outer diameter;
• and
• an epoxy acrylic powder coat on the cathodic electrocoat on the inner diameter and the outer diameter.

A method comprising:

• providing a cast iron pipe having an inner diameter and an outer diameter,
• coating the cast iron pipe with a pipe pretreatment,
• electrocoating the pretreated pipe with a cathodic primer coat,
• hot curing the cathodic primer coat in an oven, and
• coating the hot cured pipe with an anodic top coat.

A method comprising:

• providing a cast iron fitting,
• coating the cast iron fitting with rust inhibiting pretreatment,
• electrocoating the pretreated fitting with a cathodic primer coat,
• hot curing the cathodic primer coat in an oven, and
• coating the hot cured fitting with an epoxy acrylic powder coat.