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Understanding of Conduit Material

Standard Requirement

ANSI C80.3-2005
Clause 6.1.1

UL797
Clause 6.1.1

Standard Requirement Changing Comapare

Post-Galvanization

Zinc Coated
“AFTER”
Steel Pipe Mill

Hot-Dip Zinc Galvanization
> ASTM A123
Coating Thickness 45μm/75μm

>ISO 1461

Electro-Zinc Platting
> ASTM B653

>UL797
Clause 5.3.2
Exterior Coating Thickness

Pre-Galvanization

Zinc Coated
“BEFORE”
Steel Pipe Mill

Hot-Dip Zinc Galvanization
> ASTM B553