Cor-Ten Steel Overview

What is Cor-Ten Steel? 

Natrl-RustCor-Ten steel, known as weathered steel, is fabricated from a group of alloyed metals. It is composed of copper, chromium, and nickel alloys. Cor-Ten steel forms a protective rust layer when exposed to atmospheric elements over time. The surface layer corrodes to hinder further corrosion, which maintains steel strength. Gemini’s Cor-Ten letters and logos come in two thicknesses, 1/8 inch and 1/4 inch.

Note: Cor-Ten cannot be painted or clear-coated as the surface layer will change over time. Read our note about our Cor-Ten steel finish before you order.

 

When you order flat cut metal in Cor-Ten, it is cut and shipped in its natural state. Cor-Ten is naturally silver in appearance. Achieving a weathered look requires time and exposure to atmospheric elements. Every letter and logo may not appear the same due to the sign location and duration of element exposure. 

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Natural State

Image includes a Cor-Ten panel with flat cut aluminum letters.

Exposed to elements over time

 

 

Caution: Due to the surface rust layer, we do not recommend mounting Cor-Ten letters and logos to stainable surfaces. Read our note about our Cor-Ten steel finish before you order.

More About Flat Cut Metal Letters and Logos


Product Overview

Product Specifications, Mounting, and Installation

Project Examples

Pricing

Product Warranty

Chamfered and Eased Edge

Premium Finishes

Design Guide

 


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