Expanded Metal is manufactured in 2 ways - Flattened and Raised. Raised Expanded metal, also referred to as standard expanded metal, is the format of steel, aluminum or stainless steel after it has been put through the expanding press. The shearing and stretching of the expanding process creates strands and bonds that are set at a uniform angle to the plane on the sheet. This adds strength and rigidity to the material, while providing a directional skid-resistant surface. Flattened Expanded metal is manufactured by passing the raised expanded sheet through a cold roll flattening press. This flattens the strands and bonds surface, reducing the thickness (gauge) and elongating the pattern. Expanded Grating is milled in a similar manner to expanded metal. The difference is in the thickness (gauge) of the strand. Expanded grating, because of the thicker strand gauge, has better load bearing characteristics and therefore lends itself to a wider variety of applications.

Grating Terminology

Expanded Metal - Flat

Flat Steel Spec Sheet

Flat Steel - 0.1875 - #20

Flat Steel - 0.1875 - #22

Flat Steel - 0.25 - #18

Flat Steel - 0.25 - #20

Flat Steel - 0.3125 - #18

Flat Steel - 0.50 - #13

Flat Steel - 0.50 - #16

Flat Steel - 0.50 - #18

Flat Steel - 0.50 - #20

Flat Steel - 0.75 - #16

Flat Steel - 0.75 - #13

Flat Steel - 0.75 - #9

Flat Steel - 0.75 - #10

Flat Steel - 1.00 - #10L

Flat Steel - 1.00 - #12

Flat Steel - 1.00 - #14

Flat Steel - 1.00 - #16

Flat Steel - 1.50 - #9

Flat Steel - 1.50 - #10L

Flat Steel - 1.50 - #13

Flat Steel - 1.50 - #14

Flat Steel - 1.50 - #16

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Flat 304 Stainless Steel Spec Sheet

Flat 304 Stainless Steel - 0.1875 - #22

Flat 304 Stainless Steel - 0.25 - #18

Flat 304 Stainless Steel - 0.50 - #13

Flat 304 Stainless Steel - 0.50 - #16

Flat 304 Stainless Steel - 0.50 - #18

Flat 304 Stainless Steel - 0.75 - #9

Flat 304 Stainless Steel - 0.75 - #13

Flat 304 Stainless Steel - 0.75 - #16

Flat 304 Stainless Steel - 0.75 - #18

Flat 304 Stainless Steel - 1.50 - #9

Flat 304 Stainless Steel - 1.50 - #13

Flat 304 Stainless Steel - 1.50 - #16

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Flat 316 Stainless Steel Spec Sheet

Flat 316 Stainless Steel - 0.1875 - #22

Flat 316 Stainless Steel - 0.50 - #13

Flat 316 Stainless Steel - 0.50 - #16

Flat 316 Stainless Steel - 0.75 - #9

Flat 316 Stainless Steel - 0.75 - #13

Flat 316 Stainless Steel - 1.50 - #13

Flat 316 Stainless Steel - 1.50 - #16

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Flat Aluminum Spec Sheet

Flat Aluminum - 0.50 - 0.051

Flat Aluminum - 0.50 - 0.081

Flat Aluminum - 0.75 - 0.051

Flat Aluminum - 0.75 - 0.081H

Flat Aluminum - 0.75 - 0.081L

Flat Aluminum - 0.75 - 0.125

Flat Aluminum - 0.75 - 0.188

Flat Aluminum - 1.50 - 0.081

Flat Aluminum - 1.50 - 0.125

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Expanded Metal - Raised

Raised Steel Spec Sheet

Raised Steel - 0.1875 - #20

Raised Steel - 0.1875 - #22

Raised Steel - 0.25 - #18

Raised Steel - 0.25 - #20

Raised Steel - 0.3125 - #18

Raised Steel - 0.50 - #13

Raised Steel - 0.50 - #16

Raised Steel - 0.50 - #18

Raised Steel - 0.50 - #20

Raised Steel - 0.75 - #9

Raised Steel - 0.75 - #10

Raised Steel - 0.75 - #13

Raised Steel - 0.75 - #16

Raised Steel - 1.0 - #10H

Raised Steel - 1.0 - #10L

Raised Steel - 1.0 - #12

Raised Steel - 1.0 - #14

Raised Steel - 1.0 - #16

Raised Steel - 1.5 - #6

Raised Steel - 1.5 - #9

Raised Steel - 1.5 - #10H

Raised Steel - 1.5 - #10L

Raised Steel - 1.5 - #13

Raised Steel - 1.5 - #16

Raised Steel - 1.5 - #18

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Raised 304 Stainless Steel Spec Sheet

Raised 304 Stainless Steel - 0.1875 - #22

Raised 304 Stainless Steel - 0.25 - #18

Raised 304 Stainless Steel - 0.50 - #13

Raised 304 Stainless Steel - 0.50 - #16

Raised 304 Stainless Steel - 0.50 - #18

Raised 304 Stainless Steel - 0.75 - #9

Raised 304 Stainless Steel - 0.75 - #13

Raised 304 Stainless Steel - 0.75 - #16

Raised 304 Stainless Steel - 0.75 - #18

Raised 304 Stainless Steel - 1.5 - #9

Raised 304 Stainless Steel - 1.5 - #13

Raised 304 Stainless Steel - 1.5 - #16

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Raised 316 Stainless Steel Spec Sheet

Raised 316 Stainless Steel - 0.1875 - #22

Raised 316 Stainless Steel - 0.50 - #13

Raised 316 Stainless Steel - 0.50 - #16

Raised 316 Stainless Steel - 0.75 - #9

Raised 316 Stainless Steel - 0.75 - #13

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Raised Aluminum Spec Sheet

Raised Aluminum - 0.50 - 0.051

Raised Aluminum - 0.50 - 0.081

Raised Aluminum - 0.75 - 0.0188

Raised Aluminum - 0.75 - 0.051

Raised Aluminum - 0.75 - 0.081H

Raised Aluminum - 0.75 - 0.081L

Raised Aluminum - 0.75 - 0.125

Raised Aluminum - 1.5 - 0.081

Raised Aluminum - 1.5 - 0.125

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Expanded Grating

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