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Hot Dipped Galvanized Steel

    Galvanized Steel is a carbon steel sheet coated with zinc on two sides. The hot dip process consists of passing the steel through a bath of molten zinc. The zinc coating is one of the most effective and economical methods for protecting bare steel from a corroding environment.

    There are countless applications for hot dipped galvanized. Almost every industry from automotive to residential construction has applications for this product due to its resistance to rust.

 

Thickness Tolerance Ranges

 

Gage No. Nominal Decimal Range Minimum Maximum
12 .108 .018 .099 .117
13 .093 .016 .085 .101
14 .079 .016 .071 .087
15 .071 .012 .065 .077
16 .064 .012 .058 .070
17 .058 .010 .053 .063
18 .052 .010 .047 .057
19 .046 .010 .041 .051
20 .040 .008 .036 .044
21 .037 .008 .033 .041
22 .034 .008 .030 .038
23 .031 .008 .027 .035
24 .028 .008 .024 .032
25 .025 .008 .021 .029
26 .022 .006 .019 .025
27 .020 .006 .017 .023
28 .019 .006 .016 .022
29 .017 .006 .014 .020
30 .016 .006 .013 .019

Source: ASTM A568Thickness Specifications

Coating Designation and Minimum Coating (ASTM A525)

Coating Designation Triple -Spot Test (oz.ft2)Max.Values Single- Spot Test (oz.ft2)Min. Values
G235 2.35 2.00
G210 2.10 1.80
G185 1.85 1.60
G165 1.65 1.40
G140 1.40 1.20
G115 1.15 1.00
G90 0.90 0.80
G60 0.60 0.50
G30 0.30 0.25
G01 NONE NONE

Note: The weight of coating in ounces per square foot refers to the total coating on both surfaces.

 

 

 

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This document maintained by RonP@lexsteel.com
Material Copyright 2000 Lexington Steel Corporation