Hot Dipping ASTM A653 Galvanized Sheet

The hot dipping process consists of passing the steel through a bath of molten zinc, while the electro-galvanizing process consists of the application of zinc through electrolytic disposition.  The result is a layer of zinc tightly adhering to the base metal through an iron-zinc bonding layer.  Our hot dipped galvanized products are manufactured to ASTM A653 specifications.

Gauge No.	Thickness inches.	lbs. per sq. ft.
Dec. Equiv.	Tol. Rnge.	Weight Equiv.
10	.1382	.1472 .1292	5.78125
11	.1233	.1323 .1143	5.15625
12	.1084	.1174 .0994	4.53125
13	.0934	.1014 .0854	3.90625
14	.0785	.0865 .0705	3.28125
15	.0710	.0770 .0650	2.96875
16	.0635	.0695 .0575	2.65625
17	.0575	.0625 .0525	2.40625
18	.0516	.0566 .0466	2.15625
19	.0456	.0506 .0406	1.90625
20	.0396	.0436 .0356	1.65625
21	.0366	.0406 .0326	1.53125
22	.0336	.0376 .0296	1.40625
23	.0306	.0346 .0266	1.28125
24	.0276	.0316 .0236	1.15625
25	.0247	.0287 .0207	1.03125
26	.0217	.0247 .0187	.90625
27	.0202	.0232 .0172	.84375
28	.0187	.0217 .0157	.78125
29	.0172	.0202 .0142	.71875
30	.0157	.0187 .0217	.65625

Galvanized steel is a hot-dipped coated metal that provides customers with better resistance to corrosive environments.

To create galvanized steel, cold rolled steel is submerged into a molten zinc bath, known as the hot-dip process (galvanization can also be achieved through continuous galvanizing). When the material is removed from the zinc bath and cooled a reaction to the oxygen in the air occurs. The reaction causes the zinc coating to become part of the steel creating the well-recognized spangled finish.

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