Galvanized iron wire can be classified into hot-dipped galvanized iron wire and electro galvanized wire according to the differences of processing.

Sizes of hot-dipped galvanized wire: 8# to 36#(wire diameter ranging from 3.8mm to 0.19mm)
Sizes of electro galvanized wire: 8# to 38# (wire diameter ranging from 3.8mm to 0.15mm)

Applications of galvanized wire: Communication devices, medical treatment equipment, weaving of wire mesh, making of brushes, steel rope, filter wire mesh, high pressure pipes, construction, arts and crafts, etc.

Galvanized wire, steel wire, annealed wire
wire gauge size	SWG(mm)	BWG(mm)	metric(mm)
8	4.06	4.19	4.00
9	3.66	3.76	-
10	3.25	3.40	3.50
11	2.95	3.05	3.00
12	2.64	2.77	2.80
13	2.34	2.41	2.50
14	2.03	2.11	-
15	1.83	1.83	1.80
16	1.63	1.65	1.65
17	1.42	1.47	1.40
18	1.22	1.25	1.20
19	1.02	1.07	1.00
20	0.91	0.89	0.90
21	0.81	0.813	0.80
22	0.71	0.711	0.70