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COATING EQUIVALENCIESbailey Metal Processing Limited.

Galvanized - Automotive
Generic
Coating
Designation		 Minimum per side Maximum per side GM
6185M		 Minimum per side Maximum per side GM
GMW8 ST		 Minimum per side Maximum per side Ford
WSS-M1P94-A		 Minimum per side Maximum per side
oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m²
20 20 0.070 20 0.160 50
30 30G/30G 0.100 30 0.229 70 30 0.100 30 0.200 60
40 40G/40G 0.130 40 0.262 80 40 0.130 40 0.230 70
45 45 0.150 45 0.250 75
50 50G/50G 0.160 50 0.311 95 50 0.160 50 0.260 80
55 55 0.180 55 0.280 85
60 60G/60G 0.200 60 0.360 110 60 0.200 60 0.300 90
70 70G/70G 0.230 70 0.393 120 70G/70G 0.229 70 0.393 120 70G/70G 0.229 70 0.328 100 70 0.230 70 0.320 100
80 80G/80G 0.260 80 0.426 130
90 90G/90G 0.300 90 0.459 140 90G/90G 0.300 90 0.492 150 90G/90G 0.300 90 0.393 120
98 98G/98G 0.320 98 0.524 160 98 0.330 98 0.430 130

Galvannealed - Automotive
Chrysler
MS-6000		 Minimum per side Maximum per side GM
6185M		 Minimum per side Maximum per side GM
GMW8 ST		 Minimum per side Maximum per side Ford
WSS-M1P94-A		 Minimum per side Maximum per side
oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m² oz/ft² g/m²
20 20 0.070 20 0.160 50
30 30 0.100 30 0.200 60
40 40 0.130 40 0.230 70
45 44A/44A 0.470 45 0.246 75 45A/45A 0.147 45 0.246 75 45A/45A 0.147 0.45 0.196 60 45 0.150 45 0.250 75
50 50 0.160 50 0.260 80
52 52A/52A 0.17 0.52 0.242 74
55 55 0.180 55 0.280 85
60 60 0.200 60 0.300 90
70 70 0.230 70 0.320 100
98 98 0.330 98 0.430 130

Galvanized - Non - Automotive
Standard Coating Designation Metric Coating Designation Minimum Triple Spot - Both Side Minimum Single Spot - Total One Side Minimum Single Spot - Total Both Sides
oz/ft² g/m² oz/ft² g/m² oz/ft² g/m²
G30 Z90 0.30 90 0.10 30 0.25 75
G40 Z120 0.40 120 0.12 36 0.30 90
G60 Z180 0.60 180 0.20 60 0.50 150
G90 Z275 0.90 275 0.32 94 0.80 235
G115 Z350 1.15 350 0.40 120 1.00 300
G140 Z450 1.40 450 0.48 154 1.20 385
G165 Z500 1.65 500 0.56 170 1.40 425
G185 Z550 1.85 550 0.64 190 1.60 475
G210 Z600 2.10 600 0.72 204 1.80 510
G235 Z700 2.35 700 0.80 238 2.00 595
G300 Z900 3.00 900 1.04 316 2.60 790
G360 Z1100 3.60 1100 1.28 390 3.20 975

Galvannealed - Non - Automotive
Standard Coating Designation Metric Coating Designation Minimum Triple Spot - Both Side Minimum Single Spot - Total One Side Minimum Single Spot - Total Both Sides
oz/ft² g/m² oz/ft² g/m² oz/ft² g/m²
A25 ZF75 0.25 75 0.08 24 0.20 60
A30 ZF90 0.30 90 0.10 30 0.25 75
A40 ZF120 0.40 120 0.12 36 0.30 90


1 oz/ft² = 305.15 g/m²
To convert from oz/ft² to g/m² multiply by 305.15
To convert coating weight to oz/ft² to thickness in inches 2 sides, multiply oz/ft² x .00168

The above detail is given as a guide only.