Galvanized steel

ASTM A 653/A653 M-97 Standard Specification for Steel Sheet , Zinc-Coated (Galvanized) or Zink-Iron Alloy-Coated(Galvannealed) by the Hot-Dip Process

2-Weight of coating (Total both sides)

Type

Coating designation

Minimum Requirement

Triple - Spot Test

Single - Spot Test

Total both Sides
Oz/ft2		g/m2

One Side
Oz/ft2		g/m2

Total both Sides
Oz/ft2		g/m2

Zink

G360

G300

G235

G210

G185

G165

G140

G115

G90

G60

G40

G30

G01

3.60		1100
3.00		900
2.35		717
2.10		640
1.85		564
1.65		503
1.40		427
1.15		351
0.90		275
0.60		183
0.40		122
0.30		92
No Minimum

1.28		390
1.04		316
0.80		238
0.72		225
0.64		198
0.56		177
0.48		150
0.40		124
0.32		97
0.20		65
0.12		43
0.10		33
No Minimum

3.20		975
2.60		790
2.00		610
1.80		549
1.60		488
1.40		427
1.20		366
1.00		305
0.80		244
0.50		152
0.30		91
0.25		76
No Minimum

Zink-iron alloy

A60

A40

A25

A01

0.60		183
0.40		122
0.25		76
No Minimum

0.20		65
0.12		43
0.08		27
No Minimum

0.50		152
0.30		91
0.20		61
No Minimum

3-Coating Bend test (Number of pieces of same thickness used in coating bend test)

Ratio of the inside bend diameter to thickness of the specimen(Any Direction)

Coating designation

CS,FS,DDS,EDDS

SS,Grade

Sheet Thickness

Through 0.039in.

Over 0.039 through 0.079in.

Over 0.079in.

G235

G210

G185

G165

G140

G115

G90

G60

G40

G30

G01

2
2
2
2
1
0
0
0
0
0
0

3
2
2
2
1
0
0
0
0
0
0

3
2
2
2
2
1
1
0
0
0
0

3
2
2
2
2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2
1 1/2

3
2
2
2
2
2
2
2
2
2
2

2 1/2

HSLAS Type A

HSLAS Type B

G115

G90

G60

G40

G30

G01

1 1/2

4-WEIGHT TOLERANCES(cOILS AND CUT LENGTHS , NOT RESQUARED)

Specified Width, in.

Tolerance Over specified width, No tolerance under, in.

Over

Through

3/8

3/16

1/4

5/16

Specified Width, mm

Tolerance Over specified width, No tolerance under, mm.

Over

Through

300

600

1200

1500

600

1200

1500

1800