SHEET THICKNESS TOLERANCES
Sheet weights are based on ordered thickness
at 41.82 pounds per square foot per inch thick

Gauge
No.

Hot Rolled, HR P&O, Cold Rolled

Galvanized

Dec.
Equiv.

Tolerance Range
HR P&O     CR    

Lbs. per
Sq.Ft.

Dec.
Equiv.

Tolerance
Range

Lbs. per
Sq.Ft.

4

.2242

.2332
.2152

9.376

5

.2092

.2182
.2002

8.748

6

.1943

.2033
.1853

8.125

7

.1793

.1873
.1713

7.498

8

.1644

.1724
.1564

6.875

9

.1495

.1575
.1415

6.252

10

.1345

.1425
.1265

.1405
.1285

5.624

.1382

.1472
.1292

5.779

11

.1196

.1276
.1116

.1256
.1136

5.001

.1233

.1323
.1143

5.156

12

.1046

.1126
.0966

.1106
.0986

4.374

.1084

.1174
.0994

4.533

13

.0897

.0967
.0827

.0947
.0847

3.751

.0934

.1014
.0854

3.906

14

.0747

.0817
.0677

.0797
.0697

3.124

.0785

.0865
.0705

3.283

15

.0673

.0733
.0613

.0723
.0623

2.814

.0710

.0770
.0650

2.969

16

.0598

.0658
.0538

.0648
.0548

2.501

.0635

.0695
.0575

2.655

17

.0538

.0598
.0478

.0578
.0498

2.250

.0575

.0625
.0525

2.405

18

.0478

.0528
.0428

.0518
.0438

1.999

.0516

.0566
.0466

2.158

19

.0418

.0458
.0378

1.748

.0456

.0506
.0406

1.907

20

.0359

.0389
.0329

1.501

.0396

.0436
.0356

1.656

21

.0329

.0359
.0299

1.376

.0366

.0406
.0326

1.531

22

.0299

.0329
.0269

1.250

.0336

.0376
.0296

1.405

23

.0269

.0299
.0239

1.125

.0306

.0346
.0266

1.280

24

.0239

.0269
.0209

.999

.0276

.0316
.0236

1.154

25

.0209

.0239
.0179

.874

.0247

.0287
.0207

1.033

26

.0179

.0199
.0159

.749

.0217

.0247
.0187

.907

27

.0164

.0184
.0144

.686

.0202

.0232
.0172

.845

28

.0149

.0169
.0129

.623

.0187

.0217
.0157

.782

29

.0172

.0202
.0142

.719

30

.0157

.0187
.0127

.657

1401 Lunt Avenue
Elk Grove Village, IL 60007
phone  773.283.2201
fax  773.283.5699