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Sheet Thickness Tolerances for Carbon and Coated Steel

 

Hot Rolled, HR P & O, Cold Rolled

Galvanized

 

 

Tolerance Range

 

 

 

 

Gage No.

Dec.

Equiv.

HR,

P&O

 

CR

Lbs. Per

Sq. Ft.

Dec.

Equiv.

Toler.

Range

Lbs. Per

Sq. Ft.

4

.2242

.2332

.2152

 

9.375

 

 

 

5

.2092

.2182

.2002

 

8.750

 

 

 

6

.1943

.2033

.1853

 

8.125

 

 

 

7

.1793

.1873

.1713

.1873

.1713

7.500

 

 

 

8

.1644

.1724

.1564

.1724

.1564

6.875

.1681

.1771

.1591

7.031

9

.1495

.1575

.1415

.1575

.1415

6.250

.1532

.1622

.1442

6.406

10

.1345

.1425

.1265

.1405

.1285

5.625

.1382

.1472

.1292

5.781

11

.1196

.1276

.1116

.1256

.1136

5.000

.1233

.1323

.1143

5.156

12

.1046

.1126

.0966

.1106

.0986

4.375

.1084

.1174

.0994

4.531

13

.0897

.0967

.0827

.0947

.0847

3.750

.0934

.1014

.0854

3.906

14

.0747

.0817

.0677

.0797

.0697

3.125

.0785

.0865

.0705

3.281

15

.0673

.0733

.0613

.0723

.0623

2.813

.0710

.0770

.0650

2.969

16

.0598

.0658

.0538

.0648

.0548

2.500

.0635

.0695

.0575

2.656

17

.0538

.0598

.0478

.0578

.0498

2.250

.0575

.0625

.0525

2.406

18

.0478

.0528

.0428

.0518

.0438

2.000

.0516

.0566

.0466

2.156

19

.0418

 

.0458

.0378

1.750

.0456

.0506

.0406

1.906

20

.0359

 

.0389

.0329

1.500

.0396

.0436

.0356

1.656

21

.0329

 

.0359

.0299

1.375

.0366

.0406

.0326

1.531

22

.0299

 

.0329

.0269

1.250

.0336

.0376

.0296

1.406

23

.0269

 

.0299

.0239

1.125

.0306

.0346

.0266

1.281

24

.0239

 

.0269

.0209

1.000

.0276

.0316

.0236

1.156

25

.0209

 

.0239

.0179

.875

.0247

.0287

.0207

1.031

26

.0179

 

.0199

.0159

.750

.0217

.0247

.0187

.906

27

.0164

 

.0184

.0144

.688

.0202

.0232

.0172

.844

28

.0149

 

.0169

.0129

.625

.0187

.0217

.0157

.781

29

 

 

 

 

.0172

.0202

.0142

.719

30

 

 

 

 

.0157

.0187

.0127

.656

 

 

 

 

                

 

 

 


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