MILLS ROLLING SHAPE.

Size of Angle.

Weight per

Yard.

Actual Length of Lege.

Thickness.

Area of each Leg.

Total Area.

(a)

Asia Parallel to One Side.

Axis at 450.

Moment of

Intertia

(r)

Moment of Resistance

(r)

Square of Redius of Gyration.

(ρ2)

Dletenceof Centre of Gravity from Base.

Transverse Value (v) in lbs.

Moment of

Intertia.

(r)

Square of

Radius of

Gyration.

(ρ2)

For Iron.

For Steel.

C,E.........

6

x

6

110

6.562

1

5.50

11.

35.46

7.54

3.24

1.860

60350

75400

15

1.37

A,B,C,D,E...

6

x

6

97.3

6.375

.875

4.805

9.73

31.91

7.01

3.28

1.820

56100

70100

13.10

1.34

A,B,C,D,E.F.

6

x

6

57.5

6

.500

2.875

5.75

19.91

4.61

3.46

1.685

36900

46100

7.75

1.35

B,C.........

6

x

6

50.3

6

.438

2.515

5.03

17.22

3.90

3.42

1.580

31200

39000

6.77

1.35

C...........

5

x

5

90

5.562

1

4.50

9

19.64

4.97

2.19

1.610

39760

49700

8.67

.96

B,C,F.......

5

x

5

62

5.282

.688

3.10

6.20

14.70

3.94

2.37

1.550

31550

39400

6.07

.98

B,C.........

5

x

5

37

5.

.406

1.85

3.70

9.35

2.64

2.52

1.460

21100

26400

3.77

1.02

A...........

4 1/2

x

4 1/2

61.9

4.812

.750

3.095

6.19

11.20

3.28

1.80

1.396

26250

32800

4.88

.772

A...........

4 1/2

x

4 1/2

37.5

4.500

.438

1.875

3.75

7.20

2.24

1.92

1.286

18000

22400

2.65

.707

A,C,E,F. ...

4

x

4

54.4

4.375

.750

2.72

5.44

7.66

2.47

1.40

1.271

19800

24700

3.45

.634

B,A.C,E,F...

4

x

1

51.6

4.313

.688

2.58

5.16

7.18

2.82

1.39

1.220

18550

23200

3.01

.624

A,B,C,D,E.F.

4

x

1

28.6

4

.375

1.43

2.80

4.36

1.52

1.52

1.138

12200

15200

1.86

.650

E...........

3 1/2

x

3 1/2

51

3.875

.750

2.55

5.10

6.38

2.40

1.21

1.220

19200

24000

2.40

.470

A,B,C,E,F...

3 1/2

x

3 1/2

43.4

3.813

.688

2.17

4.34

4.68

1.74

1.08

1.122

18920

1 7400

2.04

.470

A,B,C,D,E,F.

3 1/2

x

3 1/2

24.8

3.500

.375

1.24

2.48

2.86

1.15

1.15

1.013

9200

11500

1.20

. 184

B...........

3 1/2

x

3 1/2

20.5

3.500

.313

1.025

2.05

2.30

.90

1.12

.930

7200

9000

.95

162

A,C,E,F

3

x

3

36.5

3.438

.688

1.825

3.65

2.77

1.13

.76

.996

9040

11300

1.05

338

B,A,C,D,E,F.

3

x

3

28.1

3.250

.500

1.405

2.81

2.23

.90

.79

.930

7680

9600

.95

.336

A,B,C.......

3

x

3

14.4

3

.250

.72

1.44

1.24

.58

.86

.842

4640

5800

.52

.361

A,B,C,D,E...

2 3/4

x

2 3/4

27.7

3

.563

1.385

2.77

1.83

.79

.66

.887

G320

7900

.61

.300

A,B,C,E.....

2 3/4

x

2 3/4

10.2

2.750

.313

.81

1.62

1.15

.59

.71

.802

4 720

5900

.50

.309

C,B.........

2 3/4

x

2 3/4

13.1

2.750

.250

.655

1.81

.95

.48

.72

.780

3840

4800

.39

.303

B,E,F.......

2 1/2

x

2 1/2

23.0

2.781

.500

1.18

2.30

1.22

,61

.52

.770

4880

6100

.52

.221

A,B,C,D,E,F.

2 1/2

x

2 1/2

22.5

2.750

.500

1.125

2.25

1.28

.60

.57

.806

5280

6600

.51

.227

A,B,C,D,E,F.

2 1/2

x

2 1/2

11.9

2.500

.250

.595

1.19

.70

.39

.59

.717

3120

3900

.30

.252

B................

2 1/2

x

2 1/2

10.5

2.500

.219

.525

1.05

.02

.34

.59

.700

2720

3400

.25

.240

B,E,F.......

2 1/4

x

2 1/4

18.3

2.500

.438

.915

1.88

.82

.46

.45

.740

3680

4600

.35

.194

A,B,C,D,E,F.

2 1/4

x

2 1/4

17.8

2.438

.438

.89

1.78

.78

.45

.44

.720

3600

4500

.35

.197

A,B,C,D,E,F.

2 1/4

x

2 1/4

10.6

2.250

.250

.53

1.00

.50

.31

.47

.654

2480

3100

.22

.208

B...........

2 1/4

x

2 1/4

8

2.250

.188

.40

.80

.40

.26

.50

.690

2080

2600

.17

.212

F...........

2

x

2

10.2

2.250

.500

.96

1.92

.78

.51

.38

.730

4080

5100

.28

.150

A,B,C,D,E,F.

2

x

1

13.6

2.156

.375

.68

1.36

.45

.30

.33

.634

2400

3000

.21

.154

A,B,C,D,E,F.

2

x

2

9.4

2

.219

.47

.94

.31

.22

.33

.580

1765

2200

.13

.158

C,B.............

2

x

2

7.1

2

.188

.355

.71

.27

.19

.88

.570

1520

1900

.11

.160

E,F.........

1 3/4

x

1 3/4

15

2

.438

.75

1.50

.48

.35

.31

.640

2800

3500

.18

.120

A,B,C,D,E.F.

1 3/4

x

1 3/4

10

1.875

.313

.50

1

.27

.20

.27

.550

1600

2000

.12

. 120

A,B,C,D,E,F.

1 3/4

x

1 8/4

6.21

1.750

.188

31

.62

.18

.15

.29

.507

1200

1500

.08

.129

C,E,F............

1 1/2

x

1 1/2

9.80

1.688

.375

.49

.98

.19

.17

.19

.510

1360

1700

.09

.096

A,C,E,F.....

1 1/2

x

1 1/2

8.40

1.625

.313

.42

.84

.16

.14

.19

.487

1120

1400

.07

.083

B,A,C,E,F...

1 1/2

x

1 1/2

7.10

1.594

.250

.355

.71

.14

.12

.19

.450

960

1200

.06

.081

A,B,C,D,E,F.

1 1/2

x

1 1/2

5.27

1.500

.188

.265

.53

.11

.10

.21

.444

800

1000

.05

.094

B,D.........

1 1/2

x

1 1/2

4.40

1.500

.156

.22

.44

.09

.085

.21

.440

680

850

.04

.081

F...........

1 1/4

x

1 1/4

7.50

1.438

.313

.375

.75

.123

.126

.152

.460

1010

1260

.05

.070

A,C,E,F,

1 1/4

x

1 1/4

5.63

1.375

.250

.28

.56

.077

.079

.138

.404

632

790

.04

.071

A,B.C,D,E,F.

1 1/4

x

1 1/4

3

1.250

.125

.15

.30

.044

.050

.147

.358

400

500

.02

.067

A,C,F.......

1

x

1

4.40

1.125

.250

.22

.44

.037

.047

.084

.340

376

470

.02

.045

B.A.C,D,E,F.

1

x

1

3.60

1.063

.188

.18

.36

.030

.040

.084

.310

320

400

.01

.040

A,B,C,D,E,F.

1

x

1

2.30

1

.125

.115

. 23

.022

.031

.096

.296

250

310

.01

.043

A,F.........

7/8

x

7/8

2.93

.938

.188

.145

.29

.019

.029

.066

.286

232

290

...

...

A,F.........

7/8

x

7/8

2.03

.875

.125

.100

20

.014

.023

.070

.264

184

230

...

...

A,F.........

3/4

x

3/4

2.40

.813

.188

.125

.25

.012

.021

.048

.254

168

210

...

...

A,F.........

3/4

x

3/4

1.72

.750

.125

.085

.17

.009

.017

.053

.233

136

170

....

....

Parallel to Short egto Long Leg.

Moment of Resistance

(r)

Square of Radius of Gyration.

(ρ2)

Distance of Centre of

Square of Radius of Gyration.

(ρ2)

Distance of Centre of Gravity from Base.

Transverse Value (v) in lbs.

For Iron.

For Steel

0.72

4.80

2.

.77

.96

20880

26100

6.82

4.88

2.

.85

.82

15680

19600

8.25

4.08

2.

1.17

1.13

25680

32100

6.87

4.24

2.

1.19

1 .03

21600

27000

4.07

4.33

2.

1 .32

.91

14000

17500

7

3.42

2.

1.19

1.17

25360

31700

5.75

3.53

2.

1.25

1.08

21450

26800

3.83

3.70

1.

1.34

.96

14720

18400

3.40

3.72

2

1.37

.97

13200

16500

6.79

3.46

2.

.85

1.01

18880

23600

4.92

3.57

2.

.92

.90

14480

18100

3.24

3.72

2.

1

.82

10100

12600

4 .09

2.99

1.9

.94

.91

14000

17500

2.75

3.13

1.8:

1.10

.82

9 760

122oo

4.68

2.28

1.

1.28

1.25

24000

30000

3.49

2.40

l.

1.37

1.11

18480

23100

2.33

2.53

l.

1.44

1.04

12400

15500

3.82

2.39

1.

.93

.99

14880

18600

2.30

2.55

l.

1.05

.86

9680

.12100

2.03

2.59

l.8

1.06

.79

8560

10 700

3.72

2.40

l.8

.64

.84

11040

13800

3.32

2.43

l.8

.66

.81

10000

12500

1.88

2.56

1 .6

.72

.74

6160

7 700

3.81

2.10

1.8

. 77

.94

14800

18500

2.66

1.96

l.5

.67

.83

9600

12000

1.83

2.05

1.-

.74

.74

7040

8800

3.08

1.66

1.4

1.21

1.16

20000

25000

1 .99

1.49

1.:

1.06

.99

12480

15600

1.43

1.56

1.]

1.10

.89

9120

11400

3

1.69

l.6

.86

.99

14400

18000

1.97

1 54

l.

.74

.86

9120

11400

1.23

1.61

1.2

.78

.76

5856

7320

2.40

1.28

l.2

.88

1.04

14400

18000

1.48

1.14

1.

.76

.88

8G40

10800

.74

1.23

l.0

.83

.79

4720

5900

1.35

1.21

1.2

.52

.72

5760

7200

.79

1.25

1.

.53

.62

3440

4300

.69

1.26

l.3

.14

.32

1150

1440

1.30

1.14

l.2

.36

.61

4480

5600

.63

1.08

l.1

.32

.48

2080

2600

1.02

.84

l.0

.52

. 77

5680

7100

.56

.89

.9

.57

.66

3220

402o

.87

.86

l.

. 28

.58

2920

3650

.73

.86

1.0

.31

.5;;

2800

35oo

.48

.93

.9

.34

.48

1S40

2300

.58

.55

.8

.31

.62

3100

3860

.41

.66

.7

.35

.54

2030

2530

.31

.40

.8

.16

.44

1350

1680

. 23

.50

.7

.18

.38

920

1150

.36

.42

.7

.17

.44

1520

1900

. 23

.45

.6

.15

.37

960

1200

.21

.35

.7

.17

.32

712

890

.16

.40

.6

.15

.37

600

750

Axis Paral'l to A-B.

Moment of Inertia.

(r)

Square of Radius of

Gyration

(ρ2)

6. 70

0.71

4.45

0.72

8.35

0.86

6.75

0.90

3.60

0.88

7.46

0.83

5.72

0.83

3.55

0.85

2.89

0.79

5.75

0.66

3.78

0.67

2.11

0.62

3.35

0.64

2.14

0.66

6.10

0.74

3.93

0.74

2.20

0.69

3.72

0.64

1.96

0.64

1.94

0.71

2.58

0.48

2.11

0.45

.97

0.41

2.54

0.48

2.45

0.48

1.25

0.47

2.80

0.57

2.29

0.58

1.61

0.61

2.05

0.40

1.56

0.42

. 77

0.37

1.86

0.39

1.35

0.40

.61

0.39

.80

0.28

.43

0.29

.16

0.134

.80

0.31

.41

0.32

.91

0.33

.36

0.28

.47

0.21

.39

0.22

.24

0.23

.37

0.18

.20

0.18

.15

0.l2

.80

0.12

.11

0.095

.08

0.106

.08

0.084

.05

0.096