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Rectangular Hollow Section (RHS)

Size

Thickness

Mass

Sectional Area

Moment of Inertia

Radius of Gyration

Elastic Modulus

Plastic Modulus

Torsional Constants

Superficial Area/m As

H xB
mm

T
mm

M
kg/m

A
cm2

lxx
cm4

lyy
cm4

ixx
cm

iyy
cm

Welxx
cm3

Welyy
cm3

Wplxx
cm3

Wplyy
cm3

It
cm4

Ct
cm3

m2/m

400x150

8.0

66.5

84.8

16488

 3509

13.9

6.43

824

468

1046

521

9424

828

1.08

8.8

72.9

92.9

17961

3804

13.9

6.40

898

507

1143

568

10254

898

1.08

10.0

82.4

105

20111

4227

13.8

1006

6.35

564

1285

636

11460

998

1.07

12.0

97.9

125

23541

4887

13.7

6.26

1177

652

1515

745

13372

1153

1.07

12.5

102

130

24369

5043

13.7

6.24

1218

672

772

1571

13831

1190

1.07

14.2

115

146

27095

5547

13.6

6.16

1355

740

1758

859

16829

1309

1.06

16.0

128

163

29836

6038 

13.5

6.09

1492

805

1948

947

15333

1426

1.06

400x200

6.0 

55.1

70.2

14998 

5142 

14.6

8.56 

750 

514 

917 

568 

12049

877 

1.18

6.3 

57.8

73.6

15696 

5376 

14.6

8.55 

785 

538 

960 

594 

12612

917 

1.18

7.1 

64.9

82.6

17535 

5989 

14.6

8.51 

877 

599 

1075 

665 

14096

1021 

1.18

8.0 

72.8

92.8

19562 

6660 

14.5

8.47 

978 

666 

1203 

743 

15735

1135 

1.18

8.8 

79.8

102 

21328 

7241 

14.5

8.44 

1066 

724 

1315 

811 

17164

1233 

1.18

10.0 

90.2

115 

23914 

8084 

14.4

8.39 

1196 

808 

1480 

911 

19259

1376 

1.17

12.0 

107 

137 

28059 

9418 

14.3

8.30 

1403 

942 

1748 

1072 

22622

1602 

1.17

12.5 

112 

142 

29063 

9738 

14.3

8.28 

1453 

974 

1813 

1111 

23438

1656 

1.17

14.2 

126 

160 

32381 

10784 

14.2

8.21 

1619 

1078 

2032 

1242 

26137

1834 

1.16

16.0 

141 

179 

35738

11824

14.1

8.13

1787

1182

2256

1374 

28871

2010

1.16

Size

Thickness

Mass

Sectional Area

Moment of Inertia

Radius of Gyration

Elastic Modulus

Plastic Modulus

Torsional Constants

Superficial Area/m As

H xB
mm

T
mm

M
kg/m

A
cm2

lxx
cm4

lyy
cm4

ixx
cm

iyy
cm

Welxx
cm3

Welyy
cm3

Wplxx
cm3

Wplyy
cm3

It
cm4

Ct
cm3

m2/m

400x300

8.0

85.4

 109

 25702

16540

15.4

12.3

1285

1103

1517

1247

 31014

1749

 1.38

8.8

93.6

119

28063

18037

15.3

12.3

1403

1202

1659

1363

33908

1906

1.38

10.0

106

135

31521

20233

15.3

12.2

1576

1349

1870

1536

38180

2135

1.37

12.0

126

161

37094

23756

15.2

12.2

1855

1584

2213

1816

45113

2503

1.37

12.5

131

167

38451

24611

15.2

12.1

1923

1641

2298

1884

46810

2592

1.37

14.2

148

189

42954

27441

15.1

12.1

2148

1829

2579

2113

52472

2887

1.36

16.0

166

211

47541

30309

15.0

12.0

2377

2021

2870

2349

58286

3184

1.36

450x250

8.0

 85.4

109

30082

12142

16.6 

10.6

1337

971

1622

1081

 27083

1629

 1.38

8.8

93.6

119

32840

13229

16.6 

10.5

1460

1058

1774

1182

29590

1774

1.38

10.0

106

135

36895

14819

16.5 

10.5

1640

1185

2000

1331

33284

1986

1.37

12.0

126

161

43434

17359

16.4 

10.4

1930

1389

2367

1572

39260

2324

1.37

12.5

131

167

45026

17973

16.4 

10.4

2001

1438

2458

1631

40719

2406

1.37

14.2

148

189

50315

19999

16.3 

10.3

2236

1600

2759

1827

45577

2675

1.36

16.0

166

211

55705

22041

16.2

10.2

2476

1763

3070

2029

50545

2947

1.36

Page 9 of 9

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