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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

250x100

5.0

 26.5

33.7

2610

 618

8.80

 4.28

209

124

263

138

1617

217

0.687

5.6

29.5

37.6

2889

681

8.77

4.25

231

136

292

152

1789

239

0.686

6.0

31.5

40.2

3072

721

8.74

4.24

246

144

311

162

1901

253

0.685

6.3

33.0

42.1

3207

751

8.73

4.22

257

150

326

169

264

1983

0.684

7.1

37.0

47.1

3559

827

8.69

4.19

285

165

363

188

2198

291

0.682

8.0

41.4

52.8

3940

909

8.64

4.15

315

182

404

209

2430

319

0.679

8.8

45.3

57.7

4266

977

8.60

4.12

341

195

439

226

2627

343

0.677

10.0

51.0

64.9

4733

1072

8.54

4.06

379

214

491

251

2908

376

0.674

12.0

60.2

76.7

5453

1213

8.43

3.98

436

243

572

290

3336

426

0.669

12.5

62.5

79.6

5622

1245

8.41

3.96

450

249

592

299

3436

438

0.668

14.2

70.0

89.2

6165

1344

8.31

3.88

493

269

655

329

3752

473

0.663

16.0

77.7

99.0

6686

1433

8.22

3.80

535

287

719

358

4050

505

0.659

250x150

5.0

 30.4

38.7

3360

1527

9.31

6.28

 269

 204

 324

228

3278

337

0.787

5.6

33.9

43.2

3726

1690

9.29

6.25

298

225

361

254

3640

373

0.786

6.0

36.2

46.2

3965

1796

9.27

6.24

317

239

385

270

3877

396

0.785

6.3

38.0

48.4

4143

1874

9.25

6.22

331

250

402

283

4054

413

0.784

7.1

42.6

54.2

4606

2078

9.22

6.19

368

277

449

315

4515

457

0.782

8.0

47.7

60.8

5111

2298

9.17

6.15

409

306

501

350

5021

506

0.779

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

250x150

8.8

52.2

 66.5

 5546

2486

9.13

 6.12

444

545

331

 381

5457

547

0.777

10.0

58.8

74.9

6174

2755

9.08

6.06

494

367

611

426

6090

605

0.774

12.0

69.6

88.7

7154

3168

5.98

8.98

572

422

715

497

7088

695

0.769

12.5

72.3

92.1

7387

3265

8.96

5.96

591

435

740

514

7326

717

0.768

14.2

81.1

103

8879

3873

8.79

5.80

710

516

906

625

8868

784

0.763

16.0

90.3 

115

8141

3576

8.87

5.88

651

477

823

570

8102

849

0.759

260x140

5.0

30.4

 38.7

3532

1354

9.55

5.91

272

193

331

216

3078

326 

0.787

5.6

33.9

43.2

3916

1498

9.52

5.89

301

214

368

240

3417

360 

0.786

6.0

36.2

46.2

4168

1591

9.50

5.87

321

227

393

255

3638

383 

0.785

6.3

38.0

48.4

4355

1660

9.49

5.86

335

237

411

267

3803

399 

0.784

7.1

42.6

54.2

4842

1839

9.45

5.82

372

263

459

298

4234

442 

0.782

8.0

47.7

60.8

5373

2032

9.40

5.78

413

290

511

331

4704

488 

0.779

8.8

52.2

66.5

5831

2197

9.37

5.75

449

314

557

360

5110

527 

0.777

10.0

58.8

74.9

6490

2432

9.31

5.70

499

347

624

402

5698

584 

0.774

12.0

69.6

88.7

7522

2792

9.21

5.61

579

399

730

469

6621

670

0.769

Page 5 of 8

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