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MS (MILD STEEL) RECTANGULAR HOLLOW SECTION (RHS)

MS (MILD STEEL) RECTANGULAR HOLLOW SECTION (RHS)

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MS (MILD STEEL) RECTANGULAR HOLLOW SECTION (RHS)

Mild Steel Hollow Sections: Versatile Structural Solutions

MS Rectangular Hollow Steel (RHS): Versatile Structural Solution

Introduction

MS Rectangular Hollow Steel (RHS), also known as rectangular steel tubes, plays a pivotal role in mechanical, structural, and construction applications. Its popularity stems from its practical features and cost-effectiveness.

Features & Benefits

  1. Flat Surface: RHS profiles boast a flat surface, making them ideal for welding and joining. This design minimizes edge preparation efforts.

  2. Economical Choice: MS RHS provides robust structural solutions without straining your budget.

  3. Versatility: Consider RHS for various applications, including:

    • Building Frames: Use RHS for columns, beams, and trusses.

    • Infrastructure: Guardrails, handrails, and signposts.

    • Manufacturing: Conveyor systems, machinery frames, and storage racks.

    • Architectural Elements: Staircases, partitions, and façades.

Applications in Bullet Form

  • Construction: RHS serves as load-bearing components in building structures.

  • Engineering: Ideal for creating sturdy frames and supports.

  • Fabrication: Easily weldable for customized designs.

  • Architectural Detailing: Clean lines enhance aesthetics.

Structural Steel ASTM A-500: A Comprehensive Guide

Introduction

When it comes to structural steel, ASTM A-500 is a critical standard that defines the properties and specifications for hollow structural sections (HSS). Whether you’re an engineer, architect, or construction professional, understanding ASTM A-500 is essential for designing and constructing robust steel structures.

In this guide, we’ll delve into the features, benefits, and applications of ASTM A-500 structural steel. Let’s explore how this versatile material can elevate your projects.

Features and Benefits

1. High Strength and Durability

  • ASTM A-500 steel exhibits exceptional strength, making it suitable for load-bearing applications.

  • Its durability ensures long-lasting structures that withstand environmental stressors and heavy loads.

2. Versatility

  • Available in various shapes (rectangular, square, and round), ASTM A-500 accommodates diverse design requirements.

  • Architects and engineers appreciate its flexibility for creating innovative structures.

3. Cost-Effective Solution

  • By using ASTM A-500, you optimize material costs without compromising quality.

  • Its efficient design minimizes waste and streamlines construction processes.

Applications

ASTM A-500 finds widespread use across various industries:

  • Construction: Beams, columns, and trusses in commercial and residential buildings.

  • Infrastructure: Bridges, walkways, and railings.

  • Industrial Equipment: Conveyor systems, storage racks, and machinery frames.

  • Architectural Elements: Canopies, pergolas, and decorative structures.

STM A 500 Grades A and B / Manufacturer’s Standard

Nominal Size

Dimensions

Area

Moment of Inertia

Section Modulus

Radius of Gyration

Plastic Modulus

Wall Thinkness

Calculated Weight

Ix

Iy

zx

zy

ix

iy

Sx

Sy

mm

in

mm

in

Kg/m

Kg/6m

Kg/ft

in²

in4

in4

in³

in³

in

in

in³

in³

38 x 19

1 1/2
x
3/4

1.0

0.039

0.857

5.142

0.261

0.167

0.0499

0.0168

0.0668

0.0448

0.5412

0.3136

0.0824

0.0506

1.2

0.047

1.020

6.120

0.311

0.197

0.0588

0.0196

0.0786

0.0524

0.5380

0.3105

0.0976

0.0596

1.5

0.059

1.260

7.560

0.384

0.242

0.0714

0.0235

0.0954

0.0628

0.5332

0.3058

0.1195

0.0726

50  x 25

2×1

1.0

0.039

1.140

6.840

0.347

0.222

0.1164

0.0395

0.1183

0.0802

0.7172

0.4177

0.1451

0.0894

1.2

0.047

1.360

8.160

0.415

0.264

0.1377

0.0464

0.1399

0.0943

0.7139

0.4145

0.1723

0.1058

1..5

0.059

1.690

10.140

0.515

0.326

0.1684

0.0562

0.1710

0.1142

0.7091

0.4098

0.2121

0.1297

2.3

0.091

2.500

15.000

0.762

0.481

0.2435

0.0792

0.2474

0.1610

0.6964

0.3973

0.3120

0.1885

3.0

0.120

3.190

19.140

0.972

0.606

0.3016

0.0960

0.3064

0.1951

0.6856

0.3868

0.3923

0.2344

65 x 38

2 1/2
x
1 1/2

1.5

0.059

2.330

13.980

0.710

0.456

0.4193

0.1819

0.3277

0.2431

0.9496

0.6254

0.3968

0.2732

1.9

0.075

2.900

17.400

0.884

0.570

0.5198

0.2239

0.4063

0.2994

0.9432

0.6191

0.4951

0.3399

2.3

0.091

3.480

20.880

1.601

0.680

0.6159

0.2635

0.4813

0.3523

0.9369

0.6129

0.5904

0.4040

3.0

0.120

4.390

26.340

1.338

0.866

0.7735

0.3270

0.6045

0.4372

0.9260

0.6021

0.7500

0.5102

75 x 38

3
x
1 1/2

1.5

0.059

2.570

15.420

0.783

0.503

0.5941

0.2059

0.4024

0.2752

1.0778

0.6345

0.4929

0.3066

1.9

0.075

3.180

19.080

0.969

0.629

0.7382

0.2537

0.5000

0.3392

1.0713

0.6281

0.6160

0.3817

2.3

0.091

3.810

22.860

1.161

0.752

0.8764

0.2988

0.5936

0.3994

1.0649

0.6217

0.7356

0.4541

3.0

0.120

4.860

29.160

1.481

0.959

1.1049

0.3713

0.7484

0.4963

1.0537

0.6108

0.9367

0.5743

75 x 50

3×2

1.9

0.075

3.540

21.240

1.079

0.699

0.8846

0.4713

0.5991

0.4788

1.1131

0.8125

0.7177

0.5420

2.3

0.091

4.240

25.440

1.292

0.837

1.0517

0.5580

0.7124

0.5670

1.1069

0.8062

0.8580

0.6468

3.0

0.120

5.420

32.520

1.652

1.071

1.3293

0.7002

0.9004

0.7114

1.0959

0.7954

1.0949

0.8225

4.0

0.156

7.020

42.120

2.140

1.387

1.6941

0.8831

1.1475

0.8973

1.0806

0.7802

1.4144

1.0574

4.5

0.177

7.790

46.740

2.374

1.537

1.8632

0.9663

1.2620

0.9817

1.0370

0.7727

1.5661

1.1679

5.0

0.197

8.520

51.120

2.600

1.683

2.0239

1.0441

1.3708

1.0608

1.0656

0.7653

1.7125

1.2739

6.0

0.236

9.920

59.520

3.023

1.958

2.3208

1.1849

1.5720

1.2038

1.0508

0.7508

1.9898

1.4726

100×50

4×2

1.9

0.075

4.290

25.740

1.308

0.847

1.7757

0.6034

0.9021

0.6130

1.4360

0.8371

1.1052

0.6814

2.3

0.091

5.140

30.840

1.567

1.016

2.1185

0.7153

1.0762

0.7267

1.4295

0.8206

1.3243

0.8141

3.0

0.120

6.600

39.600

2.012

1.303

2.6937

0.8995

1.3684

0.9139

1.4182

0.8195

1.6967

1.0376

4.0

0.156

8.590

51.540

2.618

1.697

3.4626

1.1380

1.7590

1.1562

1.4023

0.8039

2.2047

1.3381

125×50

5×2

2.3

0.091

6.046

36.276

1.843

1.194

3.6874

0.8726

1.4986

0.8865

1.7421

0.8475

1.8784

0.9815

3.0

0.120

7.780

46.680

2.371

1.536

4.7068

1.0988

1.9128

1.1163

1.7305

0.8361

2.4130

1.2528

4.0

0.156

10.200

61.200

3.109

2.007

6.0841

1.3928

2.4726

1.4151

1.7141

0.8201

3.1475

1.6188

4.5

0.177

11.300

67.800

3.444

2.235

6.7389

1.5276

2.7387

1.5521

1.7059

0.8122

3.5021

1.7926

5.0

0.197

12.400

74.400

3.799

2.458

7.3720

1.6547

2.9960

1.6812

1.6978

0.8044

3.8483

1.9604

6.0

0.236

14.600

87.600

4.450

2.888

8.5742

1.8869

3.4846

1.9171

1.6817

0.7889

4.5162

2.2781

150×50

6×2

3.0

0.120

8.960

52.760

2.731

1.768

7.4812

1.2981

2.5336

1.3188

2.0363

0.8482

3.2437

1.4679

4.0

0.156

11.700

70.200

3.566

2.317

9.7085

1.6476

3.2880

1.6740

2.0794

0.8319

4.2429

1.8995

4.5

0.177

13.100

78.600

3.993

2.584

10.7748

1.8083

3.6491

1.8372

2.0109

0.8238

4.7275

2.1050

5.0

0.197

14.400

86.400

4.389

2.845

11.8103

1.9600

3.9998

1.9914

2.0026

0.8158

5.2023

2.3036

6.0

0.236

17.000

102.00

5.181

3.353

13.7911

2.2379

4.6706

2.2737

1.9859

0.8000

6.1226

2.6809

100×75

4×3

3.0

0.120

7.780

46.680

2.371

1.536

3.5416

2.2689

1.7992

1.5334

1.5011

1.2002

2.1407

1.7539

4.0

0.156

10.200

61.200

3.109

2.007

4.5704

2.9065

2.3217

1.9687

1.4856

1.1847

2.7905

2.2809

4.5

0.177

11.300

67.800

3.444

2.235

5.0581

3.2084

2.5695

2.1732

1.4779

1.1771

3.1039

2.5341

5.0

0.197

12.400

74.400

3.779

2.458

5.5288

3.4979

2.8086

2.3692

1.4703

1.1695

3.4097

2.7804

6.0

0.236

14.600

87.600

4.450

2.888

6.4202

4.0409

3.2614

2.7370

1.4552

1.1546

3.9990

3.2530

125×75

5×3

3.0

0.120

8.960

53.760

2.731

1.768

6.0480

2.7312

2.4579

1.8499

1.8309

1.2304

2.9713

2.0834

4.0

0.156

11.700

70.200

3.566

2.317

7.8435

3.5127

3.1876

2.3793

1.8151

1.2147

3.8859

2.7142

4.5

0.177

13.100

78.600

3.993

2.584

8.7021

3.8810

3.5356

2.6287

1.8072

1.2069

4.3293

3.0181

5.0

0.197

14.400

86.400

4.389

2.845

9.5355

4.2349

3.8752

2.8685

1.7994

1.1992

4.7637

3.3144

6.0

0.236

17.000

102.000

5.181

3.353

11.1280

4.9009

4.5224

3.3196

1.7839

1.1839

5.6055

3.8846

150×75

6×3

3.0

0.120

10.100

60.600

3.078

2.001

9.4283

3.1985

3.1930

2.1665

2.1516

1.2532

3.9164

2.4130

4.0

0.156

13.300

79.800

4.054

2.627

12.2698

4.1189

4.1554

2.7899

2.1354

1.2372

2.1338

3.1475

4.5

0.177

14.900

89.400

4.541

2.932

13.6367

4.5536

4.6183

3.0843

2.1274

1.2293

5.7264

3.5021

5.0

0.197

16.400

98.400

4.998

3.233

14.9686

4.9719

5.0694

3.3677

2.1194

1.2215

6.3038

3.8483

6.0

0.236

19.300

115.800

5.882

3.818

17.5296

5.7610

5.9367

3.9021

2.1035

1.2095

7.4407

4.5162

9.0

0.354

27.600

165.600

8.412

5.452

24.4309

7.7753

8.2739

5.2665

2.0268

1.1603

10.5927

6.3294

50×100

6×4

3.0

0.120

11.311

67.866

3.447

2.233

11.3754

6.0855

3.8525

3.0915

2.2390

1.6376

4.5892

3.4725

4.0

0.156

14.900

89.400

4.541

2.937

14.8310

7.8935

5.0228

4.0099

2.2231

1.6219

6.0248

4.5480

4.5

0.177

16.600

99.600

5.059

3.281

16.4986

8.7584

5.5875

4.4493

2.2153

1.6141

6.7253

5.0708

5.0

0.197

18.300

109.800

5.578

3.620

18.1269

9.5980

6.1390

4.8758

2.2074

1.6063

7.4144

5.5837

6.0

0.236

21.700

130.200

6.614

4.283

21.2681

11.203

17.2028

5.6912

2.1919

1.5908

8.7589

6.5803

9.0

0.354

31.100

186.600

9.479

6.150

29.8117

15.4600

10.0932

7.8537

2.1461

1.5455

12.5287

9.3432

200×100

8×4

4.0

0.156

18.000

108.000

5.486

3.557

29.7980

10.1089

7.5687

5.1353

2.8687

1.6709

9.2834

5.1960

4.5

0.177

20.200

121.200

6.157

3.979

33.2194

11.2253

8.4377

5.7025

2.8606

1.6629

10.3775

6.3820

5.0

0.197

22.300

133.800

6.797

4.395

36.5762

12.3109

9.2904

6.2539

2.8526

1.6549

11.4572

7.0330

6.0

0.236

26.400

158.400

8.046

5.213

43.0988

14.3917

10.9471

7.3110

2.8365

1.6391

13.5736

8.3012

9.0

0.354

38.400

229.200

11.643

7.545

61.1954

19.9510

15.5436

10.1351

2.7889

1.5924

19.5861

11.8421

12.0

0.472

49.100

294.600

14.965

9.693

77.2137

24.5737

19.6123

12.4834

2.7423

1.5471

25.1086

15.0031

200×150

8×6

4.5

0.177

23.7000

142.200

7.223

4.676

43.5515

27.9461

11.0621

9.4944

3.0258

2.4238

13.0618

10.7208

5.0

0.197

26.200

157.200

7.985

5.170

47.9981

30.7601

12.1915

10.4174

3.0179

2.4160

14.4321

11.8386

6.0

0.236

31.100

186.600

9.479

6.143

56.6662

36.2223

14.3932

12.2673

3.0023

2.4003

17.1252

14.0313

9.0

0.354

45.300

271.800

13.807

8.940

80.9303

51.3348

20.5563

17.3854

2.9559

2.3542

24.8310

20.2726

12.0

0.472

58.500

351.000

17.830

11.553

102.7225

64.6543

26.0915

21.8963

2.9104

2.3090

31.9921

26.0239

250×150

10×6

6.0

0.236

35.800

214.800

10.911

7.073

96.7680

43.6994

19.6633

14.7995

3.6618

2.4607

23.7707

16.6675

9.0

0.354

52.300

313.800

15.940

10.335

139.2342

62.0963

28.2924

21.0300

3.6144

2.4138

34.6345

24.1445

12.0

0.472

67.900

407.400

20.695

13.413

178.0479

78.4149

36.1794

26.5565

3.5678

2.3677

44.8437

31.0767

300×200

12×8

6.0

0.236

45.200

271.200

13.776

8.933

182.0061

97.3686

30.8197

24.7316

4.4779

3.2752

36.7138

27.7800

9.0

0.354

66.500

399.000

20.268

13.125

263.9778

140.1351

44.7002

35.3943

4.4305

3.2281

53.8021

40.5660

12.0

0.472

86.800

520.800

26.455

17.133

340.2904

179.2492

57.6225

45.5293

1.3838

3.1817

70.0709

52.6425

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