Appendix II. TABLE OF WALL RATIOS

Biaxial Stresses.

TABLE OF WALL RATIOS (cont)

TB-9-1377-200 Propellant Actuated Devices Manual
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APPENDIX II

TABLE OF WALL RATIOS

Where:

P = maximum internal pressure (psi)

Y = minimum yield strength of material (psi)

W = wall ratio (outside dia/inside dia)

P/Y

Biaxial

Triaxial

P/Y

Biaxial

Triaxial

0.010.................................

1.0101

1.0088

0.050 ........................................

1.0526

1.0463

0.011.................................

1.0111

1.0097

0.051 ........................................

1.0537

1.0473

0.012.................................

1.0122

1.0106

0.052 ........................................

1.0549

1.0483

0.013.................................

1.0132

1.0114

0.053 ........................................

1.0560

1.0493

0.014.................................

1.0142

1.0123

0.054 ........................................

1.0571

1.0503

0.015.................................

1.0153

1.0132

0.055 ........................................

1.0583

1.0513

0.016.................................

1.0163

1.0141

0.056 ........................................

1.0594

1.0523

0.017.................................

1.0173

1.0151

0.057 ........................................

1.0605

1.0533

0.018.................................

1.0183

1.0160

0.058 ........................................

1.0616

1.0543

0.019.................................

1.0194

1.0169

0.059 ........................................

1.0628

1.0554

0.020.................................

1.0204

1.0178

0.060 ........................................

1.0639

1.0564

0.021.................................

1.0215

1.0187

0.061 ........................................

1.0651

1.0574

0.022.................................

1.0225

1.0196

0.062 ........................................

1.0662

1.0584

0.023.................................

1.0236

1.0205

0.063 ........................................

1.0674

1.0595

0.024.................................

1.0246

1.0214

0.064 ........................................

1.0685

1.0605

0.025.................................

1.0257

1.0224

0.065 ........................................

1.0697

1.0615

0.026.................................

1.0297

1.0233

0.066 ........................................

1.0709

1.0626

0.027.................................

1.0278

1.0242

0.067 ........................................

1.0720

1.0636

0.028.................................

1.0288

1.0251

0.068 ........................................

1.0732

1.0647

0.029.................................

1.0299

1.0261

0.069 ........................................

1.0743

1.0657

0.030.................................

1.0309

1.0270

0.070 ........................................

1.0755

1.0668

0.031.................................

1.0320

1.0280

0.071 ........................................

1.0767

1.0678

0.032.................................

1.0331

1.0289

0.072 ........................................

1.0779

1.0688

0.033.................................

1.0342

1.0299

0.073 ........................................

1.0790

1.0699

0.034.................................

1.0352

1.0308

0.074 ........................................

1.0802

1.0710

0.035.................................

1.0363

1.0318

0.075 ........................................

1.0814

1.0721

0.036.................................

1.0374

1.0327

0.076 ........................................

1.0826

1.0731

0.037.................................

1.0385

1.0337

0.077 ........................................

1.0838

1.0742

0.038.................................

1.0395

1.0346

0.078 ........................................

1.0849

1.0753

0.039.................................

1.0406

1.0356

0.079 ........................................

1.0861

1.0763

0.040.................................

1.0417

1.0365

0.080 ........................................

1.0873

1.0774

0.041.................................

1.0428

1.0375

0.081 ........................................

1.0885

1.0785

0.042.................................

1.0439

1.0385

0.082 ........................................

1.0897

1.0796

0.043.................................

1.0450

1.0395

0.083 ........................................

1.0910

1.0807

0.044.................................

1.0461

1.0404

0.084 ........................................

1.0922

1.0818

0.045.................................

1.0472

1.0414

0.085 ........................................

1.0934

1.0829

0.046.................................

1.0482

1.0424

0.086 ........................................

1.0946

1.0840

0.047.................................

1.0493

1.0434

0.087 ........................................

1.0958

1.0851

0.048.................................

1.0504

1.0443

0.088 ........................................

1.0971

1.0862

0.049.................................

1.0515

1.0453

0.089 ........................................

1.0983

1.0873

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