An Integrated Publishing, Inc. Site

An Integrated Publishing Website

4 inch up to and including 4 inches for type I, class B forgings. Type II forging thicknesses should be as specified \(see 6.2\).

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23

MIL-DTL-45225F(MR)

Minimum ballistic limits (protection at 0o obliquity) for type I,

TABLE XI.

class B material and type II material using a caliber .30 AP, M2

projectile.1/

Thickness,

Required

Thickness,

Required

Thickness,

Required

inches

BL(P)fps

inches

BL(P)fps

inches

BL(P)fps

1.000

2046

1.185

2261

1.370

2458

1.005

2052

1.190

2266

1.375

2463

1.010

2058

1.195

2272

1.380

2468

1.015

2064

1.200

2277

1.385

2473

1.020

2070

1.205

2283

1.390

2478

1.025

2076

1.210

2288

1.395

2483

1.030

2082

1.215

2294

1.400

2488

2/1.031

2083

1.220

2299

1.405

2493

1.035

2088

1.225

2305

1.410

2498

1.040

2094

1.230

2310

1.415

2503

1.045

2100

1.235

2316

1.420

2508

1.050

2106

1.240

2321

1.425

2513

1.055

2112

1.245

2326

1.430

2518

1.060

2118

1.250

2332

1.435

2523

1.065

2124

1.255

2337

1.440

2528

1.070

2130

1.260

2343

1.445

2533

1.075

2136

1.265

2348

1.450

2538

1.080

2141

1.270

2353

1.455

2543

1.085

2147

1.275

2359

1.460

2548

1.090

2153

1.280

2364

1.465

2553

1.095

2159

1.285

2369

1.470

2558

1.100

2165

1.290

2375

1.475

2563

1.105

2171

1.295

2380

1.480

2568

1.110

2176

1.300

2385

1.485

2573

1.115

2182

1.305

2390

1.490

2577

1.120

2188

1.310

2395

1.495

2582

3/ 1.500

1.125

2193

1.315

2401

2587

1.130

2199

1.320

2406

1.505

2592

1.135

2205

1,325

2411

1.510

2597

1.140

2210

1.330

2416

1.515

2602

1.145

2216

1.335

2422

1.520

2607

1.150

2222

1.340

2427

1.525

2612

1.155

2227

1.345

2432

1.530

2616

1.160

2233

1.350

2437

1.535

2621

1.165

2239

1.355

2442

1.540

2626

1.170

2244

1.360

2447

1.545

2631

1.175

2250

1.365

2452

1.550

2635

1.180

2255

_________________________________________________________________________________

1/ AP, M2 denotes armor piercing model 2 projectile.

Spec. requirements for this test start at ordered thickness of 1.031 inches.

Spec. requirements for this test end at ordered thickness of 1.500 inches.

NOTE: Thickness less than (see footnote 2/) and greater than (see footnote 3/)

is a requirement for undersize or oversize forgings.