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Table C3. Type M – Rated internal working pressure

 
Table C3, Part 1. Type M¹ – Rated internal working pressure


Nominal
or
standard
size,
in inches
Annealed²
S=
6000 psi
100F
S=
5100 psi
150F
S=
4800 psi
200F
S=
4800 psi
250F
S=
4700 psi
300F
S=
4000 psi
350F
S=
3000 psi
400F
1/4
–
–
–
–
–
–
–
3/8
570
485
456
456
447
380
285
1/2
494
420
395
395
387
329
247
5/8
–
–
–
–
–
–
–
3/4
407
346
326
326
319
271
204
1
337
286
270
270
264
225
169
1 1/4
338
287
271
271
265
225
169
1 1/2
331
282
265
265
259
221
166
2
299
254
239
239
234
199
149
Nominal
or
standard
size,
in inches
Drawn²
S=
11,300 psi
100F
S=
11,300 psi
150F
S=
11,300 psi
200F
S=
11,300 psi
250F
S=
11,000 psi
300F
S=
10,300 psi
350F
S=
4300 psi
400F
1/4
–
–
–
–
–
–
–
3/8
1077
1077
1077
1077
1048
982
410
1/2
932
932
932
932
908
850
355
5/8
–
–
–
–
–
–
–
3/4
769
769
769
769
748
701
292
1
636
636
636
636
619
580
242
1 1/4
638
638
638
638
621
582
243
1 1/2
625
625
625
625
608
569
238
2
564
564
564
564
549
514
214

¹ Based on maximum allowable stress in tension (psi) for the indicated temperatures (°F).

² Types M and DMV are not normally available in the annealed temper. Italicized values are
provided for guidance when drawn temper tube is brazed or welded. Please refer to the
document entitled "Pressure Ratings . . . " cited below, for additional information.

³ When brazing or welding is used to join drawn tube, the corresponding annealed rating
must be used.

 



Table C3, Part 2. Type M¹ – Rated internal working pressure

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Nominal
or
standard
size,
in inches
Annealed²
S=
6000 psi
100F
S=
5100 psi
150F
S=
4800 psi
200F
S=
4800 psi
250F
S=
4700 psi
300F
S=
4000 psi
350F
S=
3000 psi
400F
274
233
219
219
215
183
137
3
253
215
203
203
199
169
127
252
214
202
202
197
168
126
4
251
213
201
201
197
167
126
5
233
198
186
186
182
155
116
6
218
186
175
175
171
146
109
8
229
195
183
183
180
153
115
10
230
195
184
184
180
153
115
12
230
195
184
184
180
153
115
Nominal
or
standard
size,
in inches
Drawn³
S=
9000 psi
100F
S=
9000 psi
150F
S=
9000 psi
20F
S=
9000 psi
20F
S=
8700 psi
30F
S=
8500 psi
350F
S=
8200 psi
400F
412
412
412
412
398
389
375
3
380
380
380
380
368
359
347
378
378
378
378
366
357
343
4
377
377
377
377
364
356
343
5
349
349
349
349
338
330
318
6
328
328
328
328
317
310
299
8
344
344
344
344
333
325
313
10
345
345
345
345
333
326
314
12
345
345
345
345
334
326
314

¹ Based on maximum allowable stress in tension (psi) for the indicated temperatures (°F).

³ Types M and DMV are not normally available in the annealed temper. Italicized values are
provided for guidance when drawn temper tube is brazed or welded. Please refer to the
document entitled "Pressure Ratings . . . " cited below, for additional information.

³ When brazing or welding is used to join drawn tube, the corresponding annealed rating
must be used.

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