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Theoretical Bursting & Collapsing Pressures For Pipe

Theoretical Bursting & Collapsing Pressures For Pipe

Stainless Steel (ASTM-A-312)

Nominal Size Inches Schedule Number Outside Diameter (Inches) Wall Thickness (Inches) Inner Diameter (Inches) Internal Pressure, PSI Bursting External Pressure, PSI Collapsing
1/8 10 0.405 0.049 0.307 18,150 7,468
40 0.405 0.068 0.269 25,185 10,761
80 0.405 0.095 0.215 35,185 15,441
1/4 10 0.540 0.065 0.410 18,055 7,425
40 0.540 0.088 0.364 24,444 10,415
80 0.540 0.119 0.302 33,055 14,445
3/8 10 0.678 0.065 0.545 14,380 5,705
40 0.678 0.091 0.493 20,132 8,397
80 0.678 0.126 0.423 27,876 12,021
1/2 5 0.840 0.065 0.710 11,607 4,407
10 0.840 0.083 0.674 14,821 5,911
40 0.840 0.109 0.622 19,464 8,084
80 0.840 0.147 0.546 26,250 11,260
3/4 5 1.050 0.065 0.920 9,285 3,295
10 1.050 0.083 0.884 11,857 4,524
40 1.050 0.113 0.824 16,142 6,529
80 1.050 0.154 0.742 22,000 9,271
1 5 1.315 0.065 1.185 7,414 2,445
10 1.315 0.109 1.097 12,433 4,795
40 1.315 0.133 1.049 15,171 6,075
80 1.315 0.179 0.957 20,418 8,530
11/4 5 1.660 0.065 1.530 5,873 1,725
10 1.660 0.109 1.442 9,849 3,585
40 1.660 0.140 1.380 12,650 3,895
80 1.660 0.191 1.278 17,259 7,052
11/2 5 1.900 0.065 1.770 5,131 1,376
10 1.900 0.109 1.682 8,605 3,002
40 1.900 0.145 1.610 11,447 4,332
80 1.900 0.200 1.500 15,789 6,364
2 5 2.375 0.065 2.245 4,105 896
10 2.375 0.109 2.157 6,884 2,196
40 2.375 0.154 2.067 9,726 3,526
80 2.375 0.218 1.939 13,768 5,418
21/2 5 2.875 0.083 2.709 4,330 1,001
10 2.875 0.120 2.635 6,260 1,905
40 2.875 0.203 2.469 10,591 3,931
3 5 3.500 0.083 3.334 3,557 639
10 3.500 0.120 3.260 5,142 1,375
40 3.500 0.216 3.068 9,257 3,307
31/2 5 4.000 0.083 3.834 3,112 431
10 4.000 0.120 3.760 4,500 1,081
4 5 4.500 0.083 4.334 2,766 315
10 4.500 0.120 4.260 4,000 845
40 4.500 0.237 4.026 7,900 2,672
5 5 5.563 0.109 5.345 2,949 350
10 5.563 0.134 5.295 3,613 665
6 5 6.625 0.109 6.407 2,467 129
10 6.625 0.134 6.357 3,033 394

Carbon steel & Aluminum

Burst Pressures for Stainless Steel in above chart were calculated using the specified minimum tensile strength, 75,000 p.s.i. To convert these to other materials simply multiply by the factor of the relationship of tensile strengths, as follows:

Material Tensile Strength Multiply By
Carbon steel ASTM A-106 Grade B 60,000 psi .80
ASTM A-53 Grade B 60,000 psi .80
Aluminum ASTM A-241 6061-T6 42,000 psi (under 1î) .56
ASTM B-241 6061-T6 38,000 psi (1î over) .507
ASTM B-241 6063-T6 30,000 psi .40
ASTM B-241 3003-H112 14,000 psi .18
FED WW-T-700 5086-H32 40,000 psi .533

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.



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