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

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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