Maximum Working Pressure Tables – Alloy 400 Annealed Seamless Tube

Maximum Working Pressure Tables – Alloy 400 Annealed Seamless Tube (Nickel, Copper / ASTM B-165 or Equivalent)

 

Maximum Allowable Working Pressure (PSI) For Fractional Sizes

Tubing OD	Wall Thickness (Inches)
	.010	.012	.016	.020	.028	.035	.049	.065	.083	.095	.109	.120
1/16	6,422	7,872	10,768	13,484
1/8				6,422	9,325	11,823
3/16				4,081	5,935	7,630	11,005
1/4					4,305	5,518	8,053	10,946
3/8						3,530	5,107	7,029
1/2						2,595	3,721	5,078	6,699
5/8						2,051	2,927	3,970	5,200	6,056
3/4						1,696	2,412	3,259	4,249	4,933	5,755	6,422
7/8						1,446	2,051	2,764	3,592	4,161	4,842	5,391
1						5,040	7,140	9,595	12,445	14,390	16,715	18,585

Factor of Safety = 4, considering tensile strength to be 70,000 PSI at room temperature.

Maximum Allowable Working Pressure (Bar) For Metric Sizes

Tubing OD	Wall Thickness (Inches)
	0.5	0.6	0.7	0.8	1.0	1.2	1.5	1.6	1.8	2.0	2.2	2.5	3.0
3	464	567	672	775	965
4	335	411	491	567	723	873
6			310	360	464	567	723	775
8			227	262	335	411	528	567
10				206	262	320	411	442
12				169	215	262	335	360	411	464
14					182	222	282	303	345	389	433	500	612
16					158	192	244	262	298	335	372	430	528
18					140	169	215	230	262	294	326	377	464
22					113	137	173	186	211	236	262	301	369
25					99	120	152	162	184	206	228	262	320

Factor of Safety = 4, considering tensile strength to be 482.6 MPa at room temperature.

Information for reference purposes only. Corrosion Materials in not liable for any damages that may result from the use of this information.