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

Calculated Burst Pressure (PSI) For Fractional Sizes

Tubing OD Wall Thickness (Inches)
.010 .012 .016 .020 .028 .035 .049 .065 .083 .095 .109 .120
1/16 25,690 31,490 43,070 53,935
1/8 25,690 37,300 47,290
3/16 16,325 23,745 30,520 44,025
1/4 17,220 22,070 32,215 43,785
3/8 14,120 20,425 28,120
1/2 10,380 14,890 20,315 26,795
5/8 8,210 11,710 15,885 20,805 24,225
3/4 6,790 9,655 13,035 16,995 19,735 23,030 25,690
7/8 5,780 8,210 11,060 14,370 16,645 19,370 21,565
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.

 

Calculated Burst 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 1855 2270 2690 3100 3860
4 1340 1645 1965 2270 2890 3490
6 1240 1440 1855 2270 2890 3100
8 910 1050 1340 1645 2110 2270
10 825 1050 1280 1645 1770
12 675 860 1050 1340 1440 1645 1855
14 730 890 1130 1210 1380 1555 1730 2000 2450
16 630 770 975 1050 1190 1340 1490 1720 2110
18 560 675 860 920 1050 1175 1350 1510 1588
22 450 550 690 745 845 945 1050 1205 1475
25 395 480 610 650 735 825 910 1050 1280

References:
ASME Boiler and Pressure Vessel Code, Section VIII, Div. 1, Table UNF-23-3, Par. UG-27 and Appendix 1, Par. 1-2
Information for reference purposes only. Corrosion Materials in not liable for any damages that may result from the use of this information.