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Maximum Working Pressure Tables - Alloy C276 Seamless Tube
(Nickel, Molybdenum, Chromium / ASTM B-622 or Equivalent)

Maximum Allowable Working Pressure (PSI) For Fractional Sizes

Tubing ODWall Thickness (Inches)
.010.012.016.020.028.035.049.065.083.095.109.120
1/169,17511,24515,38219,262        
1/8   9,17513,32216,890      
3/16   5,8308,48010,90015,722     
1/4    6,1507,88211,50515,637    
3/8     5,0427,29510,042    
1/2     3,7075,3177,2559,570   
5/8     2,9324,1825,6727,4308,652  
3/4     2,4253,4474,6556,0707,0478,2229,175
7/8     2,0652,9323,9505,1325,9456,9177,702
1     1,8002,5503,4274,4455,1405,9706,637
Factor of Saftey = 4, considering tensile strength to be 100,000 psi at room temperature.

Maximum Allowable Working Pressure (Bar) For Metric Sizes

Tubing ODWall Thickness (Millimeters)
.5.6.7.81.01.21.51.61.82.02.22.53.0
366381196011071379        
4191523502810324541354990       
6  177520602650324541354430     
8  129515001915235030203245     
10   11801500183023502530     
12   970123015001915206023502650   
14    104512701615177519752225248028653500
16    91011001395150017051915213024653020
18    8009701230132015001680187021552650
22    650790995106512101350154017252110
25    57069087093010501180130515001830

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