52
WELDING GASES 25°C 0°C
Gas
Number
Short
Name
Long Name
Absolute
Viscosity*
Density**
14.696 PSIA
Compressibilty
14.696 PSIA
Absolute
Viscosity
Density
14.696 PSIA
Compressibilty
14.696 PSIA
23 C-2 2% CO2 / 98% Ar 224.71480 1.63727 0.9993165 208.673 1.7877 0.998993
22 C-8 8% CO2 / 92% Ar 220.13520 1.64749 0.9991624 204.199 1.7989 0.9987964
21 C-10 10% CO2 / 90% Ar 218.60260 1.65091 0.9991086 202.706 1.8027 0.9987278
140 C-15 15% CO2 / 85% Ar 214.74960 1.65945 0.9989687 198.960 1.8121 0.9985493
141 C-20 20% CO2 / 80% Ar 210.86960 1.66800 0.9988210 195.198 1.8215 0.9983605
20 C-25 25% CO2 / 75% Ar 206.97630 1.67658 0.9986652 191.436 1.8309 0.9981609
142 C-50 50% CO2 / 50% Ar 187.53160 1.71972 0.9977484 172.843 1.8786 0.9969777
24 C-75 75% CO2 / 25% Ar 168.22500 1.76344 0.9965484 154.670 1.9271 0.995401
25 He-25 25% He / 75% Ar 231.60563 1.26598 0.9996422 216.008 1.3814 0.9999341
143 He-50 50% He / 50% Ar 236.15149 0.89829 0.9999188 220.464 0.9800 1.00039
26 He-75 75% He / 25% Ar 234.68601 0.53081 1.0001954 216.937 0.5792 1.000571
144 He-90 90% He / 10% Ar 222.14566 0.31041 1.0003614 205.813 0.3388 1.00057
27 A1025 90% He / 7.5% Ar / 2.5% CO2 214.97608 0.31460 1.0002511 201.175 0.3433 1.000556
28 Star29
Stargon CS 90% Ar /
8% CO2 / 2% O2
219.79340 1.64099 0.9991638 203.890 1.7918 0.998798
*in micropoise (1 Poise = gram / (cm) (sec)) **Grams/Liter Reference: NIST REFPROP 9 Database
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