The austenitic stainless steel tube remain tough and ductile to very low temperatures. Metals such as iron and constructional steel undergo a marked decrease in ductility at lower temperature.

Common Cryogenic Temperatures:

EnvironmentDegrees CDegrees F
Boiling Helium- 268.6- 454
Boiling Hydrogen- 252.5- 418
Freezing Nitrogen- 209.9- 346
Boiling Nitrogen- 195.8- 319
Boiling Methane- 164.0- 265
Solid Carbon Dioxide- 78.5- 108
Boiling Freon 12- 29.8- 22
Water as ice0.032

Effect of Temperature on Modulus of Elasticity:

 

AlloyRoom Temp. Tensile - ksiDegrees CDegrees F
Room Temp.At -196øC
30110625.4 x 10-628.6 x 10-6
3028826.227.2
3048724.426.2
3479523.327.6

Mechanical Properties at Cryogenic Temperatures:

Strength by Alloy Listed in ksi
Material Grade301302304304L310S316321347
0øC
Yield4242382835404040
Tensile160120115988890100100
Elong.60%50%60%58%50%68%58%60%
Charpy keyhole notch in ft. lb.393437-38353229
301302304304L3105316321347
-40øC
Yield4443403040454545
Tensile18013513511594105120115
Elong.40%58%55%55%70%67%55%58%
Charpy keyhole notch in ft. lb.--------
301302304304L3105316321347
-78øC
Yield5058453548575050
Tensile162164165138110120138136
Elong.52%52%48%50%78%65%53%52%
Charpy keyhole notch in ft. lb.212726-30262523
301302304304L3105316321347
-168øC
Yield6262554062735850
Tensile210210208175140160185180
Elong.44%43%42%44%90%61%47%45%
Charpy keyhole notch in ft. lb.5.59.5211624192219
301302304304L3105316321347
-196øC
Yield5562574575806052
Tensile275225225192151180211195
Elong.30%40%38%42%93%19%22%19%
Charpy keyhole notch in ft. lb.--------
301302304304L3105316321347
-253øC
Yield-62695096936865
Tensile-258250220180230248230
Elong.-38%27%41%71%55%34%-
Charpy keyhole notch in ft. lb.---19----

 

   Stainless Steel TubingNickel Alloy TubingBrass Alloy TubingCopper Nickel Pipe Material Grades