Tubing Conditioning, Refrigeration, Cleaned and Capped No, Coating Color Not Applicable, Tube Size 5/16 in, Fabri ion Seamless, Inside Diameter 0.249 in, Material , Material Grade C12200, Maximum Operating Pressure 957 psi @ 200 D ees F, Maximum Operating Temperature 400 D ees F, Outside Diameter 5/16 in, Overall Length 50 ft, Standards ASTM B280, UNS C12200, Temper Soft, Tube Form Coil, Wall Thickness 0.032 in This INDUSTRIES refrigeration tubing easily connects air conditioning and refrigeration equipment. Connect using sweating or flare fittings tubing is nitrogen purged to reduce contaminants.