Many customers would like to know what tube wall thickness is suitable for their provided steam pressure. Below is a sample chart to use as a reference while selecting your tube wall thickness for your steam coil or steam distribution coil. 3 PSIG - 25 PSIG = 0.25" Tube Wall 26 PSIG - 75 PSIG = 0.35" Tube Wall 76 PSIG - 125 PSIG = 0.049" Tube Wall For 75 PSIG and higher stainless steel steam coils and carbon steel steam coils are viable alternatives and suitable for those applications. Any questions on steam pressure, steam coils or any other coil concern do not hesitate to contact us!