What kind of stainless steel material is better for the electric heating tube? This depends on what is being heated.
1. Heating the liquid
For heating ordinary water, the material is 316L stainless steel, and for heating corrosive liquids, 316L stainless steel + anti-corrosion coating or Teflon is better.
2. Heating the air
The electric heating tube that heats the air is made of 310S stainless steel, which can withstand a temperature of 700 degrees.


