China Biomass Energy Plants Carbon Steel Boiler Hot Air Preheater Air Heater Tubes, Find details about China Enamel Pipe, Chemical Enamel Pipe from Biomass Energy Plants Carbon Steel Boiler Hot Air Preheater Air Heater Tubes
Enamel thickness | About 0.3mm (or according to the actual situation) |
Curvature | less than 5% |
Appearance | smooth, without sagging and bottom leakage |
Steam resistance | allowable weight loss ≤ 4mg / M ² |
Sulfuric acid resistance | allowable weight loss ≤ 3.5mg/m ² |
Boiling water resistance | allowable weight loss ≤ 2.2mg/m ² |
Chilling test | circulate in cold water from 360 ºC to room temperature for 5 times |