300 series stainless steel heater tubes in an oil-burning furnace in the hydrocracker began to leak and the furnace was brought down. What was the probable cause of the cracking?

300 series stainless steel heater tubes in an oil-burning furnace in the hydrocracker began to leak and the furnace was brought down. What was the probable cause of the cracking?
A . Chloride stress corrosion
B . Polythionic acid stress corrosion
C . Amine stress corrosion
D . Stress oriented hydrogen induced cracking

View Answer

Answer: B