Common Material with an endurance limit?
Carbon Steel (CS)
Material subject to temper embrittlemet
Low Chromes
Common Material without an endurance limit?
Austenitic Stainless Steel
Subject to Chloride stress corrosion cracking
300 Stainless Steel
Subject to Polythenoic Acid stress- corrosion cracking
Sensitized 300 Stainless Steel
P-#s allowed to use Pre-Heat in lieu of PWHT
P1 and P3
P-#s allowed to use Controlled Deposition in lieu of PWHT
P1,P2,and P4