1
Q
Common material with an endurance limit (fatigue cracking cannot occur below this stress level)
A
CS
2
Q
Subject to temper – embrittlement
A
Low Chromes
3
Q
Common material without an endurance limit
A
Aust. SS
4
Q
Subject to chloride stress – corrosion cracking
A
300 SS
5
Q
Subject to polytheonic Acid stress – corrosion cracking
A
Sensitized 300 SS
6
Q
P-#’s Allowed to use pre-heat in lieu of PWHT
A
P1 and P3
7
Q
P-#’s Allowed to use controlled Deposition in lieu of PWHT
A
P1, P3, and P4
