Surface Initiated Cracks Caused by Environmental Cracking of 300 Series

Surface initiated cracks caused by environmental cracking of 300 Series SS and some nickel based alloys under the combined action of tensile stress, temperature and an aqueous chloride environmental is called ________. The presence of dissolved oxygen ___________ the propensity for cracking.

A) Cl SCC, Increases
B) Stress cracking, Increases
C) Cl SCC, Decreases
D) Stress cracking, Decreases