With ammonia stress corrosion cracking weld hardness should not exceed _______ BHN.
A) 237
B) 225
C) 235
D) 218
Correct Answer:
Verified
Q339: Geometry, stress level, number of cycles and
Q340: The primary factors affecting high temperature oxidation
Q341: SSC generally occurs below about _.
A) 225º
Q342: To prevent hydrogen embrittlement, use lower strength
Q343: Stress relief and stabilization heat treatment of
Q345: If wet electrodes or high moisture content
Q346: With sulfuric acid corrosion, carbon steel corrosion
Q347: The dewpoint of hydrochloric acid depends on
Q348: SOHIC is driven by localized stresses so
Q349: Dissimilar weld metal cracking can be aggravated
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