Term
Whats a common Material with an endurance limit ( Fatigue carcking cannot occur below this stress level) |
|
Definition
CS
Carbon steel
Also Titanium, and low alloy steels
571: 4.2.16.3.b.1 |
|
|
Term
Whats a common material without an endurance limit |
|
Definition
SS
(Austenitic Stainless Steels)
571: 4.2.16.3.b.2 |
|
|
Term
What is the Ratio of endurance Limit Stress to Ultimate Tensile Stress for carbon Steel |
|
Definition
0.4-.05
571: 4.2.16.3.b.2 |
|
|
Term
What is the typical dew point of hydrochloric acid |
|
Definition
130°F
Answer found API571: 4.3.7.3.d |
|
|
Term
What is the Temperature where chloride stress corrosion cracking becomes a concern |
|
Definition
> 150°F
Answer found API 571:4.5.1.3.g |
|
|
Term
What are the Temperature swings that can cuase thermal fatigue |
|
Definition
+/- 200°F
Answer fouond
API 571: 4.2.9.3.c |
|
|
Term
At what temperature range is CUI most aggressive |
|
Definition
212-350°F
API 571: 4.3.3.3.b |
|
|
Term
What the typical dew point of sulfuric acid |
|
Definition
|
|
Term
What is the starting temp for sulfidation on Iron-based Alloys per API 571 |
|
Definition
|
|