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API 571 study question
API 571 Code
9
Other
Professional
05/19/2013

Additional Other Flashcards

 


 

Cards

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

280°F

 

API 571: 4.3.7.3.c

Term
What is the starting temp for sulfidation on Iron-based Alloys per API 571
Definition

500°F

 

571:4.4.2.3.c

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