API-570 DATA SHEETS- PERCENTAGES- Required Documents Flashcards
Design - Mill tolerance of seamless pipe
- 12.5%
574: 4.1.1.3
NDE - Limits of RT film density of weld as compared to IQI
-15 to 30 %
V: T-282.2.a.1
Pipe Class - % of H2S in process to classify as Class 1 pipe
<,- (less than or equal to) 3%
570: 6.3.4.2.c
NDE - % of welds RT when fabricating normal service pipe
5%
b31.3: 341.4.1.b.1
NDE- % of welds to VT when fabricating normal service pipe
5%
b31.3: 341.4.1.a.2
NDE- % of welds to Brinnell after PWHT in furnace (if BHN are required)
10%
b31.3: 331.1.7.a
NDE - overlap with a UT scan, % of transducer diameter
10%
574: 10.2.1.4.3
AI- Amount of time inspector must be involved in inspection activities - required to maintain API-570 certification
20%
570: A.3.2
Metals- amount of nickel required for a material to be considered a nickel alloy
> 30%
571: 3.1.15
NDE - % of welds to Brinnell after local PWHT (if BHN is reqd)
100%
b31.3: 331.1.7.a
NDE - % of visual & RT required when fabricating severe cyclic pipe
100 %
b31.3: 341.4.3.a.1/b
Testing - Pneumatic test pressure , % of design pressure
110%
b31.3: 345.5.4
Testing - leak test pressure of underground pipe, % of operating pressure
110%
570: 9.3.7
PRV- Maximum set pressure for thermal relief valves, % of design pressure
120%
b31.3 : 322.6.3.b.2
Document Owner/User must have that is following API-570
QA/Repair Manual
570: 4.3.1.1