api 579 section 5 level 2 assessment

API 579 SECTION 5 - Assessment of local metal loss

Level 2 Assessment

Internal design pressure: PsigInside Diameter: inNominal thickness: inYield stress: PsigAllowable tensile stress: PsigAllowable compressive stress: PsigAllowable RSFWeld joint efficiency:Longitudinal weld joint efficiency:Uniform metal loss: inEstimated corrosion rate: mpyTime for next inspection: yearsFuture Corrosion Allowance: 0 in

Minimum thickness suplemental loads: inMinimum required thickness: Circumf.: #DIV/0! in

Longit. #DIV/0! inMAWP: Circumf.: #DIV/0! Psig

Longit. #DIV/0! Psig

Minimum required thickness: #DIV/0! inMAWP: #DIV/0! Psig

EVALUATION OF THE LONGITUDINAL EXTENT OF THE FLAW

MINIMUM RSF= #DIV/0! #DIV/0!

POINT 1

Shell Parameter

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

POINT 2

Shell Parameter


POINT 3

Measured Thickness

Length of metal loss

Aprox. area of metal loss

Original metal area

Measured Thickness



Original metal area

Shell Parameter


POINT 4

Shell Parameter


POINT 5

Shell Parameter

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

Measured Thickness



Original metal area

Measured Thickness



Original metal area

Measured Thickness



Original metal area

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

POINT 6

Shell Parameter


POINT 7

Shell Parameter


Measured Thickness



Original metal area

Measured Thickness



Original metal area

POINT 8

Shell Parameter


POINT 9

Shell Parameter


POINT 10

Shell Parameter

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

Measured Thickness



Original metal area

Measured Thickness



Original metal area

Measured Thickness



Original metal area

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

POINT 11

Shell Parameter


POINT 12

Shell Parameter


Measured Thickness



Original metal area

Measured Thickness



Original metal area

POINT 13

Shell Parameter


POINT 14

Shell Parameter


POINT 15

Shell Parameter

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

Measured Thickness



Original metal area

Measured Thickness



Original metal area

Measured Thickness



Original metal area

0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!0.000 0.00 #DIV/0! #DIV/0! #DIV/0!

MINIMUM RSF=

EVALUATION OF THE LONGITUDINAL EXTENT OF THE FLAW

Folias Factor RSF

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!

Minimum RSF: #DIV/0!

Folias Factor RSF



Folias Factor RSF



Folias Factor RSF



Folias Factor RSF

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!


Folias Factor RSF



Folias Factor RSF



Folias Factor RSF



Folias Factor RSF



Folias Factor RSF

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!


Folias Factor RSF



Folias Factor RSF



Folias Factor RSF



Folias Factor RSF



Folias Factor RSF

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!

#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!#DIV/0! #DIV/0!


MINIMUM RSF= #DIV/0!

EVALUATION OF THE CIRCUMFERENTIAL EXTENT OF THE FLAW

Di = 0.00Do = 0.00

Df = 0.00Applied section axial force , F (lbs) =θ = #DIV/0!

Aa = 0.00Am = 0.00

Ix = Iy = 0.00Af = #DIV/0!

Aw = #DIV/0!y = #DIV/0!

xa = 0.00ya = #DIV/0!xb = #DIV/0!yb = #DIV/0!b = #DIV/0!

R = 0.00d = 0.00

Atf = 0.00

#DIV/0!Allowable stress factor, H (in-lbs) =

#DIV/0!

#DIV/0!

#DIV/0!

#DIV/0!At = 0.00

σlm(a) = #DIV/0! #DIV/0!σlm(b) = #DIV/0! #DIV/0!

Maximum Allowable Working Pressure, MAWPr (Psi)

Applied section bending moment about the x-axis, Mx (in-lbs)=Applied section bending moment about the y-axis, My (in-lbs) =Applied net-section torsion as applicable, MT (in-lbs) =Applied net-section shear force as applicable, V (lbs) =

Maximum longitudinal membrane stress, σlm (Psi) =Maximum circumferential stress (hoop stress from pressure), σcm (Psi) =Maximum shear stress in the region of local metal loss, ζ (Psi) =

yLX =

ILX =

Iא =

ILY = (σ2cm – σcm σlm + σ2lm + 3

IЎ =If σlm is compressive, then σlm ≤ Allowable stress

Weight Load Case

Weight plus Thermal Load Case

EVALUATION OF THE CIRCUMFERENTIAL EXTENT OF THE FLAW

Weight Load Case

#DIV/0! #DIV/0!

Applied section axial force , F (lbs) =

#DIV/0! #DIV/0!

#DIV/0! #DIV/0!

#DIV/0! #DIV/0!

Allowable stress factor, H (in-lbs) = 0.75 1.5

#DIV/0! #DIV/0!

#DIV/0! #DIV/0!

Weight plus Thermal Load Case

Maximum Allowable Working Pressure, MAWPr

Applied section bending moment about the x-axis, Mx (in-lbs)=Applied section bending moment about the y-axis, My (in-lbs) =Applied net-section torsion as applicable, MT (in-

Applied net-section shear force as applicable, V

Maximum longitudinal membrane stress, σlm

Maximum circumferential stress (hoop stress from pressure), σcm (Psi) =Maximum shear stress in the region of local metal loss, ζ (Psi) =

cm σlm + σ2lm + 3τ2 )1/2 ≤ H σys

If σlm is compressive, then σlm ≤ Allowable

api 579 section 5 level 2 assessment

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