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Composite Repair Calculator

ISO 24817:2017 calculation and review tool

ISO ENGINE ACTIVE
1

Design Standard

ISO 24817:2017
Active
Calculation engine available
ASME PCC-2:2022
Coming after ASME engine validation
ISO Worked Example Sanity Check

Load all inputs from ISO 24817:2017 Worked Example 1 to check the calculator against the published benchmark.

Published benchmark: 14.74 mm hoop, 4.64 mm axial, 12 layers.

2

Composite Repair System

Selected Template
SynthoGlass XT — XT-FP
Values Currently Used
SynthoGlass XT — XT-FP
Fabric
FEB-530 — Fiberglass
Resin
SPU-210 — Polyurethane
Template Ply Thickness
0.356 mm
Template Application Range
10 to 43 °C
Installation temperature 20°C is within the selected repair system's qualified application range.
3

Repair Classification

Type A structural assessment is also required for a Type B repair. For Type B, the greater of the structural and leak-sealing requirements will govern before component and restricted-landing factors are applied.
4

Design Conditions

years
MPa
°C
°C
MPa

Enter 0 for depressurised application.

5

Pipe / Component Geometry

mm
mm
mm
mm
mm

Leave blank when there is no landing restriction.

6

Substrate Properties

MPa
/°C
MPa

Default carbon-steel value = 138 MPa. Edit where required based on material, temperature and assessment basis.

MPa

Automatically calculated as Ps = 2 ts σs / (D − ts).

Substrate Pressure Calculation
Ps = 2 ts σs / (D − ts)
Ps = 2 × 2.54 × 138 / (406.4 − 2.54)
Ps = 1.736 MPa
7

Composite Repair System Properties

Values were loaded from SynthoGlass XT — XT-FP. They remain editable so the calculator can also be used for benchmark checks and controlled manual review.
MPa
MPa
MPa

Not required for the current Type A calculation.

/°C
/°C
°C
mm
MPa
8

Optional External Loads

kN
kN
kN·m
kN·m
Enter zero where the external load is not applicable. Internal-pressure end loading is handled by the ISO calculation engine.

Calculation results should be independently reviewed before engineering approval or issue.