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API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

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RISK-BASED INSPECTION METHODOLOGY, PART 2—PROBABILITY OF FAILURE METHODOLOGY 2-39

5.7 Tables

Table 5.1—Typical Examples of Protective Internal Linings

Lining Series ID

Environment

(Damage Mechanisms of Base Material)

Example Lining

Alloy linings Corrosive (thinning) Strip lined alloy

Organic coatings Corrosive (thinning) Organic coating or lining

Refractory High temperature (thinning, creep, erosion) Castable refractory

Plastic refractory

Refractory brick

Ceramic fiber refractory

Refractory/alloy combination

Glass lined Corrosive (thinning) Glass lined

Acid brick Corrosive (thinning) Brick/mortar

Table 5.2—Lining Types and Resistance

Description

Strip lined alloy (“wall papered”)

Organic coating:

Spray applied to 1 mm (40 mils) dry film thickness.

Trowel applied to 2 mm (80 mils) dry film thickness

Reinforced, trowel applied ≥2 mm (≥80 mils) dry film

thickness

Thermal resistance service:

Castable refractory

Plastic refractory

Refractory brick

Severe/abrasive service:

Castable refractory

Ceramic tile

Glass linings

Acid brick

Resistance

Typically subject to failure at seams

Limited life

Subject to occasional spalling or collapse

Limited life in highly abrasive service

Complete protection, subject to failure due to thermal or

mechanical shock

Partial protection. The brick provides thermal protection,

but is not intended to keep the fluid away from the base

material.

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