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99299 IS PAINTING STRUCTURAL STEEL MORE EXPENSIVE THAN METALLIZING?

Picture for 99299 IS PAINTING STRUCTURAL STEEL MORE EXPENSIVE
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Product Number: 51300-99299-SG
ISBN: 99299 1999 CP
Author: Joseph T. Butler
Industries: Highways & Bridges , Oil and Gas Production
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Protective coating by metallizing with aluminum, zinc or zinc/aluminum alloy is the most effective means of combating structural steel corrosion. This is a totally under-utilized technology in North America both in the public sector, bridges for example, and in industry for oil production facilities on-shore and offshore, platforms, refineries, etc. Why isn’t it used? The slow application rates of the old flame spray process resulted in high application costs. Today’s high deposition electric arc spray equipment has much higher production rates which help to make metallizing competitive with high performance paints even on a first cost basis. Another impediment to the use of metallizing is the lack of a clear, concise procedure for evaluating life cycle cost (LCC). Owners and engineers who recognize the life cycle savings by metallizing will specify its use rather than painting and re-painting. Keywords: aluminum, life cycle cost present value, zinc, zinc-aluminum.
Protective coating by metallizing with aluminum, zinc or zinc/aluminum alloy is the most effective means of combating structural steel corrosion. This is a totally under-utilized technology in North America both in the public sector, bridges for example, and in industry for oil production facilities on-shore and offshore, platforms, refineries, etc. Why isn’t it used? The slow application rates of the old flame spray process resulted in high application costs. Today’s high deposition electric arc spray equipment has much higher production rates which help to make metallizing competitive with high performance paints even on a first cost basis. Another impediment to the use of metallizing is the lack of a clear, concise procedure for evaluating life cycle cost (LCC). Owners and engineers who recognize the life cycle savings by metallizing will specify its use rather than painting and re-painting. Keywords: aluminum, life cycle cost present value, zinc, zinc-aluminum.
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