Steels_ Metallurgy and Applications, Third Edition

378 Steels: Metallurgy and Applications

weight savings. Whereas Type 316 stainless is considerably more expensive, the

cost differential at float out is less than 15% compared with mild steel fabrica-

tions. A cost analysis 43 indicates that this initial differential is eliminated after

the first five years of operation due to the need for the first repaint on mild steel

at that time.

Based on this work, Type 316 stainless steel has now been used for wall

cladding on accommodation modules, ventilation louvres and other architectural

features on more than half the oil fields in the North Sea.

References

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41'

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