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(1) NACE(National Association of Corrosion Engineers) : RP-01-69 Revised 1976 Recommended Pracrices of Submerged Metallic Piping systems
(2) ASTM(America Society for Testing & Meterials) : A518-80, G-2 Standard Specification for Corrosion-Resistant High Silicon Iron Castings
(3) BSI CPI1021
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