PIPE ROUGHNESS VALUES - pumpfundamentals.com
5764 Monkland avenue, Suite 311, Montreal, Quebec, Canada H4A 1E9 Tel: (7867) Fax: E-mail: Web site: pipe ROUGHNESS VALUES Jacques Chaurette p. eng., Fluide Design Inc. February 2003 pipe absolute ROUGHNESS VALUES (RMS) Material Absolute ROUGHNESS (in x 10-3) Absolute ROUGHNESS (micron or m x 10-6) Riveted steel1 36-360 915-9150 Concrete1 12-120 305-3050 Ductile iron2 102 2591 Wood stave1 91-183 Galvanized iron1 6 152 Cast iron asphalt dipped1 122 Cast iron uncoated1 10 254 Carbon steel or wrought iron1 45 Stainless steel1 45 Fiberglass3 5 Drawn tubing glass, brass, plastic1 Copper2 Aluminium2 PVC2 Red brass2 Sources : 1. Cameron hydraulic data Book 2. Enginereed Software s pipe -FLO software 3. Fiberglass pipe Handbook, SPI Composites Institute
5764 Monkland avenue, Suite 311, Montreal, Quebec, Canada H4A 1E9 Tel: 514.484.PUMP (7867) Fax: 514.484.2294 E-mail: jchaurette@fluidedesign.com Web site: www ...
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