Mechanical Supplies
Stainless steel
About
- Stainless steel sheet and coil in 304 and 316/316L, in 2B mill, brushed and mirror finishes. 316 contains molybdenum and holds up to chlorides where 304 will pit, the distinction matters on the coast and in wet processes.
Application
Used for kitchen grease extract ductwork, hospital and pharmaceutical ducting, swimming pool and laundry exhaust, coastal outdoor plant and any hygienic application that must be washed down. NFPA 96 requires a continuously welded liquid-tight duct for grease extract, which is why stainless is specified over the kitchen line rather than coated galvanised.
Standards & Reference 5 cited
ASTM A240
Chromium and chromium-nickel stainless steel plate, sheet and strip: the grade designations behind 304 and 316.
NFPA 96
Ventilation and fire protection for commercial cooking operations: the standard behind kitchen extract design.
Also citedASTM A480EN 10088-2ASTM A554
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