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"Paint Grip" steel is mill phosphatized or galvannealed. o Galvanneal steel is, as its name implies, annealed. This annealing softens the steel, making it more prone to dings and dents. o Mill phosphatized steel has a zinc phosphate coating. Zinc phosphate is considered dangerous to aquatic life and special handling is required at the mill
Accellent – Cardiology; Phase II METAL DUCTS – CD Pricing/Permit; April 24, 2008 15891 2 A. Protection. Protect shopfabricated and factoryfabricated ductwork, accessories and purchased products from damage during shipping, storage and handling. Prevent end damage and prevent dirt and moisture from entering ducts and fittings.
SSPCSP7/NACE 4: Brushoff blast cleaning to eliminate contaminants visible without magnification; mill scale, coatings, and rust may remain if they cannot be removed with a dull putty knife SSPCSP10/NACE 2: Nearwhite blast cleaning to eliminate unmagnified visible contaminants of .
ExposedSurface Finish: Mill phosphatized. Structural Steel Shapes and Plates: Comply with ASTM A36/A36M. Provide zinc rich weldable primer finish unless otherwise scheduled. Acoustical Air Plenums. Duct silencers, with testingverified performance, can attenuate sound better than many duct design features where performance is only approximated.
B. Penetrations: Where ducts pass through interior partitions and exterior walls, and are exposed to view, conceal space between construction opening and duct or duct insulation with sheet metal flanges of same gage as duct. Overlap opening on 4 sides by at least 11/2". Fasten to duct and substrate. Provide fire or firesmoke dampers as
Finishes for Surfaces Exposed to View: Mill phosphatized. More details » Get Price. Read SECTION 15815 METAL DUCTS. Readbag users suggest that SECTION 15815 METAL DUCTS is worth reading. ... EXPOSED DUCT, WI MILL PHOSPHATIZED FINISH. More details » Get Price. SECTION 07600 FLASHING AND SHEET ... City of San Diego. mill phosphatized ...
This phosphatized (also known as "bonderized" or "phosbond") has all the corrosion resistant benefits of galvanized but it can be painted. However, this product is only produced by a few domestic mills and thus becoming less and less specified in our industry.
Galvanizing: 11/4 ounces per square foot total both sides; ducts to have millphosphatized finish for surfaces exposed to view. C. Stainless Steel: ASTM A 480/A 480M. D. Aluminum Sheets: ASTM B 209 (ASTM B 209M), alloy 3003, temper H14; with mill finish for concealed ducts and standard, 1side bright finish for exposed ducts.
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ANSI/ASTM A 525, G90 zinc coating; mill phosphatized for exposed locations. B. Contact Molded Fiberglass Reinforced Plastic: The National Bureau of Standards "Voluntary Product Standard, PS1569" shall form the minimum basis for the fabrication of these FRP exhaust duct .
Galvanized sheet steel with a mill‐phosphatized finish is used for ducts exposed to view and aluminum sheet is used for concealed ducts. It meets section as an exception for resistance to mold growth and erosion. Other duct accessories are made to comply with standard test methods.
2. ExposedSurface Finish: Mill phosphatized. C. Reinforcement Shapes and Plates: Galvanizedsteel reinforcement where installed on galvanized sheet metal ducts; compatible materials for aluminum and stainlesssteel ducts. D. Tie Rods: Galvanized steel, 1/4inch minimum diameter for lengths 36 inches or less; 3/8inch minimum
1. ExposedSurface Finish: Mill phosphatized. C. StainlessSteel Sheets: Comply with ASTMA 480/A 480M, Type 304 except for Lab exhaust, which shall be Type 316. D. Aluminum Sheets: Comply with B 209, Alloy 3003, TemperASTM H14; with mill finish for concealed ducts and standard, 1side bright finish for exposed ducts.
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coating designation; ducts shall have millphosphatized finish for surfaces of ducts exposed to view. C. Stainless Steel: ASTM A 480/A 480M, Type 316, sheet form with No. 4 finish for surfaces of ducts exposed to view; and type 304, sheet form No. 1 finish for concealed ducts.
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Aug 01, 2012· designation; millphosphatized finish for surfaces of ducts exposed to view. B. PVCCoated Galvanized Steel: UL 181, Class 1 listing. Lockformingquality, galvanized, sheet steel with ASTM A 653/A 653M, G90 coating designation; factoryapplied, 4mil PVC coating on exposed surfaces of ducts and fittings (exterior of ducts
ExposedSurface Finish: Mill phosphatized. C. StainlessSteel Sheets: Comply with ASTM A 480/A 480M, Type 304, and having a [No. 2]
A. Galvanized Steel Ducts: Lockforming quality; ASTM A 653/A 653M, G90 (Z275) coating designation; millphosphatized finish for surfaces of ducts exposed to view. B. Comply with SMACNA''s "HVAC Duct Construction StandardsMetal and Flexible" for acceptable materials, material thicknesses, and duct construction methods, unless
Galvanized Sheet Steel Lockforming quality ASTM A653 G90 coating designation millphosphatized finish for surfaces of ducts exposed to view CarbonSteel Sheets ASTM A366 coldrolled sheets commercial quality with oiled exposed matte finish Stainless Steel ASTM A480 Type 316 sheet form with No 4 finish for surfaces of ducts exposed to view and Type 304 sheet form with No 1 11/4 ounces per ...
2. ExposedSurface Finish: Mill phosphatized C. StainlessSteel Sheets: Comply with ASTM A 480/A 480M, Type 304. D. Aluminum Sheets: Comply with B 209 (ASTMASTM B 209M), Alloy 3003, Temper H14; with mill finish for concealed ducts and standard, 1side bright finish for exposed ducts.
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Insulated Rectangular Ducts Inner Metal Shell Inner Metal Shell Material (if used) Insulation Layer Welds painted (aluminum), labels and markings on outside Outer Metal Shell Gauges Transverse Connectors Surface Preparation / Appearance Welds painted (aluminum), removable labels, no mill or shopmarkings on outside Welds not painted, removable ...
Paintgrip material is phosphatized – sometimes referred to as "bonderized" ‐ at the mill which allows the user to paint in the as‐received condition. This phosphate coating provides enhanced paint adhesion and improved corrosion resistance
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