0000095188 00000 n
16 gauge for machine cabinet thickness 1.6 mm. Metallic ducts shall be fabricated in accordance with SMACNA Duct … 0000001042 00000 n
0000025525 00000 n
Information Required for Duct Construction 1. reinforcement code for duct thickness (mm) reinforcement spacing options (m) duct dimension 3.0 2.4 1.8 1.5 1.2 0.90 0.75 0.60; 250 dn. MATERIAL THICKNESS ASTM TYPE DUCT END TREATMENT Galvanized 26 - 18 gauge A-653 G60-G90 48”, 60”, 72”* Paint Grip 24 - 18 gauge A-653 A60 60” PVS 24 - 18 gauge … %%EOF
20 gauge for duct size above 1200 mm to 3000 mm (48"-120") thickness 1 mm. Gauge and weight chart for sheet steel, galvanized steel, stainless steel, aluminum and strip … 0000003975 00000 n
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The thinnest acceptable sheet metal for ductwork used in a single dwelling is 28 gage or 0.013 and 0.018 inches for galvanized and aluminum, respectively. B. Weight per square foot in pounds avoirdupois. 0000001350 00000 n
AS4254: Duct Classification Standard • Duct pressure classification tables found in the AS 4254 such as low, medium or high pressure • AS4254 explains duct thicknesses, sealing, reinforcement and functional requirements. 0000095448 00000 n
A gauge chart to determine sheet metal thickness. For high velocity duct system gauge ranges from 26 to 16 but thickness is different. The types of fittings to be used based on the designer's calculations of fitting losses (i.e., square versus … Diam. Weight per square foot in ounces avoirdupois. M1601.1.1 Above-ground duct systems. 10 0 obj<>
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EASTERN TIGHT ROUND SPIRAL DUCT AND FITTINGS CONSTRUCTION STANDARDS Gauge selection for galvanized steel (ASTM A653) or paint grip. %PDF-1.4
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Minimum thickness of metal duct material shall be as listed in Table M1601.1.1(2). Number of gauge. The types of fittings to be used based on the designer's calculations of fitting losses (i.e., square versus 45° entry taps, conical versus straight taps, etc. 0000055715 00000 n
0000000836 00000 n
0.60(24G) to 1.00mm{20G) Thickness of flat-oval spiral ducts as per SMACNA "HVAC Duct Construction Standards" -1985. Residential Duct Sizing Guide The following duct sizes are based on a fraction drop of .10 inches per 100 feet of lineal duct. 0000003586 00000 n
A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. 2. h�b```f``�g �����Y8�Ř��������m��J1s��6�.թP�� ��/
COURSE CONTENT 1. This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 … 鿟Nv��1��E�u/���|�@�)P ���W"��)(!�3H�..�����N;����a��ٌdM���(8�z�W��؇�mS�ƭ��*#�9��l��ߖ�KW�������@?QN�ǃ9�$͡��ܴ+M� ��ԇ��nw��\�>4������q5�{2o�͢�ܵƕ;r۴{]�}_^��_��l���� %�3������,���Z{pMK~. Note: commonly for G.I sheet 22 and 24 gauge are used in actual … hެRmk�0�+�q���-�l(����҅ڬ����%�� PVS 24 - 18 gauge A-653 4 x 1, 4 x 4 59” Slip and Drive Aluminum .032 - .050 B-316 3003 H-14 47” Stainless Steel 24 - 20 gauge A-240 304 or 316 47” *Check with factory for availability of 71” in 26 gauge galvanized Raw Ductwork and Fittings Raw duct is fabricated for proprietary duct connection systems. 10 27
It's Okay to Ask "Wye" - When to use which Y and why. Metric Tap Chart: O-Ring Sizes ... Taper Pins: Taper Shank Dimensions: Washer Sizes: Wire Gauges: Wood Screw Dimensions: Sheet Metal Gauges and Weights. 22 0 obj
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Approximate thickness in fractions of an inch. endstream
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per Sq. Gauges are neither standard nor metric and the values are independent of those measurement systems. 0000001132 00000 n
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Steel gauge actually refers to the standard thickness of a sheet metal which follows an inversely proportional relationship between the gauge and thickness; in which the gauge increases when the sheet metals thickness falls and vice versa. Contractor shall allow for exterior insulation thickness as required and indicate this on the ductwork layout shop drawings. 0
Tel: 800.400.7833 323.723.8836 Fax: 323.888.9866 2187 S. Garfield Avenue Los Angeles, CA 90040 The thinnest acceptable sheet metal for ductwork used in a single dwelling is 28 gage or 0.013 and 0.018 inches for galvanized and aluminum, respectively. Gauge Sheet Steel Galvanized Steel Stainless Steel Aluminum Gauge Decimal Lbs. Thickness. Stainless startxref
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Galvanized steel shall conform to ASTM A 653. HVAC Calculations and Duct Sizing Gary D. Beckfeld, M.S.E., P.E. 0000002308 00000 n
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Gauges are used to specify the thickness of a sheet metal. 10 0 obj
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18 gauge for duct size above 3000 mm (120") thickness 1.2 mm. xref
Gauge Decimal Lbs. 1. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. endstream
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This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches. 0000001852 00000 n
9707 Williams Road Thonotosassa, FL 33592 Fax (813) 413-8377 Tel (813) 413-8230 Toll free (877) CDS–DUCT 237-3828 Spiral Duct Specifications Weight per square foot in kilograms. 12 0 obj<>stream
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GAUGE TO THICKNESS CHART (Click here for a printable PDF chart)Gauge. ). 0000007364 00000 n
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Standard Gauges of Sheet Metal Chart: Related Product(s)>> The thickness of sheet metal is commonly specified by a traditional, non-linear measure known as its gauge. h�bbd``b`r~@�������f�$����0 �8�
The following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a "gauge" (sometimes spelled gage) and indicates the standard thickness of sheet metal and wire.For most materials, as the gauge number increases, the material thickness decreases. xÚb`````ÇÀÀÀXp01G# 30h0ð300i0eN0aH88µ1U÷
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Sheet Metal Gauge Thickness Chart ( to mm/inch Comversation) Gauge Number Standard Steel Galvanized Steel Stainless Steel Aluminum, Brass, Copper in mm in mm in mm in mm 3 0.2391 6.073 0.2294 5.827 4 0.2242 5.095 0.2344 5.954 0.2043 5.189 5 0.2092 5.314 0.2187 5.555 0.1819 4.62 trailer
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Heat Conduction and Thermal Resistance For steady state conditions and one dimensional heat transfer, the heat q conducted through a plane wall is given by: q = kA(t1 - t2) L Btu hr (Eq.1) Where: L = the thickness … per 0000007912 00000 n
Approximate thickness in decimal parts of an inch.
Smaller sizes may also be corrugated. These are American (Brown & Sharpe) Gauges. For 18 ga CRS the weight is 2.0 pounds per square foot and for 20 ga CRS the weight is 1.5 pounds per square foot. Gauge Gauge Gauge Gauge Gauge Gauge 6” 220.4 8” 69.2 121.2 10” 34.6 110.6 691.7 12” 22.0 55.1 249.2 1107.0 14” 15.3 38.5 110.6 456.6 2767.7 16” 11.0 27.5 105.1 236.2 1383.8 5258.6 20” 7.8 16.5 38.5 99.6 332.2 1245.6 22” 7.2 14.1 30.3 72.0 221.2 692.1 24” 5.5 11.8 24.8 55.5 155.1 387.4 A comprehensive duct layout indicating sizes, design airflows, pressure class, and routing of the duct system. Above-ground duct systems shall conform to the following: 4. Round ducts and enclosed rectangular ducts 14 inches or less minimum thickness 0.0157 equivalent galvanized gauge size 28. All galvanized spiral duct 6” and larger is corrugated unless ordered without corrugation. Ft. 0000002735 00000 n
Thus, a 10 gauge steel sheet which has a thickness of 0.1345 inches will weigh 41.82*0.1345 = 5.625 pounds per square foot. 0000025791 00000 n
Cutting Into Existing Duct Work Question Refer to table 2.3 for duct thicknesses and reinforcement methods • Changes to 2012 edition as follows: 0000006215 00000 n
Approximate thickness in millimeters. This "Equal-Friction" method of duct sizing should be adequate for normal residential furnace heating and air conditioning applications. GAUGE TO THICKNESS CHART Gauge Stainless Galvanized Sheet Steel Aluminum Fraction inches (mm) inches (mm) inches (mm) inches (mm) 30 0.0125 (0.33) 0.0157 (0.40) 0.0120 (0.30) 0.0100 (0.25) duct guage and enforcing for 1” ess & drive (+/-) heavy ga metal gauge of metal duct dimensions 5’ joint 4’ joint 2.5’ joint 2’ joint joint construction reinforcing 0-12” 26 26 26 26 flat esses & drive none 13-30” 24 24 24 24 1”st esses & drive none 31-54” 22 22 22 22 1”st esses & drive none Gauge and Weight Chart for Sheet Steel, Galvanized Steel,Stainless Steel, and Al September 1st, 2004 This article provides a quick reference to gauges of material, pounds per square foot, and gauge decimal equivalents. 22 gauge for duct size up to 1200 mm (48") thickness 0.8 mm. 0.70 b-0.55: b-0.55: b-0.55: b-0.55: b-0.55: b-0.55: 251, 300: 0.85: not required: b-0.70: b-0.70: b-0.55: b-0.55: b-0.55: b-0.55: b-0.55: 301, 350: 1.00: c-0.85: c-0.70: c-0.70: c-0.55: c-0.55: b-0.55: b-0.55: 351, 400: 1.31: c-0.85: c-0.70: c-0.70: c-0.55: c-0.55: c-0.55: c-0.55: 401, 450 Sheet Metal Gauge Thickness Chart 2019-10-24T01:36:33+00:00. 2. Fittings are assembled with stitch welds, spot welds, or standing seams and are sealed. Thickness Weight Per Area; Gauge in mm lb/ft² kg/m²; 8: 0.1681: 4.270: 6.858: 33.482: 9: 0.1532: 3.891: 6.250: 30.514: 10: 0.1382: 3.510: 5.638: 27.527: 11: 0.1233: 3.132: 5.030: 24.559: 12: 0.1084: 2.753: 4.422: 21.591: 13: 0.0934: 2.372: 3.810: 18.603: 14: 0.0785: 1.994: 3.202: 15.636: 15: 0.0710: 1.803: 2.896: 14.142: 16: 0.0635: 1.613: 2.590: 12.648: 17: 0.0575: 1.461: 2.346: 11.453: 18: 0.0516: 1.311: … 0000008361 00000 n
The following table indicates the minimum duct gauge based on largest dimension of the duct for fans with external static pressure over 4 inches W.G. Examples: 16 ga CRS is 2.5 pounds per square foot. Weight per square meter in kilograms. 0000001467 00000 n
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