Intumescent Coating. D972 1 of 6. 3Fire Protection Products

esign No. 972 April 06, 2010 Assembly Ratings 1, 1-1/2, 2 and 3 Hr. (See Items 2, 5 and 7) Assembly Ratings 1, 1-1/2, 2, 2-1/2 and 3 Hr. (See Items 2, 5 and 7) Beam Ratings 1, 1-1/2, 2, 2-1/2 and 3 Hr. (See Items 2, 5 and 7) Load Restricted for Canadian Applications See Guide BXUV7 1. Steel Beams Wide flange steel beams with the minimum sizes shown in Item 7. Beams shall be free of dirt, loose scale and oil. Beams shall be primed with 2 mils dry film thickness of alkyd based metal primer. 2. Normal Weight or Lightweight Concrete Normal weight concrete, carbonate or siliceous aggregate, min 3000 psi compressive strength, vibrated. Lightweight concrete, expanded shale, clay or slate aggregate by rotary-kiln method, min 3000 psi compressive strength, vibrated, 4 to 7 percent entrained air. Min thickness and concrete unit weight shown in the table below: Concrete Concrete Unit Concrete Assembly Rating Hr (Type) Weight pcf Thkns In. 1 Normal Weight 147-153 3-1/2 1-1/2 Normal Weight 147-153 4 2 Normal Weight 147-153 4-1/2 3 Normal Weight 147-153 5-1/4 3/4 or 1 (See Item 6) Lightweight 107-113 2-1/2 1 Lightweight 107-120 2-5/8 1-1/2 Lightweight 107-113 3 2 Lightweight 107-113 3-1/4 2 Lightweight 107-116 3-1/4* 2 Lightweight 114-120 3-1/2 3 Lightweight 107-113 4-3/16 3 Lightweight 114-120 4-7/16 *For use with 2 or 3 in. steel floor and form units only. 3. Shear Connectors (Optional) Studs, 3/4 in. diam by 4-1/2 in. long, headed type or equivalent per AISC specification. Welded to the top flange of the beam, through the deck. 4. Welded Wire Fabric 6x6 W1.4xW1.4. 5. Steel Floor and Form Units* Composite 1-1/2, 2, or 3 in. deep galv Units. Fluted units may be uncoated. Min gauges 22 MSG for fluted and 20/20 MSG for cellular. Any combination of fluted and cellular units may be used. Spacing of welds attaching units to supports shall be 12 in. OC max unless specified otherwise, adjacent units button-punched or welded together at side joints and, unless specified otherwise for specific unit types, spacing of all side joint fastening systems shall not exceed 36 in. OC. CONSOLIATE SYSTEMS INC 24 in. wide Types CF-2, -3; 24, 30 or 36 in. wide Type CF-1.5;12, 24 or 36 in. wide Types Mac-Lok 2, Mac-Lok 3; 12 in. wide Mac-Way Cellular Types 2-633MTWA, 3-633MTWA, 2-633MTWV, 3-633MTWV. For the 1, 1-1/2, 2h Assembly Ratings and the 1h Assembly and Beam Rating, 12 in. wide, Type 1.5-633 MTWA may be used. Types CF-1.5, CF-2, CF-3, Mac-Lok 2, Mac-Lok 3 may be phos/ptd. Two rows of steel studs with discs (Item 7) shall be welded along the sides of the Types 2-633MTWV, 3-633MTWV cellular units a max of 22 in. OC. NEW MILLENNIUM BUILING SYSTEMS L L C Type 1.5C, 2.0C or 3.0C. Units may be phos/painted or galvanized. VULCRAFT, IV OF NUCOR CORP 24, 30 or 36 in. wide Type 1.5VLI, 1.5VLP;24 or 36 in. wide Types 2VLI, 3VLI, 2VLP, 3VLP. Types 1.5VLI, 2VLI, 3VLI units may be phos/ptd; 24 or 36 in. wide Types 2VLJ, 3VLJ units (+) may be used for max 2 hr. Assembly. (+)Side joints of Type 2VLJ or 3VLJ units may be fastened together with No. 8-3/4 in. long self-drilling Tek screws driven diagonally from the top side through the joint of the units at 36 in. OC max. The Assembly Rating is equal to the Beam Rating for a max of 3 Hr. and is limited to the following units and limitations: (a) 1-1/2 in. deep, 24 in. wide, 22 MSG or thicker fluted with clear spans not more than 7 ft 8 in. (b) 1-1/2 in. deep, 24 in. wide, 20 MSG or thicker fluted with clear spans not more than 8 ft 8 in. (c) 1-1/2 in. deep, 24 in. wide, 16 MSG or thicker fluted and 18/18 MG or thicker cellular with clear spans not more than 9 ft 11 in. (d) 3 in. deep, 36 in. wide, 18 MSG or thicker fluted and 24 in. wide, 20/18 MSG ot thicker cellular with clear spans not more than 13 ft 2 in. 6. Joint Cover (Not Shown) 2 in. wide pressure sensitive cloth tape. 7. Mastic Coating* Coating spray applied directly from containers to desired thickness. See table for appropriate final dry thickness. Flutes above beam to be completely filled with mineral wool insulation having a minimum density below of 6 lbs/cu ft or the top flange of the beam shall be protected with the same thickness of coating as required on the beam. 972 1 of 6

esign No. 972 continued Max 3 Steel Size W/ Thickness, Mils Thickness, Mils W6x16 0.684 66.4 66.4 144.8 NR NR NR W12x30 0.699 66.0 66.0 143.5 NR NR NR W16x36 0.702 65.9 65.9 143.2 NR NR NR W8x24 0.704 65.8 65.8 143.0 NR NR NR W10x26 0.708 65.7 65.7 142.7 NR NR NR W14x34 0.725 65.2 65.2 141.1 NR NR NR W21x44 0.746 64.6 64.6 139.2 NR NR NR W21x48 0.750 64.5 64.5 138.8 NR NR NR W18x40 0.768 63.9 63.9 137.2 NR NR NR W5x19 0.776 63.7 63.7 136.5 NR NR NR W16x40 0.780 63.6 63.6 136.1 NR NR NR W10x33 0.786 63.4 63.4 135.6 NR NR NR W8x31 0.803 62.9 62.9 134.0 NR NR NR W10x30 0.809 62.7 62.7 133.5 NR NR NR W14x38 0.809 62.7 62.7 133.5 NR NR NR W12x35 0.810 62.7 62.7 133.4 NR NR NR W8x28 0.819 62.4 62.4 132.6 NR NR NR W24x55 0.828 62.2 62.2 131.8 NR NR NR W21x50 0.838 61.9 61.9 130.9 NR NR NR W6x25 0.839 61.8 61.8 130.8 NR NR NR W21x55 0.854 61.4 61.4 129.4 NR NR NR W12x40 0.860 61.2 61.2 128.9 NR NR NR W16x45 0.870 60.9 60.9 127.9 NR NR NR W14x43 0.874 60.8 60.8 127.6 NR NR NR W18x46 0.878 60.7 60.7 127.2 NR NR NR W18x50 0.880 60.6 60.6 127.0 NR NR NR W8x35 0.907 59.8 59.8 124.6 NR NR NR W10x39 0.929 59.2 59.2 122.6 NR NR NR W24x62 0.934 59.0 59.0 122.1 NR NR NR W24x68 0.942 58.8 58.8 121.4 NR NR NR W21x57 0.952 58.5 58.5 120.5 NR NR NR W21x62 0.952 58.5 58.5 120.5 NR NR NR W16x50 0.962 58.2 58.2 119.6 NR NR NR W18x55 0.963 58.2 58.2 119.5 NR NR NR W14x48 0.970 58.0 58.0 118.9 NR NR NR W12x45 0.974 57.8 57.8 118.5 NR NR NR W10x49 1.010 56.8 56.8 115.2 NR NR NR W12x53 1.020 56.5 56.5 114.3 NR NR NR W30x90 1.020 56.5 56.5 114.3 NR NR NR W8x40 1.030 56.2 56.2 113.4 NR NR NR W27x84 1.030 56.2 56.2 113.4 NR NR NR W18x60 1.040 55.9 55.9 112.5 NR NR NR W21x68 1.040 55.9 55.9 112.5 NR NR NR W24x76 1.050 55.6 55.6 111.6 NR NR NR W10x45 1.060 55.3 55.3 110.7 NR NR NR W12x50 1.060 55.3 55.3 110.7 NR NR NR W14x53 1.060 55.3 55.3 110.7 NR NR NR W16x57 1.090 54.4 54.4 108.0 NR NR NR W16x67 1.090 54.4 54.4 108.0 NR NR NR W12x58 1.100 54.1 54.1 107.1 NR NR NR W14x61 1.100 54.1 54.1 107.1 NR NR NR W10x54 1.110 53.8 53.8 106.1 NR NR NR W12x65 1.110 53.8 53.8 106.1 NR NR NR W21x73 1.110 53.8 53.8 106.1 NR NR NR W30x99 1.120 53.5 53.5 105.2 NR NR NR W18x65 1.130 53.2 53.2 104.3 NR NR NR W18x76 1.130 53.2 53.2 104.3 NR NR NR W24x84 1.150 52.6 52.6 102.5 NR NR NR W27x94 1.150 52.6 52.6 102.5 NR NR NR The following thicknesses apply for fluted and cellular floor units topped with lightweight or normal weight concrete. Thicknesses include the 2 mils of primer: 972 2 of 6 NR - Not Rated Max 3 Steel Size W/ Thickness, Mils Thickness, Mils W8x48 1.210 50.9 50.9 97.1 NR NR NR W30x108 1.210 50.9 50.9 97.1 NR NR NR W33x118 1.210 50.9 50.9 97.1 NR NR NR W10x60 1.220 50.6 50.6 96.2 NR NR NR W14x68 1.220 50.6 50.6 96.2 NR NR NR W18x71 1.220 50.6 50.6 96.2 NR NR NR W12x72 1.230 50.3 50.3 95.2 NR NR NR W24x104 1.240 50.0 50.0 94.3 NR NR NR W27x102 1.240 50.0 50.0 94.3 NR NR NR W16x77 1.250 49.7 49.7 93.4 NR NR NR W21x83 1.260 49.4 49.4 92.5 NR NR NR W18x86 1.270 49.1 49.1 91.6 NR NR NR W24x94 1.280 48.8 48.8 90.7 NR NR NR W36x135 1.290 48.5 48.5 89.8 NR NR NR W21x101 1.300 48.2 48.2 88.9 NR NR NR W30x116 1.300 48.2 48.2 88.9 NR NR NR W14x90 1.310 47.9 47.9 88.0 NR NR NR W14x74 1.320 47.6 47.6 87.1 NR NR NR W33x130 1.320 47.6 47.6 87.1 NR NR NR W12x79 1.340 47.0 47.0 85.3 NR NR NR W10x68 1.380 45.9 45.9 81.6 NR NR NR W24x117 1.380 45.9 45.9 81.6 NR NR NR W27x114 1.390 45.6 45.6 80.7 NR NR NR W30X124 1.390 45.6 45.6 80.7 NR NR NR W21x93 1.400 45.3 45.3 79.8 NR NR NR W24x103 1.400 45.3 45.3 79.8 NR NR NR W18x97 1.420 44.7 44.7 78.0 NR NR NR W14x99 1.430 44.4 44.4 77.1 NR NR NR W16x89 1.430 44.4 44.4 77.1 NR NR NR W21x111 1.430 44.4 44.4 77.1 NR NR NR W33x141 1.430 44.4 44.4 77.1 NR NR NR W36x150 1.430 44.4 44.4 77.1 NR NR NR W8x58 1.440 44.1 44.1 76.2 NR NR NR W14x82 1.450 43.8 43.8 75.3 NR NR NR W12x87 1.470 43.2 43.2 73.4 NR NR NR W30x132 1.470 43.2 43.2 73.4 NR NR NR W36x160 1.510 42.0 42.0 69.8 NR NR NR W33x152 1.530 41.4 41.4 68.0 NR NR NR W10x77 1.540 41.1 41.1 67.1 NR NR NR W24x131 1.540 41.1 41.1 67.1 NR NR NR W18x106 1.550 40.8 40.8 66.2 NR NR NR W27x146 1.550 40.8 40.8 66.2 NR NR NR W27x129 1.560 40.5 40.5 65.3 NR NR NR W14x109 1.570 40.2 40.2 64.4 NR NR NR W21x122 1.570 40.2 40.2 64.4 NR NR NR W16x100 1.590 39.6 39.6 62.5 NR NR NR W36x170 1.600 39.3 39.3 61.6 NR NR NR W12x96 1.610 39.1 39.1 60.7 NR NR NR W30x148 1.640 38.2 38.2 58.0 NR NR NR W8x67 1.650 37.9 37.9 57.1 NR NR NR W30x173 1.660 37.6 37.6 56.2 NR NR NR W21x132 1.680 37.0 37.0 54.4 NR NR NR W24x146 1.700 36.4 36.4 52.5 NR NR NR W27x161 1.700 36.4 36.4 52.5 NR NR NR W33x169 1.700 36.4 36.4 52.5 NR NR NR W14x120 1.710 36.1 36.1 51.6 NR NR NR W18x119 1.720 35.8 35.8 50.7 NR NR NR W36x182 1.720 35.8 35.8 50.7 NR NR NR W10x88 1.740 35.2 35.2 48.9 58.2 58.2 63.6

esign No. 972 continued As an alternate to the above, the following metric table may be used. Max 3 Steel Size M/ Thickness, mm Thickness, mm W150x24 40.235 1.69 1.69 3.68 NR NR NR W310x45 41.118 1.68 1.68 3.64 NR NR NR W410x54 41.294 1.67 1.67 3.64 NR NR NR W200x36 41.412 1.67 1.67 3.63 NR NR NR W250x39 41.647 1.67 1.67 3.62 NR NR NR W360x51 42.647 1.66 1.66 3.58 NR NR NR W530x66 43.882 1.64 1.64 3.54 NR NR NR W530x72 44.118 1.64 1.64 3.53 NR NR NR W460x60 45.176 1.62 1.62 3.48 NR NR NR W130x28 45.647 1.62 1.62 3.47 NR NR NR W410x60 45.882 1.62 1.62 3.46 NR NR NR W250x49 46.235 1.61 1.61 3.44 NR NR NR W200x46 47.235 1.60 1.60 3.40 NR NR NR W250x45 47.588 1.59 1.59 3.39 NR NR NR W360x57 47.588 1.59 1.59 3.39 NR NR NR W310x52 47.647 1.59 1.59 3.39 NR NR NR W200x42 48.176 1.58 1.58 3.37 NR NR NR W610x82 48.706 1.58 1.58 3.35 NR NR NR W530x74 49.294 1.57 1.57 3.32 NR NR NR W150x37 49.353 1.57 1.57 3.32 NR NR NR W530x82 50.235 1.56 1.56 3.29 NR NR NR W310x60 50.588 1.55 1.55 3.27 NR NR NR W410x67 51.176 1.55 1.55 3.25 NR NR NR W360x64 51.412 1.54 1.54 3.24 NR NR NR W460x68 51.647 1.54 1.54 3.23 NR NR NR W460x74 51.765 1.54 1.54 3.23 NR NR NR W200x52 53.353 1.52 1.52 3.16 NR NR NR W250x58 54.647 1.50 1.50 3.11 NR NR NR W610x92 54.941 1.50 1.50 3.10 NR NR NR W610x101 55.412 1.49 1.49 3.08 NR NR NR W530x85 56.000 1.49 1.49 3.06 NR NR NR W530x92 56.000 1.49 1.49 3.06 NR NR NR W410x74 56.588 1.48 1.48 3.04 NR NR NR W460x82 56.647 1.48 1.48 3.04 NR NR NR W360x72 57.059 1.47 1.47 3.02 NR NR NR W310x67 57.294 1.47 1.47 3.01 NR NR NR W250x73 59.412 1.44 1.44 2.93 NR NR NR W310x79 60.000 1.44 1.44 2.90 NR NR NR W760x134 60.000 1.44 1.44 2.90 NR NR NR W200x58 60.588 1.43 1.43 2.88 NR NR NR W610x125 60.588 1.43 1.43 2.88 NR NR NR W460x89 61.176 1.42 1.42 2.86 NR NR NR W530x101 61.176 1.42 1.42 2.86 NR NR NR W610x113 61.765 1.41 1.41 2.83 NR NR NR W250x67 62.353 1.40 1.40 2.81 NR NR NR W310x74 62.353 1.40 1.40 2.81 NR NR NR W360x79 62.353 1.40 1.40 2.81 NR NR NR W410x85 64.118 1.38 1.38 2.74 NR NR NR W410x100 64.118 1.38 1.38 2.74 NR NR NR W310x86 64.706 1.37 1.37 2.72 NR NR NR W360x91 64.706 1.37 1.37 2.72 NR NR NR W250x80 65.294 1.37 1.37 2.69 NR NR NR W310x97 65.294 1.37 1.37 2.69 NR NR NR W530x109 65.294 1.37 1.37 2.69 NR NR NR W760x147 65.882 1.36 1.36 2.67 NR NR NR W460x97 66.471 1.35 1.35 2.65 NR NR NR W460x113 66.471 1.35 1.35 2.65 NR NR NR W610x125 67.647 1.34 1.34 2.60 NR NR NR W610x140 67.647 1.34 1.34 2.60 NR NR NR 972 3 of 6 NR - Not Rated Max 3 Steel Size M/ Thickness, mm Thickness, mm W200x71 71.176 1.29 1.29 2.47 NR NR NR W760x161 71.176 1.29 1.29 2.47 NR NR NR W840x176 71.176 1.29 1.29 2.47 NR NR NR W250x101 71.765 1.29 1.29 2.44 NR NR NR W360x101 71.765 1.29 1.29 2.44 NR NR NR W460x106 71.765 1.29 1.29 2.44 NR NR NR W310x107 72.353 1.28 1.28 2.42 NR NR NR W610x155 72.941 1.27 1.27 2.40 NR NR NR W690x152 72.941 1.27 1.27 2.40 NR NR NR W410x114 73.529 1.26 1.26 2.37 NR NR NR W530x123 74.118 1.25 1.25 2.35 NR NR NR W460x128 74.706 1.25 1.25 2.33 NR NR NR W610x140 75.294 1.24 1.24 2.30 NR NR NR W920x201 75.882 1.23 1.23 2.28 NR NR NR W530x150 76.471 1.22 1.22 2.26 NR NR NR W760x173 76.471 1.22 1.22 2.26 NR NR NR W360x134 77.059 1.22 1.22 2.24 NR NR NR W360x110 77.647 1.21 1.21 2.21 NR NR NR W840x193 77.647 1.21 1.21 2.21 NR NR NR W310x118 78.824 1.19 1.19 2.17 NR NR NR W250x101 81.176 1.17 1.17 2.07 NR NR NR W610x174 81.176 1.17 1.17 2.07 NR NR NR W690x170 81.765 1.16 1.16 2.05 NR NR NR W760X185 81.765 1.16 1.16 2.05 NR NR NR W530x138 82.353 1.15 1.15 2.03 NR NR NR W610x153 82.353 1.15 1.15 2.03 NR NR NR W460x144 83.529 1.14 1.14 1.98 NR NR NR W360x147 84.118 1.13 1.13 1.96 NR NR NR W410x132 84.118 1.13 1.13 1.96 NR NR NR W530x165 84.118 1.13 1.13 1.96 NR NR NR W840x210 84.118 1.13 1.13 1.96 NR NR NR W920x223 84.118 1.13 1.13 1.96 NR NR NR W200x86 84.706 1.12 1.12 1.94 NR NR NR W360x122 85.294 1.11 1.11 1.91 NR NR NR W310x129 86.471 1.10 1.10 1.86 NR NR NR W760x196 86.471 1.10 1.10 1.86 NR NR NR W920x238 88.824 1.07 1.07 1.77 NR NR NR W840x226 90.000 1.05 1.05 1.73 NR NR NR W250x115 90.588 1.04 1.04 1.70 NR NR NR W610x195 90.588 1.04 1.04 1.70 NR NR NR W460x158 91.176 1.04 1.04 1.68 NR NR NR W690x217 91.176 1.04 1.04 1.68 NR NR NR W690x192 91.765 1.03 1.03 1.66 NR NR NR W360x162 92.353 1.02 1.02 1.64 NR NR NR W530x182 92.353 1.02 1.02 1.64 NR NR NR W410x149 93.529 1.01 1.01 1.59 NR NR NR W920x253 94.118 1.00 1.00 1.56 NR NR NR W310x143 94.706 0.99 0.99 1.54 NR NR NR W760x220 96.471 0.97 0.97 1.47 NR NR NR W200x100 97.059 0.96 0.96 1.45 NR NR NR W760x257 97.647 0.96 0.96 1.43 NR NR NR W530x196 98.824 0.94 0.94 1.38 NR NR NR W610x217 100.000 0.92 0.92 1.33 NR NR NR W690x240 100.000 0.92 0.92 1.33 NR NR NR W840x251 100.000 0.92 0.92 1.33 NR NR NR W360x179 100.588 0.92 0.92 1.31 NR NR NR W460x177 101.176 0.91 0.91 1.29 NR NR NR W920x271 101.176 0.91 0.91 1.29 NR NR NR W250x131 102.353 0.89 0.89 1.24 1.48 1.48 1.62

esign No. 972 continued Steel Size W/ Thickness, mm W6x16 0.684 66.4 66.4 103.8 W12x30 0.699 66.0 66.0 103.0 W16x36 0.702 65.9 65.9 102.8 W8x24 0.704 65.8 65.8 102.7 W10x26 0.708 65.7 65.7 102.5 W14x34 0.725 65.2 65.2 101.5 W21x44 0.746 64.6 64.6 100.3 W21x48 0.750 64.5 64.5 100.1 W18x40 0.768 63.9 63.9 99.1 W5x19 0.776 63.7 63.7 98.6 W16x40 0.780 63.6 63.6 98.4 W10x33 0.786 63.4 63.4 98.1 W8x31 0.803 62.9 62.9 97.1 W10x30 0.809 62.7 62.7 96.8 W14x38 0.809 62.7 62.7 96.8 W12x35 0.810 62.7 62.7 96.7 W8x28 0.819 62.4 62.4 96.2 W24x55 0.828 62.2 62.2 95.7 W21x50 0.838 61.9 61.9 95.1 W6x25 0.839 61.8 61.8 95.1 W21x55 0.854 61.4 61.4 94.2 W12x40 0.860 61.2 61.2 93.9 W16x45 0.870 60.9 60.9 93.3 W14x43 0.874 60.8 60.8 93.1 W18x46 0.878 60.7 60.7 92.9 W18x50 0.880 60.6 60.6 92.8 W8x35 0.907 59.8 59.8 91.3 W10x39 0.929 59.2 59.2 90.0 W24x62 0.934 59.0 59.0 89.7 W24x68 0.942 58.8 58.8 89.3 W21x57 0.952 58.5 58.5 88.7 W21x62 0.952 58.5 58.5 88.7 W16x50 0.962 58.2 58.2 88.2 W18x55 0.963 58.2 58.2 88.1 W14x48 0.970 58.0 58.0 87.7 W12x45 0.974 57.8 57.8 87.5 W10x49 1.010 56.8 56.8 85.5 W12x53 1.020 56.5 56.5 84.9 W30x90 1.020 56.5 56.5 84.9 W8x40 1.030 56.2 56.2 84.3 W27x84 1.030 56.2 56.2 84.3 W18x60 1.040 55.9 55.9 83.8 W21x68 1.040 55.9 55.9 83.8 W24x76 1.050 55.6 55.6 83.2 W10x45 1.060 55.3 55.3 82.6 W12x50 1.060 55.3 55.3 82.6 W14x53 1.060 55.3 55.3 82.6 W16x57 1.090 54.4 54.4 81.0 W16x67 1.090 54.4 54.4 81.0 W12x58 1.100 54.1 54.1 80.4 W14x61 1.100 54.1 54.1 80.4 W10x54 1.110 53.8 53.8 79.8 W12x65 1.110 53.8 53.8 79.8 W21x73 1.110 53.8 53.8 79.8 W30x99 1.120 53.5 53.5 79.3 W18x65 1.130 53.2 53.2 78.7 W18x76 1.130 53.2 53.2 78.7 W24x84 1.150 52.6 52.6 77.6 W27x94 1.150 52.6 52.6 77.6 The following thicknesses apply for fluted floor units topped with lightweight or normal weight concrete. Thicknesses include the 2 mils of primer: 972 4 of 6 Steel Size W/ Thickness, mm W8x48 1.210 50.9 50.9 74.2 W30x108 1.210 50.9 50.9 74.2 W33x118 1.210 50.9 50.9 74.2 W10x60 1.220 50.6 50.6 73.6 W14x68 1.220 50.6 50.6 73.6 W18x71 1.220 50.6 50.6 73.6 W12x72 1.230 50.3 50.3 73.1 W24x104 1.240 50.0 50.0 72.5 W27x102 1.240 50.0 50.0 72.5 W16x77 1.250 49.7 49.7 71.9 W21x83 1.260 49.4 49.4 71.4 W18x86 1.270 49.1 49.1 70.8 W24x94 1.280 48.8 48.8 70.3 W36x135 1.290 48.5 48.5 69.7 W21x101 1.300 48.2 48.2 69.1 W30x116 1.300 48.2 48.2 69.1 W14x90 1.310 47.9 47.9 68.6 W14x74 1.320 47.6 47.6 68.0 W33x130 1.320 47.6 47.6 68.0 W12x79 1.340 47.0 47.0 66.9 W10x68 1.380 45.9 45.9 64.6 W24x117 1.380 45.9 45.9 64.6 W27x114 1.390 45.6 45.6 64.1 W30X124 1.390 45.6 45.6 64.1 W21x93 1.400 45.3 45.3 63.5 W24x103 1.400 45.3 45.3 63.5 W18x97 1.420 44.7 44.7 62.4 W14x99 1.430 44.4 44.4 61.8 W16x89 1.430 44.4 44.4 61.8 W21x111 1.430 44.4 44.4 61.8 W33x141 1.430 44.4 44.4 61.8 W36x150 1.430 44.4 44.4 61.8 W8x58 1.440 44.1 44.1 61.2 W14x82 1.450 43.8 43.8 60.7 W12x87 1.470 43.2 43.2 59.5 W30x132 1.470 43.2 43.2 59.5 W36x160 1.510 42.0 42.0 57.3 W33x152 1.530 41.4 41.4 56.2 W10x77 1.540 41.1 41.1 55.6 W24x131 1.540 41.1 41.1 55.6 W18x106 1.550 40.8 40.8 55.0 W27x146 1.550 40.8 40.8 55.0 W27x129 1.560 40.5 40.5 54.5 W14x109 1.570 40.2 40.2 53.9 W21x122 1.570 40.2 40.2 53.9 W16x100 1.590 39.6 39.6 52.8 W36x170 1.600 39.3 39.3 52.2 W12x96 1.610 39.1 39.1 51.7 W30x148 1.640 38.2 38.2 50.0 W8x67 1.650 37.9 37.9 49.4 W30x173 1.660 37.6 37.6 48.8 W21x132 1.680 37.0 37.0 47.7 W24x146 1.700 36.4 36.4 46.6 W27x161 1.700 36.4 36.4 46.6 W33x169 1.700 36.4 36.4 46.6 W14x120 1.710 36.1 36.1 46.0 W18x119 1.720 35.8 35.8 45.5 W36x182 1.720 35.8 35.8 45.5 W10x88 1.740 35.2 35.2 44.3

As an alternate to the above, the following metric table may be used. Steel Size M/ Thickness, mm W150x24 40.235 1.69 1.69 2.64 W310x45 41.118 1.68 1.68 2.62 W410x54 41.294 1.67 1.67 2.61 W200x36 41.412 1.67 1.67 2.61 W250X39 41.647 1.67 1.67 2.60 W360X51 42.647 1.66 1.66 2.58 W530X66 43.882 1.64 1.64 2.55 W530x72 44.118 1.64 1.64 2.54 W460X60 45.176 1.62 1.62 2.52 W130x28 45.647 1.62 1.62 2.50 W410x60 45.882 1.62 1.62 2.50 W250x49 46.235 1.61 1.61 2.49 W200x46 47.235 1.60 1.60 2.47 W250x45 47.588 1.59 1.59 2.46 W360x57 47.588 1.59 1.59 2.46 W310x52 47.647 1.59 1.59 2.46 W200x42 48.176 1.58 1.58 2.44 W610x82 48.706 1.58 1.58 2.43 W530x74 49.294 1.57 1.57 2.42 W150x37 49.353 1.57 1.57 2.42 W530x82 50.235 1.56 1.56 2.39 W310x60 50.588 1.55 1.55 2.39 W410x67 51.176 1.55 1.55 2.37 W360x64 51.412 1.54 1.54 2.36 W460x68 51.647 1.54 1.54 2.36 W460x74 51.765 1.54 1.54 2.36 W200x52 53.353 1.52 1.52 2.32 W250x58 54.647 1.50 1.50 2.29 W610x92 54.941 1.50 1.50 2.28 W610x101 55.412 1.49 1.49 2.27 W530x85 56.000 1.49 1.49 2.25 W530x92 56.000 1.49 1.49 2.25 W410x74 56.588 1.48 1.48 2.24 W460x82 56.647 1.48 1.48 2.24 W360x72 57.059 1.47 1.47 2.23 W310x67 57.294 1.47 1.47 2.22 W250x73 59.412 1.44 1.44 2.17 W310x79 60.000 1.44 1.44 2.16 W760x134 60.000 1.44 1.44 2.16 W200x58 60.588 1.43 1.43 2.14 W610x125 60.588 1.43 1.43 2.14 W460x89 61.176 1.42 1.42 2.13 W530x101 61.176 1.42 1.42 2.13 W610x113 61.765 1.41 1.41 2.11 W250x67 62.353 1.40 1.40 2.10 W310x74 62.353 1.40 1.40 2.10 W360x79 62.353 1.40 1.40 2.10 W410x85 64.118 1.38 1.38 2.06 W410x100 64.118 1.38 1.38 2.06 W310x86 64.706 1.37 1.37 2.04 W360x91 64.706 1.37 1.37 2.04 W250x80 65.294 1.37 1.37 2.03 W310x97 65.294 1.37 1.37 2.03 W530x109 65.294 1.37 1.37 2.03 W760x147 65.882 1.36 1.36 2.01 W460x97 66.471 1.35 1.35 2.00 W460x113 66.471 1.35 1.35 2.00 W610x125 67.647 1.34 1.34 1.97 W610x140 67.647 1.34 1.34 1.97 esign No. 972 continued 972 5 of 6 Steel Size M/ Thickness, mm W200x71 71.176 1.29 1.29 1.88 W760x161 71.176 1.29 1.29 1.88 W840x176 71.176 1.29 1.29 1.88 W250x101 71.765 1.29 1.29 1.87 W360x101 71.765 1.29 1.29 1.87 W460x106 71.765 1.29 1.29 1.87 W310x107 72.353 1.28 1.28 1.86 W610x155 72.941 1.27 1.27 1.84 W690x152 72.941 1.27 1.27 1.84 W410x114 73.529 1.26 1.26 1.83 W530x123 74.118 1.25 1.25 1.81 W460x128 74.706 1.25 1.25 1.80 W610x140 75.294 1.24 1.24 1.79 W920x201 75.882 1.23 1.23 1.77 W530x150 76.471 1.22 1.22 1.76 W760x173 76.471 1.22 1.22 1.76 W360x134 77.059 1.22 1.22 1.74 W360x110 77.647 1.21 1.21 1.73 W840x193 77.647 1.21 1.21 1.73 W310x118 78.824 1.19 1.19 1.70 W250x101 81.176 1.17 1.17 1.64 W610x174 81.176 1.17 1.17 1.64 W690x170 81.765 1.16 1.16 1.63 W760X185 81.765 1.16 1.16 1.63 W530x138 82.353 1.15 1.15 1.61 W610x153 82.353 1.15 1.15 1.61 W460x144 83.529 1.14 1.14 1.58 W360x147 84.118 1.13 1.13 1.57 W410x132 84.118 1.13 1.13 1.57 W530x165 84.118 1.13 1.13 1.57 W840x210 84.118 1.13 1.13 1.57 W920x223 84.118 1.13 1.13 1.57 W200x86 84.706 1.12 1.12 1.55 W360x122 85.294 1.11 1.11 1.54 W310x129 86.471 1.10 1.10 1.51 W760x196 86.471 1.10 1.10 1.51 W920x238 88.824 1.07 1.07 1.46 W840x226 90.000 1.05 1.05 1.43 W250x115 90.588 1.04 1.04 1.41 W610x195 90.588 1.04 1.04 1.41 W460x158 91.176 1.04 1.04 1.40 W690x217 91.176 1.04 1.04 1.40 W690x192 91.765 1.03 1.03 1.38 W360x162 92.353 1.02 1.02 1.37 W530x182 92.353 1.02 1.02 1.37 W410x149 93.529 1.01 1.01 1.34 W920x253 94.118 1.00 1.00 1.33 W310x143 94.706 0.99 0.99 1.31 W760x220 96.471 0.97 0.97 1.27 W200x100 97.059 0.96 0.96 1.25 W760x257 97.647 0.96 0.96 1.24 W530x196 98.824 0.94 0.94 1.21 W610x217 100.000 0.92 0.92 1.18 W690x240 100.000 0.92 0.92 1.18 W840x251 100.000 0.92 0.92 1.18 W360x179 100.588 0.92 0.92 1.17 W460x177 101.176 0.91 0.91 1.16 W920x271 101.176 0.91 0.91 1.16 W250x131 102.353 0.89 0.89 1.13

esign No. 972 continued 3M CANAA COMPANY Type 3M Fiream WB1000. Investigated for Interior Conditioned Space Purpose and Interior General Purpose. 8. Top Coat (Optional, Not Shown) - Top coat is not required. Finishing topcoat, Sherwin Williams Steel-Master 9500 silicone alkyd finish coating applied at 3 mil thickness or ICI evflex HP 4216 water-based acrylic finish coating applied at 2 mil thickness. *Bearing the UL Classification Mark Reprinted from the Online Certifications irectory with permission from Underwriters Laboratories Inc. Copyright 2011 Underwriters Laboratories Inc. 972 6 of 6