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Technical Data Gamma Pads Rooftop Supports Concrete Inserts Beta Clamps & Z-Clamps Loop & Ring Clamps Spring Steel Electrical Fittings Pipe & Conduit Supports General Fittings Channel Nuts & Hardware Channel IntroductionZSi-Foster Engineering Catalog – 3 –Pictorial Table of ContentsChannelChannelW200 W201 W210 W211 W300 W30115⁄8\15⁄8\41mm41mm31⁄4\15⁄8\41mm83mm15⁄8\15⁄8\41mm41mm31⁄4\15⁄8\83mm41mm13⁄8\15⁄8\35mm41mm23⁄4\15⁄8\70mm41mmPages 34 - 39 Pages 40 - 43 Pages 44 - 46W800 W801 W900 W901 W500 W5011\15⁄8\25mm41mm2\15⁄8\51mm41mm7⁄8\15⁄8\22mm41mm13⁄4\15⁄8\44mm41mm13⁄16\15⁄8\21mm41mm15⁄8\15⁄8\41mm41mmPages 47 - 50 Pages 51 - 54 Pages 55 - 59W400 W401 W100 W101 W150 W15113⁄16\15⁄8\21mm41mm15⁄8\15⁄8\41mm41mm15⁄8\27⁄16\41mm62mm15⁄8\47⁄8\41mm124mm15⁄8\31⁄4\41mm83mm15⁄8\61⁄2\41mm165mmPages 60 - 62 Pages 63 - 66 Pages 67 - 70W600 W601 W700 W701 Channel Information13⁄16\ 21mm13⁄16\ 21mm 15⁄8\13⁄16\41mm21mm13⁄32\13⁄16\10mm21mm13⁄16\21mm13⁄16\21mmThe Metal Framing System . . . . . . . . . . . . . . . . . . 19Beam Load Support Formulas . . . . . . . . . . . . 20 – 21Beam - Design Fundamentals . . . . . . . . . . . . . . . . 22Column - Design Fundamentals . . . . . . . . . . . . . . . 23Channel Profiles . . . . . . . . . . . . . . . . . . . . . . . 28 - 29Channel in Descending Order of Strength . . . . . . . 30Channel Selection Chart . . . . . . . . . . . . . . . . . . . . 31Pierced Channel . . . . . . . . . . . . . . . . . . . . . . . . . . 32Custom Channel . . . . . . . . . . . . . . . . . . . . . . . . . . 33Pages 71 - 73 Pages 74 - 76 Lateral Bracing Load Reduction Charts . . . . . . . . . 77We reserve the right to make specification changes without notice. While every effort has been made to assure the accuracy of information contained in this catalog at the time of publication, we cannot accept responsibility for inaccuracies resulting from undetected errors or omissions.