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ZSi-Foster Engineering Catalog – 25 –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 IntroductionMaterial SpecificationsFittings & Hardware SpecificationsMaterial Current ASTM DesignationPrevious ASTM DesignationASTM DescriptionBar Stock: Channel Nuts A 36 A 575 Merchant quality hot rolled carbon steel bars. A 29-03 A 576 Steel bars, carbon, hot rolled special quality.Cold Rolled: Closure Strip A 1008 CS GR33 A 611 Cold rolled carbon sheet steel.Pregalvanized: Closure Strip A 653 GR33 G90 A 653 GR33 G90 Steel sheet, zinc coated (galvanized) by the hot dipped process, commercial quality.Bar Stock A 569 A 569 Merchant quality hot rolled carbon steel bars.Hot Rolled Plate A 575 A 575 Steel, sheet and strip, carbon drawing quality, special killed, hot rolled.Fitting (Steel) A 366 A 366Steel carbon, cold rolled sheet, commercial quality structural steel. A 366 A 366A 36 A 36HardwareA 563 A 563 Carbon and alloy steel nuts. Carbon steel externally threaded standard fasteners. A 307 A 307Strip Steel: Pipe Clamps A 569 A 569 Steel, sheet and strip, carbon drawing quality, special killed, hot rolled.Hot Rolled: Shelf Brackets A 569 A 569 Steel carbon, cold rolled sheet, commercial quality structural steel.Channel SpecificationsMaterial Current ASTM DesignationPrevious ASTM DesignationASTM DescriptionHot Rolled: Channel A 1011SS GR33 A 570 GR33 Hot rolled carbon steel sheet and strip, structural quality.Cold Rolled: Channel A 1008SS GR33, A 1008 A 611 Cold rolled carbon sheet steel.Pregalvanized: Channel A 653 SS GR33 A 653 GR33 G90 Steel sheet zinc-coated by hot dip process at mill, structural quality.Stainless Steel: ChannelA 240 TYPE 304 A 240 TYPE 304Heat resisting chromium and chromium-nickel stainless steel plate, sheet, strip for pressure vessel. A 240 TYPE 316 A 240 TYPE 316Aluminum: Channel B 221 TYPE 6063 T6 B 221 TYPE 6063 TS Aluminum alloy extruded bar, rod, wire, shape, and tube.
