CUSTOM STEEL DOORS AND FRAMES [DEB]

1. A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and for General Applications. 2. A250.4-2001 Test Procedure and Acceptance Criteria for Physical Endurance for Steel Doors and Hardware Reinforcings. B. NAAMM National Association of Architectural Metal Manufacturers. 1. ................
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