North American Standards for Cold-Formed Steel Framing 1-1 Roger LaBoube, Ph.D., P.E. Curators Distinguished Teaching Professor Emeritus Director, Wei-Wen Yu Center for Cold-Formed Steel
The ASME B31.3 Code requires random examination of materials and components to ensure conformance to listed specifications and standards. B31.3 also requires these materials to be free from defects. Component standards and specifications have various marking requirements. MSS SP-25 standard. MSS SP-25 is the most commonly used marking standard. Metal Pipe Flange - Pipe Fitting Weld neck - Slip on ASME B16.5 standard covers Steel Pipe Flanges and Flanged Fittings from NPS 1/2 through NPS 24 Metric/Inch in pressure class 150 to class 2500. It covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. Two very important flanges such as
Specification, or Standard Plans are authorized for street lighting construction within the City of Los Angeles without prior approval from the Bureau of Street Lighting. If there is a conflict between documents, precedence of documents shall be controlled by Section 2-5.2 of the Standard Specifications for Public Works Construction. Stainless Steel Pipe Fittings McMaster-CarrStandard-Wall Butt-Weld Stainless Steel Unthreaded Pipe Fittings. Butt-weld fittings allow for a smooth, flush connection that provides maximum flow. Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding
Seamless Pipe Seamless stainless steel pipe is produced from hollow billets, which are pierced then usually cold drawn until they reach the final desired pipe size, then annealed. Standard seamless pipe is supplied in nominal lengths of 6.1 metres to DN 150 (NPS 6) and above this in random lengths.Guidelines For Pipe Welding - Miller - Welding Equipment1910.177 listed in Safety Standards. Do not weld on containers that have held combustibles, or on closed containers such as tanks, drums, or pipes unless they are properly prepared according to AWS F4.1 and AWS A6.0 (see Safety Standards). Do not weld where the atmosphere can contain flammable dust, gas, or liquid vapors (such as gasoline).