{"operation":"document","citation":"LAC 43:XIII §1715","title":"Wrinkle Bends in Steel Pipe [49 CFR 192.315]","source_type":"regulation","agency":"Louisiana Office of Conservation","status":"current","official":true,"published_on":null,"effective_on":null,"summary":"A. A wrinkle bend may not be made on steel pipe to be operated at a pressure that produces a hoop stress of 30 percent, or more, of SMYS. [49 CFR 192.315(a)] B. Each wrinkle bend on steel pipe must comply with the following. [49 CFR 192.315(b)] 1. The bend must not have any sharp kinks. [49 CFR 192.","machine_formats":{"json":"https://regulus.evalyn.ai/document/la-lac-43-xiii-1715.json","markdown":"https://regulus.evalyn.ai/document/la-lac-43-xiii-1715.md"},"app_url":"https://regulus.evalyn.ai/document/la-lac-43-xiii-1715","source_url":"https://www.doa.la.gov/doa/osr/louisiana-administrative-code/","body":"A. A wrinkle bend may not be made on steel pipe to be operated at a pressure that produces a hoop stress of 30 percent, or more, of SMYS. [49 CFR 192.315(a)]\n\nB. Each wrinkle bend on steel pipe must comply with the following. [49 CFR 192.315(b)]\n\n1. The bend must not have any sharp kinks. [49 CFR 192.315(b)(1)]\n\n2. When measured along the crotch of the bend, the wrinkles must be a distance of at least one pipe diameter. [49 CFR 192.315(b)(2)]\n\n3. On pipe 16 inches (406 millimeters) or larger in diameter, the bend may not have a deflection of more than 1 1/2º for each wrinkle. [49 CFR 192.315(b)(3)]\n\n4. On pipe containing a longitudinal weld the longitudinal seam must be as near as practicable to the neutral axis of the bend. [49 CFR 192.315(b)(4)]\n\nAUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.\n\nHISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:232 (April 1983), amended LR 10:525 (July 1984), LR 27:1542 (September 2001), LR 30:1246 (June 2004).","truncated":false,"body_characters":1026}