WebInternally, either a straight bore followed by a 30° slope or a taper bore at a maximum slope of 1 to 4 for a minimum distance of 2 times the pipe minimum wall are required. The surface of the weld can also be tapered to accommodate differing thickness. This taper should not exceed 30°. It may be necessary to deposit weld metal to assure that ... WebThis standard covers pressure ratings, temperature ratings, materials, dimensions, tolerances, marking and testing for flanges of this size with rating class designations 75, …
Acceptable Design for Unequal Wall Thickness - wermac.org
WebUse our ANSI Pipe Chart to determine the nominal pipe size, wall thickness, weight and schedule designations. For easy reference, print out this up-to-date chart. Click to Print … WebThickness: 33 mils (20ga), 43 mils (18ga), 54 mils (16ga), 68 mils (14ga) and 97 mils (12ga). 33mil (20ga) and 43mil (18ga) framing products are produced with 33ksi steel. 54mil (16ga), 68mil (14ga) and 97mil (12ga) products are produced with 50ksi steel unless otherwise noted. Standard coating: CP60 (G60, CP90 & G90 available) Per AISI S240 incentive program for aspiring teachers
Guidelines for Selection of Various Types of Flanges (PDF)
WebThickness Inches Wall Collar O.D. Inches Ductile Flange / Plain Flange / Flange Flange / MJ MJ / MJ Plain End / MJ Flange and Flange and MJ MJ and MJ 3 250 350 7 8 10 .48 6.48 ... Flange Dimensions †† MJ Dimensions † Approximate Weight Pounds Flange O.D. Studs Bell O.D. Studs No. Req’d. Barrel per Inch One Flange One MJ Bell Wall WebWall Thickness ID Wgt/Lbs per foot; API 5L: 30.00".250" 29.500" 79.6: API 5L: 30.00".281" 29.438" 89.3: Schedule 10: 30.00".312" ... Extra Strong & Schedule 20 have the same dimensions. ... Butt weld fittings and ANSI flanges are commonly produced in carbon steel. WebDec 24, 2012 · In cases where pipe of unequal wall thickness (i.e. XS vs. STD) mate at a flange connection, I’ve always understood it to be prudent to use identical flanges (i.e. matching IDs) and make the following butt joint tapered (as per code allowed detail) to suit the mating pipe wall thickness. Thanks in advance for any replies. incentive prizes for college students