{"product_id":"tight-radius-elbows-075d","title":"0.75D Tight Radius Elbows: 3D Printed Stainless or Aluminum Butt Weld Bends, 2.5in to 4in","description":"\u003ch2\u003e0.75D Tight Radius Elbows: 3D Printed Stainless or Aluminum\u003c\/h2\u003e\n\u003cp\u003eWhen there's no room for a mandrel bend, these fit. Every elbow has a 0.75D centerline radius, tighter than a standard 1D or 1.5D mandrel bend, so you can turn a tight corner without building a stack of pie cuts. Each one is metal 3D printed in one piece.\u003c\/p\u003e\n\u003ch3\u003ePick your material\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e316L Stainless:\u003c\/strong\u003e for exhaust. Welds to 304 or 316 stainless tube. Body wall is 0.049in, with a 0.065in weld band running 0.30in along the bend at each end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum (AlSi10Mg), cold side only:\u003c\/strong\u003e for intake, intercooler and charge pipe. 0.065in wall throughout, to match 16 ga aluminum tube.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNever use the aluminum elbows on exhaust.\u003c\/strong\u003e Printed aluminum loses most of its strength above about 200°C (390°F), far below exhaust gas temperature. For anything on the hot side, choose 316L stainless.\u003c\/p\u003e\n\u003ch3\u003eBuilt for fabricators\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e0.75D centerline radius: the radius is 0.75 times the tube OD.\u003c\/li\u003e\n\u003cli\u003eNo straight legs. The bend runs end to end for the tightest packaging.\u003c\/li\u003e\n\u003cli\u003eButt weld ends: 0.065in wall at each end, made to butt weld to 0.065 wall (16 ga) tube of the same OD.\u003c\/li\u003e\n\u003cli\u003e45, 90, 120 and 180 degree bends in 2.5in, 3in, 3.5in and 4in OD.\u003c\/li\u003e\n\u003cli\u003eBead blasted finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cp\u003eCenter to end is the distance from each end face to the point where the two tube centerlines meet, the number you lay out from. A 180 has no center point, so its size is given as the width across the U and the depth from the end faces to the outside of the bend.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5in OD:\u003c\/strong\u003e 1.88in centerline radius. Center to end: 0.78in at 45°, 1.88in at 90°, 3.25in at 120°. 180°: 6.25in wide across the U, 3.13in from the end faces to the outside of the bend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3in OD:\u003c\/strong\u003e 2.25in centerline radius. Center to end: 0.93in at 45°, 2.25in at 90°, 3.90in at 120°. 180°: 7.50in wide across the U, 3.75in from the end faces to the outside of the bend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.5in OD:\u003c\/strong\u003e 2.63in centerline radius. Center to end: 1.09in at 45°, 2.63in at 90°, 4.55in at 120°. 180°: 8.75in wide across the U, 4.38in from the end faces to the outside of the bend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4in OD:\u003c\/strong\u003e 3.00in centerline radius. Center to end: 1.24in at 45°, 3.00in at 90°, 5.20in at 120°. 180°: 10.00in wide across the U, 5.00in from the end faces to the outside of the bend.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cp\u003eOne elbow in the material, tube size and angle you pick.\u003c\/p\u003e\n\u003ch3\u003eInstall notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeld on part. Butt weld each end to tube of the same OD and the same material family.\u003c\/li\u003e\n\u003cli\u003eThe ends are made for 0.065 wall (16 ga) tube.\u003c\/li\u003e\n\u003cli\u003eProfessional welding recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated printed parts\u003c\/h3\u003e\n\u003cp\u003eBuilding a full system? See the \u003ca href=\"\/products\/printed-cope-junctions\"\u003eprinted cope junctions\u003c\/a\u003e for laterals and tees, the \u003ca href=\"\/products\/twin-tip-splitters\"\u003etwin tip splitters\u003c\/a\u003e for a 1 into 2 split, the \u003ca href=\"\/products\/printed-2-into-1-merges\"\u003eprinted 2 into 1 merges\u003c\/a\u003e for collectors, and the full \u003ca href=\"\/collections\/3d-printed-stainless-exhaust-parts\"\u003e3D printed stainless exhaust parts\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003ch3\u003eBuy the STEP file, $11\u003c\/h3\u003e\n\u003cp\u003eWant to print it yourself? Under Material, pick \u003cstrong\u003eSTEP file (316L design)\u003c\/strong\u003e or \u003cstrong\u003eSTEP file (aluminum design)\u003c\/strong\u003e and you get the same 3D model we send to our printing partner, in the size you chose. The download link comes right after checkout and nothing ships. Upload it to any online metal 3D printing service for your own quote.\u003c\/p\u003e\n\u003cp\u003eThe file is yours to use however you want. The 316L file is designed for 316L stainless. The aluminum file is designed for AlSi10Mg and is for the cold side only (intake, intercooler, charge pipe).\u003c\/p\u003e\n\u003cp\u003eParts printed by someone else are not covered by our warranty. Digital files are non-refundable.\u003c\/p\u003e\n\u003ch3\u003eLead time\u003c\/h3\u003e\n\u003cp\u003ePrinted to order. Allow about 4 weeks before it ships.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor off-road and competition use.\u003c\/strong\u003e Buyer is responsible for following all local exhaust and noise laws.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDesigned by Brockett Built in central Illinois. Printed by an outside metal printing partner.\u003c\/em\u003e\u003c\/p\u003e","brand":"Brockett Built","offers":[{"title":"316L Stainless \/ 2.5in \/ 45°","offer_id":45212736225488,"sku":"EL-250-45-SS","price":19.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 2.5in \/ 90°","offer_id":45212736258256,"sku":"EL-250-90-SS","price":35.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 2.5in \/ 120°","offer_id":45212736291024,"sku":"EL-250-120-SS","price":45.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 3in \/ 45°","offer_id":45212736422096,"sku":"EL-300-45-SS","price":27.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 3in \/ 90°","offer_id":45212736454864,"sku":"EL-300-90-SS","price":51.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 3in \/ 120°","offer_id":45212736487632,"sku":"EL-300-120-SS","price":67.0,"currency_code":"USD","in_stock":true},{"title":"316L Stainless \/ 3.5in \/ 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