Your project might be a little different than most guys, so it’s important to evaluate which CLR is best for your design, not the other guys’. One of the more frequent questions our technical sales team gets asked is, “What’s the most popular CLR in that OD?” For all of the common ODs, there usually is a popular CLR, but don’t let that influence your decision. We can help you figure out minimum wall thickness requirements, but figuring out your design is up to you. Sometimes, a single OD and wall thickness of your material, there’s only one centerline radius that can bend that material. For other materials like aluminum or stainless, it’s a little more tricky, but we can help you out with that if you drop us a line. If you want to bend ERW, we recommend going one gauge heavier on the wall thickness for quality bends. We break it down for each bender, each size material, and each centerline radius. If you want to bend DOM mild steel or chromoly, those specs are listed in the die charts on our website.
Figuring out the minimum wall thickness specifications is the easy part. Radius range: R=2D, 2.When it comes to selecting a centerline radius (CLR) for a die, there are two things to consider: minimum wall thickness specifications and design.
Low temperature steel pipe bend: ASTM A333 Grade 6, ASTM A420 WPL6Īlloy steel pipe bend: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91 ASTM A355 P1, P5, P9, P11, P22, P91 We supply 5D pipe bend as below standards and material grades:Ĭarbon steel pipe bend: API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80 PSL1 & PSL2 & SOUR ASTM A860 WHPY 42, 46, 52, 56, 60, 65, 70, 80 ASTM A234 WPB, WPC. Steel pipe bend could be manufactured by hot form and cold form, hot forming is usually for big diameter bend above 3 inch, and cold forming usually refers to the small pipe bend diameter below than 2 inch.
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