Sometimes Yield Strength is given for a material. In other words, this is where plastic deformation begins. For a complete explanation of all these terms refer to a reference text such as the ASM handbook or a Mechanics of Materials text. The deflections portrayed in each image are not to scale to each other, but the values listed in each table are absolute. Click on each image to view the full size image.
All models are of actual tube dimensions as given by the manufacturer.
All tube models are fixed at one end, and have a 100 Lbf load applied downward to the other end. This is a model of a Reynolds 6061 Aluminum downtube. This is a typical oversized Aluminum downtube. This is a model of an oversized 6061 Aluminum downtube. This represents an oversized and thick walled aluminum downtube.