![]() ![]() The short discussion on manufacturing tolerances (which gives some insight into this topic) is absent from, e.g., ASD 3).The user can select a group of entities, the program will filter out non- polylines. It may be that some MC shapes have a 12.5 degree flange slope (I don't know).įor a further discussion of shape profile dimensions and tolerances, look on page 1-4 of ASD 8 (the RED cover version of AISC Manual of Steel Construction, published 1980). It is the radius at the toe which may vary among manufacturers, and even for the same manufacturer depending on the condition of the rolls, as Kirk's reply to Jason stated.Īccording to AISC, American Standard beams (S shapes) and American Standard channels (C shapes) have a flange slope of _approximately 16.67%, or 2 in 12, or 9.5 degrees.īut also according to AISC, M and MC shapes may have various slopes on their inner surfaces, depending on the manufacturer. Refer to previous posts (either my own or Jamie's) to see that the arc at the web _is_ determined by the published data. No, Phil, you should maintain dimension "k," for which there _is_ a design standard. Questions and I'll post those answers when I have them. Information is not available for distribution. These radii can vary from shape to shape. The most conservative value in deriving the section properties that are Minimum radii values are running for any particular shape then uses Listed in the Steel Construction Manual, to see what the maximum and AISC doesĪ survey of various manufacturers from time to time, for each shape On the design and wear on their rolls at any specific time. Which will likely vary from manufacturer to manufacturer depending Previously stated there is no specific tolerance on the fillet dimension The tolerance on weight, depth, flange width, web thickness, etc. Section properties of rolled shapes are mainly controlled by ![]() ![]() There is no specific tolerance that manufacturers must abide by in this Kurt's response to my question about tolerances that steel ![]()
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