Are there any references of K-FACTOR for using them in Bending?

I would like to do bending in some softwares like Catia and some other else,but there are no references for K-FACTOR and i couldn't find them..
Tanx

1 Answer

http://www.custompartnet.com/calculator/sheet-metal

I prefer SolidWorks Bending tables. But in case of other software try this.