Material calculations

Calculations of building materials:

Types of steel and weights: http://www.tpub.com/content/construction/14251/css/14251_86.htm

Weights of steel pieces: http://www.rssteel.com/c_formulas.html

Some material strengths: http://www.tpub.com/content/doe/h1017v1/css/h1017v1_65.htm

http://www.tpub.com/content/construction/index.htm

Steel type reference: http://www.rssteel.com/rs_reference_book.pdf

Steel distributor: http://www.rssteel.com/