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eFunda, the ultimate online reference for the mechanical engineering community

Structural calculations for W beams, S Beams and American Standard Channels. This steel beam calculator is intended to be used to design steel beams used in residential construction and assumes that the top flange is laterally braced.

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CustomPartNet is a free resource for engineers and manufacturers that facilitates product design and cost estimation. Learn about the process cycle and design for manufacturing (DFM) guidelines for a wide range of manufacturing processes, including i...

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Tools and Basic Information for Design, Engineering and Construction of Technical Applications