Steel framework,composing with steel beam and steel column,is bearing system connected by steel or hinge joint.That is to say it's framework,composing with beam and colum to resistant to horizontal load and vertical load in application.The structural house wall doesn't have the function of bearing,it just separate and ptotect in function.Comprehensively and civil buildings like residence,school,office building,theatre,shopping mall,gymnastic,station,exhibition,areoplane shed,park and light industry workshop.