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PLASTIC STRESSSTRAIN RELATIONSHIPS
PROPERTIES OF COLDFORMED CORNERS
PROPERTIES OF FLATS FROM COLDFORMED SECTIONS
1 other sections not shown
a/t RATIO Air Press Braked average axially loaded Bauschinger effect coin press braking cold-formed corners cold-formed members cold-formed sections column curves compression members compressive corner compressive yield strength corner specimens corner yield strength equation experimental flat specimens full section compression full section tensile full section tests full section yield Hot rolled semi-killed HRSK hydrostone increase in yield joist chord columns joist chord section laterally supported full obtained plane strain plastic bending plastic deformation plastic strain prestrained radius residual stresses roll-formed joist chord section compression tests section compressive yield section tensile yield section tension tests section yield strength series 2 flat sharp yielding shown in Fig strain gages strain hardening stress-strain curves strip specimens stub column tests supported full section tangent modulus tensile and compressive tensile specimens tensile yield strength test results tion ultimate strength unsupported virgin steel virgin tensile welding yield and ultimate yield stress