... stressTensile strengthTensile stretch %180o cold bendingCommon PV—270-500—d=0, in good condition, non-dezincing. Deep pressing SC—270-380≥ ... 30d=0, in good condition, non-dezincing.Mechanical articulation JY—270-500—d=0, in good condition, non-dezincing. ... pressing SC—270-380≥30d=0, in good condition, non-dezincing.Structure JG≥240≥370≥18d=0, in good condition, non-dezincing.————— ...