China Supply Track Spike Railwar Screw on Spikes Used for Concrete Sleepers

Name screw on spikes Type Ss5.-150 V20-135 Ss8-140 V23-115 Ss8-150 V23-135 Ss8-160 V23-155 Ss23-160 V23-215 Ss25.-165 V26-115 Ss35.-161 Or the type by customers' drawings Grade 4.6 5.6 8.8 10.9 Material Q235 35# 45# 40Cr Mechanical properties Tensile strength: ≥400MpaYield strength:≥240MpaElongation:≥22%Cold bending: 90 degree without crack Tensile strength:≥500MpaYield strength:≥300MpaElongation:≥20%Cold bending: 90 degree without crack Tensile strength:≥800MpaYield strength:≥640MpaElongation:≥12%Cold bending: 90 degree without crack Tensile strength:≥1000MpaYield strength:≥900MpaElongation:≥9%Cold bending: 90 degree without crack