Mining support: Material:20mnk  Q275  Detail parameter :18U  height:99mm  thickness:10 mmthory:18.96kg/m 25U height:110mm thickness:17mm TheoreticWeight :24.76kg/m 29U

Mining support: Material:20mnk  Q275  Detail parameter :18U  height:99mm  thickness:10 mmthory:18.96kg/m 25U height:110mm thickness:17mm TheoreticWeight :24.76kg/m 29U

crane steel rail sizes, Steel rail  Type Cross section size Cross-sectional area (cm)

QU120 crane steel rail and crane rail size, Steel rail  Type Cross section size Cross-sectional ar

QU70 crane steel rail and rail steel crane sizes:   Type Cross section size Cross-sect

QU70 crane steel rail and rail steel crane sizes:   Type Cross section size Cross-sect

QU80 crane steel rail and rail crane sizes, Steel rail  Type Cross section size Cross-sectional ar

QU80 crane steel rail and rail crane sizes, Steel rail  Type Cross section size Cross-sectional ar

railway track materials mild steel rail clip  material:steel  application: railway track  available in many size Produce photo