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30CrMoA 42CrMo4 4140 Hot Rolled Alloy ໂຄງສ້າງໂລຫະ Round Bar ສໍາລັບແຂ້ວ Bar -
20MnTiB ເຫຼັກໂຄງສ້າງໂລຫະປະສົມຄາບອນ ບາຮອບສໍາລັບ Pins ແລະ Screws -
Alloy Structural 20CrMnTi 30CrMnTi Iron Round Bar for Gears and Mechanical Parts -
40Mn 40MnB 20Mn2 Alloy Structural Plain Steel Round Rod For Tooth Bar -
20Cr 45Cr 40CrB Alloy Structure Steel Bar Round Bar ສໍາລັບ fasteners ແລະ Pins
