表面淬火鋼,,銅、鋁合金薄板,,帶鋼,硬質(zhì)合金鋼,,鍍鋅,鍍鉻,,鍍錫,,材料表面熱處理和化學(xué)表面處理的各種金屬材料。
suce hardened steel, copper, aluminum alloy sheet, hard alloy steel, zinc layers, chrome layers, tin layers, suce heat treating&chemical treating materials, etc.
15w,30w,45w15x,30x,45x,15y,30y,45y,15w,30w,45w
294.2n/30kgf
|