黑色工具材料以铁为基材，包括工具钢，合金钢，碳钢，铸铁。
Ferrous tool materials have iron as a base metal and include tool steel, alloy steel, carbon steel, and cast iron.
合金钢，模具钢，工具钢。可为用户加工生产材质型号热轧圆钢及冷拉圆钢。并可长期现货供应。
Alloy steel, die steel, tool steel. Processing materials for the user model and the cold drawing hot rolled round steel bar. Can be long-term stock.
钒铁用作炼钢的添加剂，生产高强度低合金钢、高速钢、工具钢、不锈钢及永久磁铁等。
Ferrovanadium can be used as additive in smelting high-intensity-low-alloy steel, high speed steel, tool steel, stainless steel and permanent magnet.
是指用工具钢、合金钢制造的滚牙（或切牙）丝锥，精度为H4。
The thread rolling tap is made by tool steel or alloy, the precision is H4.
是指用工具钢、合金钢制造的滚牙（或切牙）丝锥，精度为H4。
The thread rolling tap is made by tool steel or alloy, the precision is H4.
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