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一、自由锻工业纯铁DT_1的化学成份、机械性能及磁性见表1、2。自由锻件(皮带轮)见图1。使用设备:0.34M~2室式燃油加热炉,250公斤空气锤。
First, free forging industrial pure iron DT_1 chemical composition, mechanical properties and magnetic Table 1 and 2. Free forgings (pulley) shown in Figure 1. Use equipment: 0.34M ~ 2-chamber fuel furnace, 250 kg air hammer.