Report copyright - 預熱塞加工製作 材料加工ir.hust.edu.tw/bitstream/310993100/5256/1/預熱塞加工...3.1名稱與材質 材質名稱:S45C中碳鋼 材質:中碳鋼含碳量在0.30-0.60% 中碳鋼的強度,硬度比低碳鋼高,而塑性,韌性比低碳鋼略低,熱鍛.熱壓性能良
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