[問題] 合金鋼改變化學成分
各位有改過合金鋼化學成分嗎?
調法是假設提升鉻鉬鋼的鉻成分
然後鉻鉬鋼的機械性質會改變
那我除了提供尺寸外還需要提供什麼給廠商?
目前知道台灣只有榮鋼在做(機械月刊寫的)
問問台灣還有其他廠商在做嗎?
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