標題: ASTM B 795-1993測定粉末鍛鋼部件中合金鐵雜質或非合金鐵... [打印本頁] 作者: 兌水 時間: 2009-9-14 20:20 標題: ASTM B 795-1993測定粉末鍛鋼部件中合金鐵雜質或非合金鐵... B795-93(2002)e1 Standard Test Method for Determining the Percentage of Alloyed or Unalloyed Iron Contamination Present in Powder Forged (P/F) Steel Parts