標(biāo)題: ASTM B 797-1993粉末鍛鋼部件中表面指狀氧化物穿透深度... [打印本頁] 作者: 兌水 時(shí)間: 2009-9-14 20:23 標(biāo)題: ASTM B 797-1993粉末鍛鋼部件中表面指狀氧化物穿透深度... B797-93(2002)e1 Standard Test Method for Surface Finger Oxide Penetration Depth and Presence of Interparticle Oxide Networks in Powder Forged (P/F) Steel Parts