標題: ASTM A 694-2003 高壓傳輸設備用碳素鋼及合金鋼管法蘭... [打印本頁] 作者: 兌水 時間: 2009-9-8 11:15 標題: ASTM A 694-2003 高壓傳輸設備用碳素鋼及合金鋼管法蘭... A694/A694M-03 Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service