| 摘要 |
1517317 Stainless steel container TOKUYAMA SODA KK 15 Sept 1975 [17 Sept 1974] 37826/75 Heading C7A A stainless steel container made at least in part of an alloy comprising Ni 2 to 7 Cr 19 to 27 C 0À05 max Fe Bal and impurities i.e. N, S1, P 0-1% each, Mn 0-2% and Mo, Cu 0-3% each has a protective coating produced by the reaction of the alloy with a solution containing heteropolyacid ions. The container is suitable for holding heteropolyacid ions as catalysts in the preparation of alcohols by the hydration reaction of olefins at at least 100 C and pressure of >10Kg/cm<SP>2</SP>, and other chemical applications and has excellent corrosion and hydrogen embrittlement resistance properties. |
