High quality ASTM B111 Round Copper Nickel Tube CuNi Condenser Pipe C715 70/30% from China, China's leading copper nickel pipe product, with strict quality control copper nickel tubing factories, producing high quality copper nickel tubing products. Full text of "Financial Times , 1995, UK, English"This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation
Apr 10, 2021 · 4J33 is also an ceramic sealing alloy. It has a linear expansion coefficient similar to that of 95% Al2O3 ceramic in -60 to 600 temperature range. It is mainly used for matching sealing with ceramics and is an important sealing structure material in the electric vacuum industry.