Designation: B723 − 25Standard Specification forNickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-SiliconAlloy Welded Pipe1T...
Designation: B723 − 20Standard Specification forNickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-SiliconAlloy Welded Pipe1T...

