不鏽鋼, AISI 303/304/316/416/430/420j2 S17400 ; 合金鋼, Kovar Alloy / Ti Alloy / Waspaloy Alloy(Nickei-base Alloy) ; 銅, JIS C1020/C1100/C3602/C3604 ASTM C54400.
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