2017년 1월 23일

Super Invar 32-5, Nobinite SI-5, ASTM F1684 Invariable Metal

Super Invar 32-5, Nobinite SI-5, ASTM F1684 Invariable Metal STEELMAX Metal Story   Super Invar 32-5 는, Nickel 30~32%, Cobalt 5.25% 수준 합금에 나머지는 철 (Fe)로 구성된 […]
Super Invar 32-5, Nobinite SI-5, ASTM F1684 Invariable Metal
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