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밸브 본체의 재질 요구사항이 PII라고 하는데, 이것은 어떤 재질인가요?

2016-02-29View Original

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일반적인 304/316 크롬니켈 스테인리스인가요?아니면 다른 것?대신들께 감사드립니다
Reply #22016-02-29
PII인가요, 아니면 P11인가요? P11은 저합금 내열강으로, 11/4Cr—1/2Mo에 해당합니다
Reply #32016-02-29
P11 강의 화학 성분 범위(%): C: 0.05-0.15, Mn: 0.50-1.00, Si: 0.30-0.60, S, P≤0.025, Cr: 1.00-1.50, Mo: 0.44-0.55. 이는 1.25Cr0.5Mo 내열강으로, 12CrMo에 해당합니다
Reply #42016-03-01
재질 등급 P11을 우선적으로 고려하며, 로마 숫자 2는 오기일 가능성이 높으니 분광분석을 통해 확인해 보세요

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