PRODUCTION MATERIALS
CARBON STEEL : ASTM A216-WCB or EQUIVALENT
ALLOY STEEL : ASTM A217-WC6, WC9, C12A or EQUIVALENT
STAINLESS STEEL : ASTM A351-CF8, CN7M or EQUIVALENT
DUPLEX STAINLESS STEEL : ASTM A995-1A, 2A, 4A, 5A or EQUIVALENT
SPECIAL ALLOY STEEL : HASTELLOY C, INCONEL 625 or EQUIVALENT
The person in charge
Chulgeun MunAddress
49 Seocho-daero 40-gil, Seocho-gu, Seoul (06656)-
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