Daido Steel of Japan YK30, GOA, (11), DC53, (61), DH21, DH2F, PX-5, PX-88, NAK55, NAK80, S-STAR, G-STAR, SKH-9, SKH-51,

Frequency of Japan Steel Industry K3M, KS3, KD1, (KD11, SKD11), KD12, KSM, H51, HM35, KMX2, KXM, KPM30, 420M, KDASS, KAP65, KAP88, KSP2, KSP1, (KDA, SKD61)

Sweden win hundred pure steel DF-3, XW-42, XW-10, 635, ASSAB88, VIKING, DIEVAR, 8407, QRO-90, HOTVAR, 618HH, 718HH, EM38, 168S, S136, ELMAR, ALUMEC, VANADIS-4, VANADIS-10, ASP-23,

European brand Buderus 2510,2379,2363,2343,2344,2367,2311,638,2738,2316,2083,2767,4125, 3343,3207, TSP-4

U.S. special steel ..
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