STR660, SUH660, NAS660 Heat-Resisting Steel
STR660, SUH660, NAS660 Round,Heat-Resisting Steel
STEELMAX Steel Story
STR660 – KS, SUH660 – JIS,
ASTM A453 Gr.660 Cl.A
STR660, SUH660, NAS660 Round,Heat-Resisting Steel
STEELMAX Steel Story
STR660 – KS, SUH660 – JIS,
ASTM A453 Gr.660 Cl.A