Punto d'origine
Guangdong, China
Standard
AISI, ASTM, bs, BACCANO, GB, JIS
Grado
CK50/CK55/CK60/CK67/CK70/CK75/CK80/CK85/CK90
Applicazione
metal curtain spring
Servizio di Elaborazione
Di Taglio
Thickness tolerance
+/-0.01mm
Kinds of spring
Washer, metal clips, appliance/door spare parts, furniture
Treatment
Cold Rolled, hardened&tempered, annealed