plaats van herkomst
Guangdong, China
standaard
AISI, ASTM, bs, DIN, Gb, JIS
graad
CK50/CK55/CK60/CK67/CK70/CK75/CK80/CK85/CK90
toepassing
metal curtain spring
Verwerking Service
Snijden
Thickness tolerance
+/-0.01mm
Kinds of spring
Washer, metal clips, appliance/door spare parts, furniture
Treatment
Cold Rolled, hardened&tempered, annealed