Ursprungsort
Jiangxi, China
Grad
alloy steel ,carbon steel
Geölt oder Nicht-geölt
Etwas Geölt
Anwendung
roller shutter door spring
Bescheinigung
CE, RoHS, GS, ISO9001
Toleranz
thickness tolerance+/-0.01mm
Verarbeitung Service
Biegen, Schweißen, Abwickeln, Schneiden, Stanzen, Geglüht
product name
roller shutter door spring steel strip
width max tolerance
+/-0.03mm
thickness max tolerance
+/-0.01mm
materail
65Mn,CK50,CK67,CK75,51CrV4,75Cr1 etc.
surface color
blue,polished bright,golden etc.
edge
slit , round , square etc.
condition
hardened and tempered
Steel Grade
ck67,sae1070,ck75 ,ck50,sae1074 ,50crv4 ,51crv4 etc.