Ursprungsort
Jiangxi, China
Standard
AISI, ASTM, bs, LÄRM, GB, JIS
Oberflächenbehandlung
Polier
Anwendung
Roller shutter door spring steel
Modellnummer
Springs steel strip
Breite
30mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm
Verarbeitung Service
Biegen, Schweißen, Schneiden
Type
Other Door & Window Accessories
Steel Grade
C67, C75, C80,SAE1070, SAE1074, SAE1075
hardness of steel
42-48HRC
Standard of surface
No flaw, burr, rust
Edge of steel
mill, slit , round or customized
Product name
Rolling shutter spring steel