Uygulama
Roller shutter door spring steel
Model Numarası
Springs steel strip
Genişlik
30mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm
Işleme hizmeti
Bükme, Kaynak, Kesme
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