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| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | Yes |
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| Product Name | High Carbon Blue Steel Strips for Rolling Shutter Springs |
| Material | 65Mn,51Crv4,SK75,SAE1050,SAE1055,SAE1075,G80,High carbon steel strip,Cold rolled tempered steel |
| Hardness | 45-63HRC for hardened and tempered conditions. |
| Size | thickness 0.08mm-3.00mm, Width:2mm-300mm |
| Color | blue, bright, white, nature, polished |
| Edge | round, slit both sides, one side slit, the other side slit |
| Tolerance | thickness+/-0.01mm max; Width:+/-0.05mm max. |
| Application | rolling shutter springs |
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