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Black Finished Steel Strip

1. Material: 50# 65Mn 60Si2Mn T8-T10A
2. Size: thickness: 0.25-3.00mm    width: 40-260mm
3. Finished: hot tempered and hardened, polisht/black/blue/yellow, HRC43-49
4. Application: shutter spring, hand saw, band saw, shoe material, trowel, scrapers, putty knife, shovel, auotmatic clutch patch, spring washer, etc
5. Packing: sea-worthy packing
6. Moq: 5M.ton
7. Lead Time: 30days