High quality spring steel strip for shutter rolling door
US $800.00-$899.00
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Grade | C | Mn | Si | S | P |
Spring Steel C55 | 0.50 - 60% | 0.60 - 0.90% | 0.0 - 0.35% | 0.025% | 0.025% |
Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.85 g/cm3 | MPa -380 | MPa - 210 | 25 % |

















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