C50 C67S 65MN SAE1070 SAE1074 C75S SK4 SK5 SK7 cold rolled harden blue or bright spring steel strip
- Negotiable
- 1 Metric Ton / Metric Tons
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C50 C67S 65MN SAE1070 SAE1074 C75S SK4 SK5 SK7 cold rolled harden blue or bright spring steel strip