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Technology
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Smoothly polished bright steel bar
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Cold-drawn round steel
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Hot-rolled round steel
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Hardness Range
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HRC 20-60 (depending on material)
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HRC 25-35 (Cold Work Hardening)
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HRC 15 - 20 (Normalized condition)
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surfaceness
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Ra 0.1-0.8 μm
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Ra 0.8-1.6 μm
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Ra 3.2-6.3 μm
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Dimensional Tolerance
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IT6-IT9(such as Φ50±0.025mm)
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IT8 - IT10 (such as Φ50 ± 0.05mm)
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IT12 - IT14 (such as Φ50±0.3mm)
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