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Easy Cutting Steel
1. Property: Good machine cutting characteristics, good surface smoothness after manufacturing.
2. Main Application: Standard fastening parts, such as bolts, screws and nuts made by automatic machines.
3. Typical Series, Elements and Mechanical Property
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China
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Equivalent
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Elements
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Mechanical Property
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USA
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Japan
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Germany
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C
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Si
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Mn
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P
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S
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ab/MP@
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5/(%)
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(%)
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Y12
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B1112
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SUM21
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10S20
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0.08-0.16
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0.15-0.35
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0.70-1.00
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0.08-0.15
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0.10-0.20
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390-540
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22
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36
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Y20
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1120
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22S20
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0.17-0.25
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0.15-0.35
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0.70-1.00
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0.06
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0.08-0.15
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450-600
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20
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30
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Y40Mn
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1141
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SUM42
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0.37-0.45
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0.15-0.35
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1.2¡ª1.55
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0.05
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0.20-0.30
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590-735
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20
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20
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Series ans Sizes:
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Easy Cutting Steel
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Series
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Round Rolled
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Forgeable
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Cold Draw
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Sizes
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16 ~ 280
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135 ~ 550
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10 ~ 40
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