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High Pressure Boiler Use Steel
1. Property: Seamless tubes used on high pressure boilers, working pressure 10 ¨C 35 MPa, working temperature 450 ¨C 650 C
2. Typical Application: Seamless tubes are primarily used in boiler, power station, chemical equipment and petrol-chemical industries.
3. Series and Sizes
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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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Cr
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Mo
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Maximum Tension/MPa
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Yield Point/(%)
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Extention Rate
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Forcibility/(%)
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Impact Absorbing AKV/J
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Not Less Than
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15CrMo
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SCM415
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15CrMo5
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0.12-0.18
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0.17-0.37
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0.40-0.70
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0.80-1.10
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0.40-0.55
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440
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295
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22
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60
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94
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Series and Size:
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High Pressure Boiler Steel
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Series
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Round Rolled
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Round Forgeable
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Sizes
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50 ~ 280
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135 ~ 450
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