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Thickness (mmin) | Hardness (HBW) |
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4.0 - 20.01.6 - 7.87 | 570 - 640 |
Thickness (mmin) |
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4.0 - 20.01.6 - 7.87 |
Average of three tests. Single value min. 70% of specified average. For plate thicknesses under 12 mm sub-size Charpy-V specimen are used. The specified minimum value is then propotional to the specimen cross-section.
C *) (max %) | Si *) (max %) | Mn*) (max %) | P (max %) | S (max %) | Cr*) (max %) | Ni*) (max %) | Mo*) (max %) | B*) (max %) |
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0.47 | 0.70 | 1.00 | 0.010 | 0.003 | 1.5 | 3.0 | 0.70 | 0.005 |
The steel is grain-refined. *) Intentional alloying elements.