Thickness (mmin) | Hardness (HBW) | Yield strength Rp0.2 (min MPa) | Tensile strength Rm (MPa) | Elongation A5 (min %) |
|---|---|---|---|---|
3.0 - 80.01.2 - 31.5 | 480 - 540 | 1250 | 1450 - 1750 | 8 |
Thickness (mmin) |
|---|
3.0 - 80.01.2 - 31.5 |
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 %) |
|---|---|---|---|---|---|---|---|---|
0.32 | 0.40 | 1.20 | 0.010 | 0.003 | 1.0 | 1.80 | 0.70 | 0.005 |
The steel is grain-refined. *) Intentional alloying elements.
For plate thicknesses >70 mm Cr ≤ 1.5 and Ni ≤3.5
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