Research Article
Fractographic Analysis of Brinar 400 and Brinar 500 Steels in Impact Testing
Table 1
Selected mechanical properties of steels Brinar 400 and Brinar 500: D: as-delivered, N: normalized, MD: manufacturer’s data [
7,
8], OR: own results, L: longitudinal direction, T: transverse direction, and NA: not available.
| | Steel grade | | | | | | KCV−20 | Hardness | | GPa | MPa | MPa | % | % | J/cm2 | HBW | | MD | OR | MD | OR | MD | OR | MD | OR | MD | OR | MD | OR | MD | OR |
| | Brinar 400 | | | | | | | | | | | | | | | | D(L) | NA | 2.03 ± 0.06 | 1100 | 1156 ± 29 | 1300 | 1248 ± 3 | 12 | 10.3 ± 0.3 | NA | 52.2 ± 2.6 | 35 | 58 ± 19 | 360–440 | 412 ± 2 | | D(T) | NA | 2.04 ± 0.14 | NA | 1149 ± 41 | NA | 1242 ± 34 | NA | 10.0 ± 0.6 | NA | 50.2 ± 6.5 | NA | 49 ± 2.4 | | N(L) | NA | 1.97 ± 0.14 | NA | 493 ± 7 | NA | 695 ± 11 | NA | 18.8 ± 2.1 | NA | 46.6 ± 3.5 | NA | 9 ± 0.6 | NA | 209 ± 2 | | N(T) | NA | 1.92 ± 0.05 | NA | 485 ± 8 | NA | 679 ± 7 | NA | 20.6 ± 1.7 | NA | 47.0 ± 1.6 | NA | 9 ± 1.5 | | Brinar 500 | | | | | | | | | | | | | | | | D(L) | NA | 2.10 ± 0.23 | 1350 | 1278 ± 10 | 1500 | 1494 ± 8 | 8 | 11.0 ± 0.2 | NA | 46.2 ± 8.6 | 25 | 45 ± 1.0 | 480 | 472 ± 4 | | D(T) | NA | 1.98 ± 0.12 | NA | 1279 ± 27 | NA | 1493 ± 14 | NA | 10.9 ± 1.0 | NA | 43.4 ± 2.4 | NA | 40 ± 11.1 | | N(L) | NA | 1.88 ± 0.05 | NA | 560 ± 36 | NA | 926 ± 6 | NA | 22.4 ± 1.0 | NA | 33.3 ± 3.9 | NA | 9 ± 1.6 | NA | 347 ± 10 | | N(T) | NA | 1.85 ± 0.03 | NA | 545 ± 6 | NA | 937 ± 6 | NA | 21.7 ± 0.1 | NA | 33.4 ± 1.7 | NA | 8 ± 0.3 |
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