Fractographic Analysis of Brinar 400 and Brinar 500 Steels in Impact Testing

Table 2

Chemical compositions of steels Brinar 400 and Brinar 500: MD: manufacturer’s data [7, 8], OR: own results, and NA: not available.

Element	Brinar 400		Brinar 500
	Chemical composition wt%
	MD	OR	MD	OR
C	≤0.18	0.20	≤0.28	0.30
Mn	≤2.00	1.13	≤1.50	0.97
Si	≤0.50	0.23	≤0.80	0.60
P	≤0.015	0.012	≤0.020	0.015
S	≤0.005	0.001	≤0.005	0.001
Cr	≤1.55	0.61	≤1.50	0.87
Ni	NA	0.45	NA	0.04
Mo	≤0.60	0.31	≤0.40	0.20
V	NA	0.040	NA	0.005
Cu	NA	0.025	NA	0.020
Al	≤0.10	0.071	≤0.10	0.038
Ti	NA	0.005	NA	0.007
Nb	NA	0.013	NA	0.000
Co	NA	0.012	NA	0.013
B	≤0.005	0.0023	NA	0.0008