Table 1 Chemical composition of freight...

Table 1

Chemical composition of freight car body material

	Car type	License plate number	C	Si	Mn	P	S	Cu	Cr	Ni
Test components (wt.%)	Freight car	Q450NQR1	0.05	0.20	1.17	0.02	0.006	0.36	0.59	0.11
Standard ingredients (wt.%)	Freight car	Q450NQR1	≤0.12	≤0.75	≤1.50	≤ 0.025	≤ 0.008	0.20∼ 0.50	0.30∼ 1.25	0.12∼ 0.65

	Car type	License plate number	C	Si	Mn	P	S	Cu	Cr	Ni
Test components (wt.%)	Freight car	Q450NQR1	0.05	0.20	1.17	0.02	0.006	0.36	0.59	0.11
Standard ingredients (wt.%)	Freight car	Q450NQR1	≤0.12	≤0.75	≤1.50	≤0.025	≤0.008	0.20∼0.50	0.30∼1.25	0.12∼0.65

Source(s): Authors’ own work

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