Applied Microscopy

Table 1 Chemical compositions of standard specimens (wt.%)

From: EPMA quantification on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steel

Standard specimens
Element	SRM1761^a	SRM1763^a	SRM1764^a	SRM1765^a	SRM1767^a	SRM C1151a	SRM C1153a	2.029Si
C	1.03	0.203	0.592	0.006	0.052	0.034	0.225
Mn	0.678	1.58	1.21	0.144	0.022	2.37	0.544
P	0.04	0.012	0.02	0.0052	0.0031	0.017	0.03
S	0.035	0.023	0.012	0.0038	0.009	0.038	0.019
Si	0.18	0.63	0.057		0.026	0.29	1	2.029
Others^b	7.8674	7.5136	7.1326	0.6166	0.3101	64.8608	54.2867
Fe	Balance	Balance	Balance	Balance	Balance	Balance	Balance	Balance

^aThe compositions of the specimens are verified by the National Institute of Standards and Technology
^bOthers are various elements, including Cu, Zn, Ni, V, Al, Pb, Sb, Ag, B, N, etc.

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