Hot Corrosion Behavior of High-Chromium, High-Carbon Cast Irons in NaCl-KCl Molten Salts

Table 1

Chemical composition of castings (wt.%).

Alloy	1	2	3	4	5	6	7	304SS
C	5.17	5.09	4.65	4.29	4.1	3.93	3.93	0.08
Mn	6.27	5.1	4.8	5.9	5.6	7.42	6.5	2
Si	0.34	0.32	0.32	0.42	0.4	0.32	0.28	1
S	0.02	0.02	0.02	0.01	0.02	0.02	0.01	0.03
P	0.15	0.05	0.05	0.05	0.05	0.05	0.17	0.045
Cr	21	21.2	22.52	30.48	29.7	27.7	28.7	19
Ni	1.58	1.8	1.68	1.96	1.94	1.86	1.81	9.5
Mo	2.2	0.92	2.47	3.3	3.25	0.98	1.04	—
V	0.85	0.87	0.615	0.53	1.16	1.14	0.57	—
Ti	0.23	0.24	0.11	0.06	0.21	0.13	0.05	—
CE	5.31	5.21	4.77	4.45	4.27	4.06	3.97	0.42
CrE	23.04	27.63	29.94	38.95	41.3	35.53	33.76	20.5