Ageing Effects on Microstructure, Mechanical Properties, and Fracture Behaviour of 9Cr-1.5Mo-1Co-VNbBN Martensitic Steel Welded Joint for High Temperature Application

Table 1

Chemical composition in wt.% of CB2 steel BM and FM (Thermanit MTS 5 Co 1).

	C	Si	Mn	Cr	Ni	Mo	V	Ti	Al	Co	Nb	B	N	Fe
BM	0.12	0.29	0.86	9.14	0.22	1.5	0.19	0.002	0.006	0.95	0.06	0.012	0.020	Balance
FM	0.11	0.45	0.65	9.10	0.7	1.3	0.24	0.01	0.01	1.09	0.06	0.003	0.028	Balance