Element composition (%) <
Crade/UNS	C	O	N	H	Fe	Mo	Zr	Ni	S	Ti	Hf	Ta	Nb
R04200	0.01	0.015	0.01	0.0015	0.025	0.01	0.02	0.01	0.005	0.02	0.02	0.1	remaining
R04210	0.01	0.025	0.01	0.0015	0.01	0.02	0.02	0.01	0.005	0.03	0.02	0.3	remaining
R04251	0.01	0.015	0.01	0.0015	0.005	0.01	0.8~1.2	0.01	0.005	0.02	0.02	0.1	remaining
R04261	0.01	0.025	0.01	0.0015	0.01	0.05	0.8~1.2	0.01	0.005	0.03	0.02	0.5	remaining