Chemical Composition

Classifi-cation	Chara-cteristics	DAIDO BRAND	Chemical Composition（mass%）								Equivalent
			C	Si	Mn	Ni	Cr	Mo	Free-cutting	Special element	JIS	AISI
Martensitic	Free-cutting	DSR03F	0.12	0.4	0.5	-	12.2		Added		SUS403	403
		DSR10F	0.10	0.4	0.5	-	12.5		Added		SUS410F2	-
		DSR10FA	0.05	0.4	0.5	-	13.0		Added		SUS410F2	-
		DSR16F	0.10	0.4	1.0	-	13.0		Added		SUS416	416
		DSR16FC	0.14	0.3	1.2	-	12.4		Added		SUS416	416
		DSR20F	0.33	0.4	0.5	-	13.0		Added		SUS420F2	-
		DSR20FD	0.32	0.3	1.0	-	12.3		Added		SUS420F2	-
		DSR7F	0.70				12.0		Added
	High-strength	DSR31H	0.18	0.6	0.7	1.7	15.8				SUS431	431
		DSR7	0.70	0.5	0.6	-	12.0	Added			-	-
		DSR03H	0.13	0.3	0.5	0.4	11.8	Added			SUS403	403
		DSR20H	0.19	0.5	0.6	-	13.5				SUS420J1	420
		DSR20HA	0.23	0.4	0.5	-	13.5				SUS420J1	420
		DSR20HB	0.40	0.4	0.4	-	13.5
	For Cold Forging	DSR10U	0.06	0.3	0.5	-	13.5				SUS410	410
		DSR10UA	0.05	0.3	0.5	-	13.5				SUS410	410
		LAK41	0.50	0.2	0.15	-	16.0	Added			-	-
		LAK42	0.52	0.2	0.2	-	13.0	Added			SUS440A	-
	For Cutting knife	DSR1K2	0.20	≦1.00	≦1.00	≦0.50	13.5	-			SUS420J1	-
		DSR1K3	0.30	≦1.00	≦1.00	≦0.50	13.5	-			SUS420J2	-
		DSR1K6	0.60	≦1.00	≦1.00	≦0.50	13.5	0.1		Added	-	-
		DSR1K7	0.70	≦1.00	≦1.00	≦0.50	13.5	0.1		Added	-	-
		DSR1K8	0.80	≦1.00	≦1.00	≦0.50	13.5	0.1		Added	-	-
Ferritic	Free-cutting	DSR1F	0.12	0.4	1.3	-	17.0	Added	Added	Added	-	-
		DSR30F	0.08	0.4	0.5	-	17.0		Added		SUS430F	430F
		DSR30FA	0.03	0.4	0.5	-	18.0		Added		SUS430F	430F
		DSR6F	0.01	0.5	1.2		20.0	2.0	Added		-	-
	Cold Workability	DSR30U	0.06	0.3	0.5	-	16.5				SUS430	430
		LAK51	0.01	0.15	0.3		19.0			Added	SUS430LX
		LAK52	0.01	0.15	0.3	-	20.0	1.0		Added	-	-
Austenitic	Free-cutting	304BF	0.07	0.5	0.7	9.0	18.5		Added		SUS304	304
		303FL	0.07	0.5	0.7	9.0	18.0		Added		SUS303	303
	High-strength Non-magnetic Free-cutting	DSH400F	0.10		1.8	9.5	18.0		Added
	High-strength, Non-magnetic	DSN6	0.09		1.5	12.0	18.0				SUS304N2
		DSN9	0.03		6.0	10.0	23.0	2.0
		DNM110			15.0	3.0	18.0	1.0
	Corrosion Resistance	SA-1				25.0	19.0	7.0			SUS836L
	Cold Workability	DSK2U	0.04			9.0	18.0
		DSK3U	0.03			11.0	17.0	2.5
		DSK6U	0.05			10.0	18.0
Precipitation Hardening	Cold Workability	SUS630-S	ULC			4.0	16.0			Added	SUS630
		DSP1H	0.02	0.20	0.2	6.5	13.0			Added
Duplex	High-strength・ Corrosion Resistance	DSD1H	0.02	0.6	0.8	5.5	24.0	1.5		Added	SUS329J1
		DSD5	0.03	0.7	0.7	5.5	24.0	2.8			SUS329J4L