Steel Grade			Comparable Standard AISI	Delivery Condition	Chemical Composition %											Price
					C	Si	Mn	Ni	Cr	S	W	Mo	V	Co	Al
Carbon Steels
JIS	S50C	Medium Carbon Steel	1050	170~190HB	0.50	0.30	0.80
EAB	Blue Label	Spring Steel	W1	Annealed 210HB	0.70	1.80	1.00
ASSAB	K100	High Carbon Steel	W1	Anneaned 170HB	1.05	0.20	0.30
Plastic Mould Steels
ML	P1	Modified Medium Carbon Steel	1055	Annealed 175~170HB	0.55	0.22	0.6	0.03	0.05	0.01
ML	638	Prehardened Mould Steel	P20	Prehardened 270~300HB	Patent Pending
ML	P20	Prehardened Mould Steel	P20	Prehardened 270~300HB	Patent Pending
ML	2311	Prehardened Mould Steel	P20	Prehardened 290~330HB	0.37		0.78		1.69			0.38
ML	738	Prehardened Mould Steel	P20 + Ni	Prehardened 290~330HB	0.36		1.30	0.97	1.88			0.29
ML	738H	Prehardened Mould Steel	P20 + Ni	Prehardened 330~370HB	0.36		1.30	0.97	1.88			0.29
ASSAB	718	Prehardened Mould Steel	P20	Prehardened 290~330HB	0.37		1.40		2.00			0.20
ASSAB	718H	Prehardened Mould Steel	P20	Prehardened 340~380HB	0.37		1.40		2.00			0.20
DAIDO	P5	Prehardened Mould Steel	P20	Prehardened 280~310HB	0.30	0.50	0.90	0.30	2.50			0.40	0.15
DAIDO	NAK-55	Prehardened Mould Steel	P21	Prehardened 38~41HRC	0.15	0.30		3.00	0.30	0.10		Cu 1.00			1.00
DAIDO	NAK-80	Prehardened Mould Steel	P21	Prehardened 38~41HRC	0.12	0.35		3.30							0.95
	2311	Prehardened Mould Steel	P20	Prehardened 290~330HB	0.40	0.30	1.45		2.00			0.20
	738	Prehardened Mould Steel	P20 + Ni	Prehardened 290~330HB	0.39		1.47	1.00	1.90			0.20	P<0.020
	738H	Prehardened Mould Steel	P20 + Ni	Prehardened 330~370HB	0.39		1.47	1.00	1.90			0.20	P<0.020
Cold Work Steels
ASSAB	DF-2	Oil Hardening Steel	01	Annealed 190HB	0.90		1.20		0.50		0.50		0.10
ASSAB	XW-10	Chromium-molybedenum Vanadium Alloy Steel	A2	Annealed 215HB	1.00				5.30			1.10	0.20
ASSAB	XW-5	Chromium Steel Alloy with tungsten	D6	Annealed 240HB	2.05	0.30	0.80		12.50		1.30
ASSAB	XW-41	Chromium Steel Alloy with molybdenum	D2	Annealed 210HB	1.55	0.30	0.30		12.00			0.80	0.80
ASSAB	S7	Shock Resisting Tool Steel	S7	Annealed 200HB	0.50	0.30	0.70		3.20			1.40
DAIDO	DC-53	High-Chromium Steel	D2	Annealed 210HB	Patent Pending
Stainless Mould Steels
ML	420H	Prehardened Stainless Mould Steel	420	Prehardened 28~33HRC	0.36		0.51		12.70
ML	2316 ESR	Stainless Mould Steel	420	Annealed 210HB	0.36			1.00	16.00			1.30
ML	2316H ESR	Prehardened Stainless Mould Steel	420	Prehardened 290~330HB	0.36			1.00	16.00			1.30
ASSAB	S136 SUP	Stainless Mould Steel	420 modified	Annealed 250HB	0.24		0.50	1.40	13.30			0.35	0.35
ASSAB	S136H SUP	Prehardened Stainless Mould Steel	420 modified	Prehardened 290~330HB	0.24		0.50	1.40	13.30			0.35	0.35
ASSAB	S136 ESR	Stainless Mould Steel	420	Annealed 215HB	0.38	0.80	0.50		13.60				0.30
ASSAB	S136H ESR	Prehardened Stainless Mould Steel	420	Prehardened 290~330HB	0.38	0.80	0.50		13.60				0.30
ASSAB	Corrax S336H	Stainless Precipitation Hardening Steel	420	Solution Treated 32HRC	0.03	0.30	0.30	9.20	12.00			1.40			1.60
DAIDO	S-STAR ESR	Stainless Mould Steel	420 modified	Prehardened 31~34HRC	0.38	0.90			13.50			0.10	0.30
DAIDO	440C ESR	Martensitic Stainless Steel	420	Annealed 269HB	1.08	≦1.00			17.00	≦0.03		≦0.75		P≦0.04
	2316H ESR	Prehardened Stainless Mould Steel	420	Prehardened 290~330HB	0.36			1.00	16.00			1.20
	2316 ESR	Prehardened Stainless Mould Steel	420	Annealed 235~250HB	0.36			1.00	16.00			1.20
Hot Work Steels
ML	2344 ESR	Microdized Hot Work Steel	H13	Annealed ≦235HB	0.42		0.39		4.96			1.34	0.99
ASSAB	8402	Microdized Hot Work Steel	H13	Annealed 185HB Microdized	0.38	1.00	0.40		5.30			1.30	0.90
ASSAB	8407 ESR	Microdized Hot work Steel	H13	Annealed 185HB Microdized	0.37	1.00	0.40		5.30			1.40	1.00
ASSAB	QRO-90	Hot Work Steel	----	Annealed 185HB	0.40	0.30	0.75		2.60			2.25	0.90
DAIDO	H-1	Hot Work Steel	H13	Annealed 220HB	0.39	1.00	0.40		5.00			1.30	1.00
DAIDO	DH31-S	High Durability Hot Work Steel	H13 modified	Annealed 210HB	Patent (0.4C-5.5Cr-3Mo-V)
High Speed Steels
ASSAB	HSP-41	High Speed Steel	M2	Annealed 260HB	0.88	0.30	0.30		4.20		6.40	5.00	1.90
ASSAB	ASP23	Powdered High Speed Steel	M3:2	Annealed 260HB	1.28				4.20		6.40	5.00	3.10
ASSAB	ASP30	Powdered High Speed Steel	----	Annealed 300HB	1.27				4.20		6.40	5.00	3.10	8.50
ASSAB	ASP60	Powdered High Speed Steel	----	Annealed 340HB	2.30				4.00		6.50	7.00	6.50	10.80
Machinery Steels
	Cromax	Hard Chromium Plate Steel Bar	----	Chrome:1000HV Steel:210HB	0.18	0.30	1.50						0.10
OVAKO	280	High Tensile Hollow Bar	----	210HB	0.18	0.35	1.50			0.30			0.08
	N-1	Nitrodizing Steel	----	Annealed 240HB	0.45	0.35	0.60		1.50			0.25			1.00
	4140	High Tensile Nickel Chrome Steel	4140	Prehardened 260~310HB	0.42	0.30	0.80		1.10			0.20
	4340	High Tensile Nickel Chrome Steel	4340	Prehardened 260~310HB	0.40	0.25	0.75	1.80	0.80			0.25
	Dense Bar		----	90HB	3.30	2.60	0.60		Ti 0.20
Copper
SAMBO	Copper		----	Half-hard 75~120HV									Cu 99.95
	HC18(C18000)	High Performance Copper Alloy	----	210HB		0.70		0.25	0.40				Cu 96.40
NGK	BC40	Beryllium Copper Alloy	----	40HRC
CADI	BC30 BC40	Beryllium Copper Alloy	----	30HRC 40HRC
Titanium Alloy
	Titanium		----	Annealed
Aluminium Alloy
ASSAB	Prodax-79	Aluminium Alloy Plate	----	Prehardened 145HB
	6061-T6	Aluminium Alloy	-----	95HB
	AP-7 (Mic 6)	Precision Machined Cast Aluminium Plate	----	65HB
Charging list of milling and grinding steel block
Hardness conversion table