Grade	C	Si	Mn	P	S	Cr	Mo	W	Co	Cu	Ni	V	Al	As	Applications
ASP2023	1.26 1.31	0.20 0.70	0.15 0.40	Max. 0.05	Max. 0.03	3.75 4.50	4.75 5.25	5.95 6.75	Max. 0.50	Max. 0.60	Max. 0.80	2.80 3.20	Max. 0.10	Max. 0.25	Cutting tools: broaching/hobbing cutter/ cutter/tooth attack/special drill bits, etc. Forming tools: cold rolling work roll/punch/ cone/IC packaging mold/cold and warm forging die. Other: Precision stamping dies/slitting knife.
ASP2030	1.27 1.31	0.50 0.70	0.20 0.40	Max. 0.05	Max. 0.02	3.85 4.50	4.80 5.25	5.95 6.70	8.00 8.70	Max. 0.60	Max. 0.50	2.90 3.20	Max. 0.02	Max. 0.01
ASP2052	1.50 1.60	0.15 0.40	0.20 0.40	Max. 0.03	Max. 0.03	4.35 4.90	Max. 1.00	12.10 12.90	4.70 5.30	-	Max. 0.40	4.85 5.15	Max. 0.05	Max. 0.02
ASP2052M	1.55 1.67	0.20 0.70	0.20 0.40	Max. 0.03	Max. 0.03	4.50 5.00	1.80 2.20	9.50 11.00	7.60 8.35	-	-	4.60 5.20	-	-
ASP2060	2.27 2.34	0.40 0.80	0.20 0.40	Max. 0.05	Max. 0.03	3.80 4.50	6.75 7.25	6.25 6.75	10.00 11.00	Max. 0.60	Max. 0.50	6.30 6.70	Max. 0.02	Max. 0.02

* Fe is reported as remainder

Heat treatment conditions vs. Hardness

Round bar	Square Bar	Flat Bar
Φ10 ~ 300 mm	80mm x 80mm ~ 300mm x 300mm	50mm x 80mm ~ 360mm x 250mm

Hardness