ASTM M2

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Description

ASTM M2 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: ASTM M2

Category	Type	Steel Grade
Steel Grades	Tool Steel	ASTM M2
		ASTM T5
		UNS T12005
		ASTM T6
		UNS T12006
		ASTM T8
		UNS T12007
		ASTM T15
		UNS T12015
		ASTM M1
		UNS T13101

Chemical composition(mass fraction)(wt.%) of the ASTM M2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.78-0.88	0.2-0.45	0.15-0.4	0.03	0.03	3.75-4.5
Mo	Al	W	Nb	Ti	V	Ce
4.5-5.5		5.5-6.75			1.75-2.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade ASTM M2

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
123 (≥)	388 (≥)	34	22	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade ASTM M2

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
43	-	-			0.41	-
626	179	-	12.3	114		-
351	-	34	14.2			132	412

Heat Treatment of steel grade ASTM M2

Heat treated : 1836°C - 1455°C

Technological Curves of steel grade ASTM M2

No Curve

Cross Reference Table (Equivalent Grade) of ASTM M2

Grade	Standard	Country	Application
ASTM 1030	ASTM	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
ASTM 1008	ASTM	USA	General use carbon steel bar
ASTM 1010	ASTM	USA	General use carbon steel bar
ASTM 1013	ASTM	USA	General use carbon steel bar
ASTM 1015	ASTM	USA	General use carbon steel bar
ASTM 1016	ASTM	USA	General use carbon steel bar
ASTM 1017	ASTM	USA	General use carbon steel bar
ASTM 1018	ASTM	USA	General use carbon steel bar
ASTM 1019	ASTM	USA	General use carbon steel bar
ASTM 1020	ASTM	USA	General use carbon steel bar
ASTM 1021	ASTM	USA	General use carbon steel bar
ASTM W1-A	ASTM	USA	Carbon tool steel
ASTM A182 F55	ASTM	USA	Super Duplex
ASTM 431	ASTM	USA	Martensitic special steel
ASTM 440A	ASTM	USA	Martensitic special steel
ASTM 440B	ASTM	USA	Martensitic special steel
ASTM 440C	ASTM	USA	Martensitic special steel
ASTM 501	ASTM	USA	Martensitic special steel

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