ASTM O2

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#ASTM # #O2

Description

ASTM O2 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: ASTM O2

Category	Type	Steel Grade
Steel Grades	Mould Steel	ASTM O2
		4Х2Б5ФМ
		4ХС
		6ХС
		4ХВ2С
		5ХВ2С
		6ХВ2С
		6ХВГ
		11Р3АМ3Ф2
		Р2АМ9К5
		SS14:2312

Chemical composition(mass fraction)(wt.%) of the ASTM O2

Chemical composition
C %	Si ≤ %	Mn %	P ≤ %	S ≤ %	Cu ≤%	Mo %	Ni ≤ %	V %
0.85-0.95	0,40	1,70-2.00	0,030	0,030	0.30	6,0-7,0	0.25	0.10-0.25

Mechanical Properties of steel grade ASTM O2

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)
292 (≥)	421 (≥)	23	14	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	343

Physical Properties of steel grade ASTM O2

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
32	-	-			0.33	-
375	346	-	32.3	111		-
943	-	44	21.2			412	124

Heat Treatment of steel grade ASTM O2

Heat treated : 1848°C - 1967°C

Technological Curves of steel grade ASTM O2

No Curve

Cross Reference Table (Equivalent Grade) of ASTM O2

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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