ASTM 2Q

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Description

ASTM 2Q Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM 2Q

Category	Type	Steel Grade
Steel Grades	Carbon Steel	ASTM 2Q
		ASTM E2N2
		ASTM E2Q2
		ASTM E2N3
		ASTM E2Q3
		UNS J42065
		ASTM E3N
		UNS J91550
		ASTM 1A
		ICI 1020
		ASTM 2A

Chemical composition(mass fraction)(wt.%) of the ASTM 2Q

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25-0.35	0.2-1.0	0.7-1.0	0.04	0.045	0.35	0.5
Mo	Al	Cu	Nb	Ti	W	Ce
		0.5			0.1
N	Co	Pb	B	Other

Mechanical Properties of steel grade ASTM 2Q

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)
846 (≥)	138 (≥)	23	32	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	412

Physical Properties of steel grade ASTM 2Q

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
33	-	-			0.14	-
661	663	-	42.3	222		-
142	-	11	12.2			322	143

Heat Treatment of steel grade ASTM 2Q

Heat treated : 1271°C - 1545°C

Technological Curves of steel grade ASTM 2Q

No Curve

Cross Reference Table (Equivalent Grade) of ASTM 2Q

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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