ASTM CB7Cu-2

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#ASTM # # #CB7Cu-2

Description

ASTM CB7Cu-2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM CB7Cu-2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	ASTM CB7Cu-2
		ASTM E1
		UNS J91249
		ASTM E2
		UNS J91339
		ASTM F
		UNS J91340
		ASTM Grade 485
		ASTM Grade 620
		ASTM Grade 825
		ASTM CB7Cu-1

Chemical composition(mass fraction)(wt.%) of the ASTM CB7Cu-2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07	1.0	0.7	0.035	0.03	14.0-15.5	4.5-5.5
Mo	Al	Cu	Nb	Ti	V	Ce
		2.5-3.2	0.15-0.35
N	Co	Pb	B	Other
≤0.05

Mechanical Properties of steel grade ASTM CB7Cu-2

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)
429 (≥)	249 (≥)	44	43	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade ASTM CB7Cu-2

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	-	-			0.41	-
356	384	-	41.3	231		-
174	-	42	34.2			132	244

Heat Treatment of steel grade ASTM CB7Cu-2

Heat treated : 1677°C - 1166°C

Technological Curves of steel grade ASTM CB7Cu-2

No Curve

Cross Reference Table (Equivalent Grade) of ASTM CB7Cu-2

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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