Lukens A242

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#Lukens # #A242

Description

Lukens A242 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Lukens A242

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Lukens A242
		HY-100
		Jalloy AR
		Kaisaloy 45CV
		Kaisaloy 45FG
		Kaisaloy 50CR
		Kaisaloy 50CV
		Kaisaloy 55CV
		Kaisaloy 60CV
		Kaisaloy 65CV
		Kaisaloy AR

Chemical composition(mass fraction)(wt.%) of the Lukens A242

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2		1.35
Mo	Al	Cu	Nb	Ti	V	Ce
		0.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade Lukens A242

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)
196 (≥)	725 (≥)	21	31	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade Lukens A242

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	-	-			0.22	-
696	898	-	34.3	331		-
887	-	22	24.2			342	214

Heat Treatment of steel grade Lukens A242

Heat treated : 1734°C - 1777°C

Technological Curves of steel grade Lukens A242

No Curve

Cross Reference Table (Equivalent Grade) of Lukens A242

Grade	Standard	Country	Application
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar

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