AMS 6440J

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#AMS # # #6440J

Description

AMS 6440J Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6440J

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6440J
		AMS 6430C
		AMS 6431G
		AMS 6432A
		AMS 6433C
		AMS 6434C
		AMS 6435C
		AMS 6436B
		AMS 6437D
		AMS 6438C
		AMS 6439B

Chemical composition(mass fraction)(wt.%) of the AMS 6440J

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.98-1.1					1.45
Mo	Al	Cu	Nb	Te	V	Ce

N	Co	Pb	B	Other
				AISI/SAF 52100 UNS G52986

Mechanical Properties of steel grade AMS 6440J

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)
858 (≥)	877 (≥)	34	13	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade AMS 6440J

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
41	-	-			0.13	-
888	239	-	14.3	214		-
847	-	21	24.2			234	444

Heat Treatment of steel grade AMS 6440J

Heat treated : 1619°C - 1527°C

Technological Curves of steel grade AMS 6440J

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6440J

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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