AMS 6381D

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#AMS # # #6381D

Description

AMS 6381D Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6381D

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6381D
		AMS 6360H
		AMS 6361B
		AMS 6362C
		AMS 6365G
		AMS 6370J
		AMS 6371G
		AMS 6372G
		AMS 6373C
		AMS 6378C
		AMS 6379A

Chemical composition(mass fraction)(wt.%) of the AMS 6381D

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43					0.95
Mo	Al	Cu	Nb	Te	V	Ce
0.2
N	Co	Pb	B	Other
				AISI/SAF 4140 UNS G41400

Mechanical Properties of steel grade AMS 6381D

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)
272 (≥)	183 (≥)	43	44	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	314

Physical Properties of steel grade AMS 6381D

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
42	-	-			0.33	-
874	768	-	32.3	131		-
475	-	22	12.2			411	133

Heat Treatment of steel grade AMS 6381D

Heat treated : 1724°C - 1555°C

Technological Curves of steel grade AMS 6381D

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6381D

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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