AMS 6408

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#AMS # # #6408

Description

AMS 6408 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6408

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6408
		AMS 6381D
		AMS 6382J
		AMS 6385D
		AMS 6386
		AMS 6386B
		AMS 6390B
		AMS 6395C
		AMS 6396B
		AMS 6406C
		AMS 6407D

Chemical composition(mass fraction)(wt.%) of the AMS 6408

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.45					5.2
Mo	Al	Cu	Nb	Te	V	Ce
1.5					1.0
N	Co	Pb	B	Other
				UNS T20813

Mechanical Properties of steel grade AMS 6408

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)
638 (≥)	625 (≥)	13	21	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade AMS 6408

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
44	-	-			0.32	-
147	359	-	23.3	122		-
567	-	42	12.2			223	311

Heat Treatment of steel grade AMS 6408

Heat treated : 1474°C - 1791°C

Technological Curves of steel grade AMS 6408

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6408

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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