AMS 6321D

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#AMS # #6321D

Description

AMS 6321D Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6321D

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6321D
		AMS 6300C
		AMS 6302E
		AMS 6303D
		AMS 6304G
		AMS MAM6304
		AMS 6305A
		AMS 6308A
		AMS 6312E
		AMS 6317E
		AMS 6320H

Chemical composition(mass fraction)(wt.%) of the AMS 6321D

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.38-0.43					0.42	0.3
Mo	Al	Cu	Nb	Ti	V	Ce
0.12
N	Co	Pb	B	Other
			0.003	AISI/SAF 81B40 UNS K03810

Mechanical Properties of steel grade AMS 6321D

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)
962 (≥)	558 (≥)	43	34	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade AMS 6321D

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
12	-	-			0.13	-
632	365	-	13.3	122		-
689	-	23	34.2			134	132

Heat Treatment of steel grade AMS 6321D

Heat treated : 1398°C - 1933°C

Technological Curves of steel grade AMS 6321D

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6321D

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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