AMS 6550H

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Description

AMS 6550H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6550H

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6550H
		AMS 6471C
		AMS 6472B
		AMS 6475E
		AMS 6485
		AMS 6487
		AMS 6488D
		AMS 6490D
		AMS 6491A
		AMS 6512B
		AMS 6546C

Chemical composition(mass fraction)(wt.%) of the AMS 6550H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.28-0.33					0.55	0.5
Mo	Al	Cu	Nb	Te	V	Ce
0.2
N	Co	Pb	B	Other
				AISI/SAF 8630 UNS G86300

Mechanical Properties of steel grade AMS 6550H

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)
512 (≥)	236 (≥)	31	11	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	314

Physical Properties of steel grade AMS 6550H

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
24	-	-			0.34	-
845	956	-	31.3	414		-
275	-	14	24.2			232	322

Heat Treatment of steel grade AMS 6550H

Heat treated : 1262°C - 1615°C

Technological Curves of steel grade AMS 6550H

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6550H

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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