AMS 6255

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#AMS # #6255

Description

AMS 6255 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AMS 6255

Category	Type	Steel Grade
Steel Grades	Carbon Steel	AMS 6255
		SAE 1151
		UNS G11510
		SAE 1212
		UNS G12120
		SAE 1213
		SAE 12L14
		UNS G12144
		SAE 1215
		UNS G12150
		AMS 6250H

Chemical composition(mass fraction)(wt.%) of the AMS 6255

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16-0.22	1.1				1.45
Mo	Al	Cu	Nb	Ti	V	Ce
1.0	0.08
N	Co	Pb	B	Other
				AISI/SAF CBS600 UNS K21940

Mechanical Properties of steel grade AMS 6255

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)
336 (≥)	367 (≥)	31	23	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade AMS 6255

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	-	-			0.31	-
361	171	-	44.3	311		-
416	-	34	33.2			221	433

Heat Treatment of steel grade AMS 6255

Heat treated : 1617°C - 1277°C

Technological Curves of steel grade AMS 6255

No Curve

Cross Reference Table (Equivalent Grade) of AMS 6255

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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