Armco 2

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#Armco #2

Description

Armco 2 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Armco 2

Category	Type	Steel Grade
Steel Grades	High Alloy	Armco 2
		Allvac 720
		Allvac F-799
		AM-350
		AM-355
		Aqualloy
		Aquamet 17
		Aquamet 18
		Aquamet 19
		Aquamet 22
		Armco 1

Chemical composition(mass fraction)(wt.%) of the Armco 2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.010	...	0.10	0.010	0.008	≤0.03	≤0.03
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.02	≤0.005	≤0.03
N	Co	Pb	B	Other
				Sn ≤0.010

Mechanical Properties of steel grade Armco 2

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)
318 (≥)	251 (≥)	44	42	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade Armco 2

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
23	-	-			0.13	-
173	998	-	14.3	322		-
213	-	33	43.2			211	122

Heat Treatment of steel grade Armco 2

Heat treated : 1429°C - 1884°C

Technological Curves of steel grade Armco 2

No Curve

Cross Reference Table (Equivalent Grade) of Armco 2

Grade	Standard	Country	Application
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
UNS G10120	UNS	USA	General use carbon steel bar
ASTM 1020	ASTM	USA	General use carbon steel bar
UNS G10200	UNS	USA	General use carbon steel bar
UNS G10210	UNS	USA	General use carbon steel bar
ASTM 1021	ASTM	USA	General use carbon steel bar
T12		China	Carbon tool steel
4CrW2Si		China	Alloy tool steel - Impact resistance tool steel
Cr2		China	Alloy tool steel - Measuring tool steel cutting tools
9Cr2		China	Alloy tool steel - Measuring tool steel cutting tools

Available Suppliers

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Rfq.: sales@longhaisteel.com

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