Armco 4

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#Armco #4

Description

Armco 4 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Armco 4

Category	Type	Steel Grade
Steel Grades	High Alloy	Armco 4
		AM-350
		AM-355
		Aqualloy
		Aquamet 17
		Aquamet 18
		Aquamet 19
		Aquamet 22
		Armco 1
		Armco 2
		Armco 3

Chemical composition(mass fraction)(wt.%) of the Armco 4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.010	...	0.06	0.005	0.003	≤0.03	≤0.03
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.02	≤0.005	≤0.003
N	Co	Pb	B	Other
≤0.005	≤0.005		≤0.0005	Sn ≤0.050

Mechanical Properties of steel grade Armco 4

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)
338 (≥)	556 (≥)	11	13	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade Armco 4

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
32	-	-			0.12	-
572	449	-	21.3	231		-
565	-	31	42.2			131	121

Heat Treatment of steel grade Armco 4

Heat treated : 1538°C - 1157°C

Technological Curves of steel grade Armco 4

No Curve

Cross Reference Table (Equivalent Grade) of Armco 4

Grade	Country	Application
Q345q E	China	Bridge structure with steel
Q345q C	China	Bridge structure with steel
4CrW2Si	China	Alloy tool steel - Impact resistance tool steel
Cr4W2MoV	China	Alloy tool steel - cold work steels
6W6Mo5Cr4V	China	Alloy tool steel - Impact resistance tool steel
5Cr4W5Mo2V	China	Alloy tool steel - hot-work die steel
4CrMnSiMoV	China	Alloy tool steel - hot-work die steel
4Cr3Mo3SiV	China	Alloy tool steel - hot-work die steel
4Cr5MoSiV	China	Alloy tool steel - hot-work die steel
4Cr5MoSiV1	China	Alloy tool steel - hot-work die steel
4Cr5W2VSi	China	Alloy tool steel - hot-work die steel
SM45	China	Plastic mould with flat steel
SM50	China	Plastic mould with flat steel
SM4Cr5MoSiV	China	Plastic mould with flat steel
SM4Cr5MoSiV1	China	Plastic mould with flat steel
SM4Cr13	China	Plastic mould with flat steel
SM45A	China	Plastic mould with Hot-rolled steel plate
SM48	China	Plastic mould with Hot-rolled steel plate
W18Cr4V	China	High-speed tool steel
W18Cr4VCo8	China	High-speed tool steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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