AWS EA4

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Description

AWS EA4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS EA4

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS EA4
		AWS EM12K
		UNS K01113
		AWS EA1
		UNS K11222
		AWS EA2
		UNS K11223
		AWS EA3
		UNS K11423
		AWS EA3K
		UNS K21451

Chemical composition(mass fraction)(wt.%) of the AWS EA4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05-0.15	0.2	1.2-1.7	0.025	0.025
Mo	Al	Cu	Nb	Ti	V	Ce
0.45-0.65		≤0.35
N	Co	Pb	B	Other sum
				≤0.5

Mechanical Properties of steel grade AWS EA4

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)
731 (≥)	993 (≥)	12	31	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	313

Physical Properties of steel grade AWS EA4

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	-	-			0.24	-
815	245	-	21.3	221		-
987	-	34	43.2			344	411

Heat Treatment of steel grade AWS EA4

Heat treated : 1411°C - 1777°C

Technological Curves of steel grade AWS EA4

No Curve

Cross Reference Table (Equivalent Grade) of AWS EA4

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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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...

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