AWS ER240

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#AWS # # #ER240

Description

AWS ER240 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS ER240

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS ER240
		AWS EM4
		UNS K21030
		AWS EW
		UNS K11245
		AWS ER209
		UNS S20980
		AWS ER218
		UNS S21880
		AWS ER219
		UNS S21980

Chemical composition(mass fraction)(wt.%) of the AWS ER240

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.05	1.0	10.5-13.5	0.03	0.03	17-19	4.0-6.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.75		≤0.75
N	Co	Pb	B	Other
0.1-0.3

Mechanical Properties of steel grade AWS ER240

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)
223 (≥)	366 (≥)	43	42	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade AWS ER240

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	-
145	876	-	12.3	332		-
518	-	21	43.2			413	122

Heat Treatment of steel grade AWS ER240

Heat treated : 1538°C - 1925°C

Technological Curves of steel grade AWS ER240

No Curve

Cross Reference Table (Equivalent Grade) of AWS ER240

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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