AWS ER70S-4

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#AWS # # #ER70S-4

Description

AWS ER70S-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS ER70S-4

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS ER70S-4
		AWS ENiFeMn-C1
		AWS ENiCu-A
		UNS W84001
		AWS ENiCu-B
		UNS W84002
		AWS Est
		AWS ER70S-2
		UNS K10726
		AWS ER70S-3
		UNS K11022

Chemical composition(mass fraction)(wt.%) of the AWS ER70S-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07-0.15	0.65-0.85	1.0-1.5	0.025	0.035
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.5
N	Co	Zr	B	Other
				Cr+Ni+Mo+V≤0.5%

Mechanical Properties of steel grade AWS ER70S-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)
335 (≥)	695 (≥)	24	33	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade AWS ER70S-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
44	-	-			0.44	-
139	463	-	43.3	333		-
583	-	44	22.2			222	411

Heat Treatment of steel grade AWS ER70S-4

Heat treated : 1675°C - 1236°C

Technological Curves of steel grade AWS ER70S-4

No Curve

Cross Reference Table (Equivalent Grade) of AWS ER70S-4

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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