AWS ERCoCr-A

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Description

AWS ERCoCr-A Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS ERCoCr-A

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS ERCoCr-A
		AWS EFeCr-A8
		UNS W74018
		AWS EFeCr-E1
		UNS W74211
		AWS EFeCr-E2
		UNS W74212
		AWS EFeCr-E3
		UNS W74213
		AWS EFeCr-E4
		UNS W74214

Chemical composition(mass fraction)(wt.%) of the AWS ERCoCr-A

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.9-1.4	2.0	1.0			26-32	≤3.0
Mo	Al	Cu	Nb	Ti	W	Fe
≤1.0					3.0-6.0	≤3.0
N	Co	Pb	B	Other
	...

Mechanical Properties of steel grade AWS ERCoCr-A

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)
529 (≥)	983 (≥)	21	14	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	224

Physical Properties of steel grade AWS ERCoCr-A

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	-	-			0.13	-
247	955	-	12.3	343		-
427	-	22	14.2			111	131

Heat Treatment of steel grade AWS ERCoCr-A

Heat treated : 1138°C - 1384°C

Technological Curves of steel grade AWS ERCoCr-A

No Curve

Cross Reference Table (Equivalent Grade) of AWS ERCoCr-A

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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