AWS E308H

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Description

AWS E308H Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS E308H

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS E308H
		AWS E209
		UNS W32210
		AWS E219
		UNS W32310
		AWS E240
		UNS W32410
		AWS E307
		UNS W30710
		AWS E308
		UNS W30810

Chemical composition(mass fraction)(wt.%) of the AWS E308H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04-0.08	0.9	0.5-2.5	0.04	0.03	18.0-21.0	9.0-11.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.75		≤0.75
N	Co	Pb	B	Other

Mechanical Properties of steel grade AWS E308H

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)
132 (≥)	945 (≥)	43	14	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade AWS E308H

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	-
754	645	-	21.3	421		-
621	-	14	33.2			242	413

Heat Treatment of steel grade AWS E308H

Heat treated : 1964°C - 1954°C

Technological Curves of steel grade AWS E308H

No Curve

Cross Reference Table (Equivalent Grade) of AWS E308H

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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