Q390B

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China 舞钢Q/WTB Q390B 供大连保税区舞钢贸易有限公司厚度>150-220mm钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q390B / Q390B

Category	Grade	Standard	Region/Area	Standard Content
Metals	Q390B	WJX 022	China	供大连保税区舞钢贸易有限公司厚度>150-220mm钢板技术条件

Chemical composition(mass fraction)(wt.%) of the Q390B

Element	Min	Max	Similar
Mo	-	0.1000	-
N	-	0.0150	-
Cu	-	0.3000	-
Ni	-	0.5000	-
Cr	-	0.3000	-
Ti	-	0.2000	-
V	-	0.2000	-
Nb	-	0.0700	-
S	-	0.0350	-
P	-	0.0350	-
Mn	-	1.7000	-
Si	-	0.5000	-
C	-	0.2000	-

Mechanical Properties of steel grade Q390B

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)
384 (≥)	999 (≥)	11	12	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	242

Physical Properties of steel grade Q390B

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
13	-	-			0.12	-
512	542	-	34.3	233		-
632	-	34	43.2			214	324

Heat Treatment of steel grade Q390B

Heat treated : 1471°C - 1928°C

Technological Curves of steel grade Q390B

No Curve

Cross Reference Table (Equivalent Grade) of Q390B

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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