B400NQ

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China 宝钢Q/BQB B400NQ 耐候性冷连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B400NQ / B400NQ

Category	Grade	Standard	Region/Area	Standard Content
Metals	B400NQ	BZJ 464	China	耐候性冷连轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the B400NQ

Element	Min	Max	Similar
Ni	-	0.5000	-
Cr	0.3000	0.6500	-
Cu	0.2500	0.4000	-
S	-	0.0200	-
P	-	0.1000	-
Mn	0.2000	0.5000	-
Si	0.1000	0.4000	-
C	-	0.1200	-

Mechanical Properties of steel grade B400NQ

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)
443 (≥)	158 (≥)	13	33	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade B400NQ

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
42	-	-			0.14	-
947	537	-	24.3	334		-
238	-	32	41.2			412	324

Heat Treatment of steel grade B400NQ

Heat treated : 1552°C - 1755°C

Technological Curves of steel grade B400NQ

No Curve

Cross Reference Table (Equivalent Grade) of B400NQ

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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