441

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China 宝钢Q/BQB 441 铁素体不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 441 / 441

Category	Grade	Standard	Region/Area	Standard Content
Metals	441	--	China	铁素体不锈钢

Chemical composition(mass fraction)(wt.%) of the 441

Element	Min	Max	Similar
C	-	-	0.0150
Si	-	-	1.0000
Mn	-	-	1.0000
P	-	-	0.0400
S	-	-	0.0200
Cr	17.5000	19.0000	-
Ni	-	-	0.3000
N	-	-	0.0250
Ti+Nb	-	-	-

Mechanical Properties of steel grade 441

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)
789 (≥)	823 (≥)	44	22	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade 441

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
34	-	-			0.41	-
262	385	-	12.3	242		-
571	-	41	32.2			132	322

Heat Treatment of steel grade 441

Heat treated : 1131°C - 1347°C

Technological Curves of steel grade 441

No Curve

Cross Reference Table (Equivalent Grade) of 441

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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441