1.0521

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Bulgaria BDS 1.0521 铁路应用 - 轨道 - 铁路 - 第1部分：丁字形铁轨46千克/平方米以上 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.0521 / 1.0521

Category	Grade	Standard	Region/Area	Standard Content
Metals	1.0521	BDS EN 13674-1	Bulgaria	铁路应用 - 轨道 - 铁路 - 第1部分：丁字形铁轨46千克/平方米以上

Chemical composition(mass fraction)(wt.%) of the 1.0521

Element	Min	Max	Similar
C	0.4000	0.6000	-
Mn	0.7000	1.2000	-
P	-	0.0350	-
S	-	0.0350	-
Si	0.1500	0.5800	-
Ni	-	0.1000	-
Cr	-	0.1500	-
Mo	-	0.0200	-
Cu	-	0.1500	-
V	-	0.0300	-
Ti	-	0.0250	-
N	-	0.0090	-
Al	-	0.0040	-
Nb	-	0.0100	-
Sn	-	0.0300	-
Sb	-	0.0200	-
H	-	-	-
O	-	-	-
Cu+Sn	-	-	-
Other	-	0.3500	-

Mechanical Properties of steel grade 1.0521

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)
917 (≥)	914 (≥)	41	11	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	121

Physical Properties of steel grade 1.0521

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
14	-	-			0.31	-
988	629	-	13.3	221		-
749	-	21	33.2			244	141

Heat Treatment of steel grade 1.0521

Heat treated : 1265°C - 1523°C

Technological Curves of steel grade 1.0521

No Curve

Cross Reference Table (Equivalent Grade) of 1.0521

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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