2.4955

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EU EN 2.4955 Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2.4955 / 2.4955

Category	Grade	Standard	Region/Area	Standard Content
Metals	2.4955	EN 10090	EU	Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the 2.4955

Element	Min	Max	Similar
Ti	1.0000	2.0000	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0300	-
Ni	-	-	-
Nb+Ta	1.0000	2.0000	-
Mn	-	1.0000	-
Fe	23.0000	28.0000	-
Cr	18.0000	21.0000	-
C	0.0400	0.1000	-
B	-	0.0080	-
Al	0.3000	1.0000	-

Mechanical Properties of steel grade 2.4955

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)
942 (≥)	261 (≥)	34	21	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade 2.4955

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
21	-	-			0.24	-
823	689	-	11.3	133		-
355	-	12	11.2			413	314

Heat Treatment of steel grade 2.4955

Heat treated : 1965°C - 1836°C

Technological Curves of steel grade 2.4955

No Curve

Cross Reference Table (Equivalent Grade) of 2.4955

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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