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X50CrSi8-2

Favorite Datasheet
ISO H22 X45CrSi9-3
#X50CrSi8-2

Description

International ISO ISO 683-15 (1992), X50CrSi8-2 Specialsteel Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X50CrSi8-2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X50CrSi8-2 Martensite ISO International Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X50CrSi8-2

C Si Mn P S Cr Mo Ni
0.45 -0.55 1.00 -2.00 ≤0.60 ≤0.030 ≤0.030 7.50 -9.50 ≤ ≥ ≤0.60

Mechanical Properties of steel grade X50CrSi8-2

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
964 (≥) 631 (≥) 43 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade X50CrSi8-2

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
31 - -     0.13 -  
262 627 - 32.3 414   -  
884 - 21 12.2   222 241

Heat Treatment of steel grade X50CrSi8-2

Heat treated : 1758°C - 1371°C

Technological Curves of steel grade X50CrSi8-2

Relevant standard of X50CrSi8-2

ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines ISO-683-15-(1992).pdf
ISO H22 X45CrSi9-3
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