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X85CrMoV18-2

Description

International ISO ISO 683-15 (1992), X85CrMoV18-2 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: X85CrMoV18-2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X85CrMoV18-2 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 X85CrMoV18-2

C Si Mn P S Cr Mo Ni V
0.80 -0.90 ≤1.00 ≤1.50 ≤0.040 ≤0.030 16.50 -18.50 2.00 -2.50 ≤ ≥ 0.30 -0.60

Mechanical Properties of steel grade X85CrMoV18-2

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)
599 (≥) 378 (≥) 32 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade X85CrMoV18-2

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
13 - -     0.14 -  
445 653 - 12.3 434   -  
529 - 22 14.2   323 222

Heat Treatment of steel grade X85CrMoV18-2

Heat treated : 1569°C - 1543°C

Technological Curves of steel grade X85CrMoV18-2

Cross Reference Table (Equivalent Grade) of X85CrMoV18-2

Grade Standard Country Application
X85CrMoV18-2
X85CrMoV18-2

Relevant standard of X85CrMoV18-2

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

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