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ISO X21CrMoNiV12 2

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ISO X12CrNiMoV12 3 ISO X12CrMoV12 6
#X21CrMoNiV12-2

Description

ISO ISO ISO X21CrMoNiV12 2 High temperature bainite and martensite steel ISO standard internal combustion engine and ISO X21CrMoNiV12 2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO X21CrMoNiV12 2
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO X21CrMoNiV12 2 ISO ISO High temperature bainite and martensite steel ISO standard internal combustion engine
ISO X33CrNiMnN23 3
ISO NiCr15Fe7TiAl
ISO NiFe25Cr20NbTi
ISO NiCr20TiAl
ISO 21CrMoV5 7
ISO 40CrMo5 6
ISO 40CrMoV4 6
ISO X21Cr13
ISO X20CrMoNiNbV11 1
ISO X12CrNiMoV12 3

Chemical composition(mass fraction)(wt.%) of the ISO X21CrMoNiV12 2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%)
0.17-0.25 Max 0.50 Max 1.00 Max 0.035 Max 0.03 11.0-12.5 0.30-1.00 0.70-1.20 0.20-0.35

Mechanical Properties of steel grade ISO X21CrMoNiV12 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)
952 (≥) 792 (≥) 21 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade ISO X21CrMoNiV12 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
44 - -     0.33 -  
838 161 - 23.3 441   -  
115 - 44 21.2   432 143

Heat Treatment of steel grade ISO X21CrMoNiV12 2

Heat treated : 1184°C - 1768°C

Technological Curves of steel grade ISO X21CrMoNiV12 2

Cross Reference Table (Equivalent Grade) of ISO X21CrMoNiV12 2

Grade Standard Country Application
ISO X21CrMoNiV12 2 ISO ISO High temperature bainite and martensite steel ISO standard internal combustion engine
ISO X12CrNiMoV12 3 ISO X12CrMoV12 6
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