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ISO 21CrMoV5 7

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ISO NiCr20TiAl ISO 40CrMo5 6
#21CrMoV5-7

Description

ISO ISO ISO 21CrMoV5 7 High temperature bainite and martensite steel ISO standard internal combustion engine and ISO 21CrMoV5 7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO 21CrMoV5 7
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 21CrMoV5 7 ISO ISO High temperature bainite and martensite steel ISO standard internal combustion engine
ISO X45CrSi9 3
ISO X85CrMoV18 2
ISO X55CrMnNiN20 8
ISO X53CrMnNiN21 9
ISO X50CrMnNiNbN21 9
ISO X53CrMnNiNbN21 9
ISO X33CrNiMnN23 3
ISO NiCr15Fe7TiAl
ISO NiFe25Cr20NbTi
ISO NiCr20TiAl

Chemical composition(mass fraction)(wt.%) of the ISO 21CrMoV5 7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%)
0.17-0.25 Max 0.04 Max 0.40-0.80 Max 0.03 Max 0.03 1.20-1.50 Max 0.60 0.65-0.80 0.25-0.35

Mechanical Properties of steel grade ISO 21CrMoV5 7

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)
777 (≥) 674 (≥) 11 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade ISO 21CrMoV5 7

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
32 - -     0.23 -  
351 486 - 14.3 424   -  
949 - 31 44.2   223 431

Heat Treatment of steel grade ISO 21CrMoV5 7

Heat treated : 1756°C - 1365°C

Technological Curves of steel grade ISO 21CrMoV5 7

Cross Reference Table (Equivalent Grade) of ISO 21CrMoV5 7

Grade Standard Country Application
ISO 21CrMoV5 7 ISO ISO High temperature bainite and martensite steel ISO standard internal combustion engine
EN 21CrMoV5-7 EN Euronorm Euronorm Stainless Steel
ISO NiCr20TiAl ISO 40CrMo5 6
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