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X20CrMoNiNbV11-1

Description

International ISO ISO/TR 4956, X20CrMoNiNbV11-1 Specialsteel Wrought steels for use at elevated temperatures in engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X20CrMoNiNbV11-1
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X20CrMoNiNbV11-1 Bainite ISO International Wrought steels for use at elevated temperatures in engines

Chemical composition(mass fraction)(wt.%) of the X20CrMoNiNbV11-1

C Si Mn P S Cr Mo Ni V B N
0.16 -0.24 0.10 -0.50 0.30 -1.00 ≤0.030 ≤0.030 10.00 -12.00 0.50 -1.00 0.30 -1.00 0.20 -0.50 ≤0.008 ≤0.10

Mechanical Properties of steel grade X20CrMoNiNbV11-1

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)
791 (≥) 198 (≥) 33 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade X20CrMoNiNbV11-1

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 - -     0.41 -  
886 445 - 31.3 132   -  
445 - 33 41.2   412 124

Heat Treatment of steel grade X20CrMoNiNbV11-1

Heat treated : 1326°C - 1318°C

Technological Curves of steel grade X20CrMoNiNbV11-1

Relevant standard of X20CrMoNiNbV11-1

ISO/TR 4956 Wrought steels for use at elevated temperatures in engines ISO-TR-4956.pdf

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