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28 NiCrMoV 8-5

EU EN 28NiCrMoV8-5 Open die steel forging for general engineering purposes - part 3 : alloy special steels pies forgs en acier pour usage gal. partie 3 : aciers spiaux alli and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 28NiCrMoV8-5 / 28 NiCrMoV 8-5
Category Grade Standard Region/Area Standard Content
Metals 28 NiCrMoV 8-5 EN 10250-3 EU Open die steel forging for general engineering purposes - part 3 : alloy special steels pies forgs en acier pour usage gal. partie 3 : aciers spiaux alli

Chemical composition(mass fraction)(wt.%) of the 28 NiCrMoV 8-5

Element Min Max Similar

Mechanical Properties of steel grade 28 NiCrMoV 8-5

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)
767 (≥) 971 (≥) 43 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 28 NiCrMoV 8-5

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
24 - -     0.24 -  
198 581 - 33.3 212   -  
273 - 11 21.2   444 434

Heat Treatment of steel grade 28 NiCrMoV 8-5

Heat treated : 1899°C - 1612°C

Technological Curves of steel grade 28 NiCrMoV 8-5

Cross Reference Table (Equivalent Grade) of 28 NiCrMoV 8-5

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