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X 6 NiCrTiMoVB 25-15-2

EU EN X6NiCrTiMoVB25-15-2 steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 6 NiCrTiMoVB 25-15-2 EN 10269 EU steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%) of the X 6 NiCrTiMoVB 25-15-2

Element Min Max Similar
B 0.0030 0.0100 -
Ti 1.9000 2.3000 -
V 0.1000 0.5000 -
Mo 1.0000 1.5000 -
Ni 24.0000 27.0000 -
Cr 13.5000 16.0000 -
P - 0.0250 -
S - 0.0150 -
Mn 1.0000 2.0000 -
Si - 1.0000 -
C 0.0300 0.0800 -

Mechanical Properties of steel grade X 6 NiCrTiMoVB 25-15-2

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)
895 (≥) 177 (≥) 44 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade X 6 NiCrTiMoVB 25-15-2

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
34 - -     0.23 -  
433 294 - 33.3 212   -  
938 - 42 23.2   334 433

Heat Treatment of steel grade X 6 NiCrTiMoVB 25-15-2

Heat treated : 1253°C - 1223°C

Technological Curves of steel grade X 6 NiCrTiMoVB 25-15-2

Cross Reference Table (Equivalent Grade) of X 6 NiCrTiMoVB 25-15-2

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