X6NiCrTiMoVB25-15-2 Stainless Steels to ISO/TR 4956

X6NiCrTiMoVB25-15-2 - Specification & Application

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

Wrought steels for use at elevated temperatures in engines

Chemical composition(wt.%) of X6NiCrTiMoVB25-15-2 grade: to ISO/TR 4956

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.03 0.08
Si - 1.00
Mn - 2.00
P - 0.025
S - 0.015
Cr 13.50 16.00
Mo 1.00 1.50
Ni 24.00 27.00
V 0.10 0.50
Ti 1.90 2.30
B 0.003 0.010

X6NiCrTiMoVB25-15-2 - Detail

Wrought steels for use at elevated temperatures in engines

Mechanical properties of grade X6NiCrTiMoVB25-15-2 ISO/TR 4956

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
527 (≥) 461 (≥) 24 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade X6NiCrTiMoVB25-15-2 ISO/TR 4956

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
447 (≥) 297 (≥) 13 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
577 893 939

Equivalent Products

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