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X2CrNb18-9

Description

France AFNOR X2CrNb18-9 Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999)) and X2CrNb18-9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X2CrNb18-9
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X2CrNb18-9 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
25CrMo4
30CrNiMo8
34CrNiMo6
35B2
40CrMoV4-6
41NiCrMoV7-3-2
42CrMo5-6
C35E
NiCr20TiAI
NiCr15Fe7TiAI

Chemical composition(mass fraction)(wt.%) of the X2CrNb18-9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%)
Max 0.030 Max 1.00 Max 2.00 Max 0.045 Max 0.030 17.5-19.5 8.00-10.0 Max 0.11

Mechanical Properties of steel grade X2CrNb18-9

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)
812 (≥) 828 (≥) 14 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade X2CrNb18-9

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
11 - -     0.33 -  
793 299 - 43.3 113   -  
454 - 44 44.2   444 213

Heat Treatment of steel grade X2CrNb18-9

Heat treated : 1931°C - 1539°C

Technological Curves of steel grade X2CrNb18-9

Cross Reference Table (Equivalent Grade) of X2CrNb18-9

Grade Standard Country Application
X2CrNb18-9 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))

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