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X 8 CrNiTi 18 10

Germany DIN X8CrNiTi1810 Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8CrNiTi1810 / X 8 CrNiTi 18 10
Category Grade Standard Region/Area Standard Content
Metals X 8 CrNiTi 18 10 DIN 17459 Germany Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the X 8 CrNiTi 18 10

Element Min Max Similar
Si - 0.7500 -
S - 0.0150 -
P - 0.0350 -
Ni 9.5000 11.5000 -
Mo - 0.6000 -
Mn - 2.0000 -
Cr 17.0000 18.5000 -
C 0.0400 0.1000 -
B 0.0015 0.0050 -
Ti - 0.8000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 9.0000 12.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.1000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 9.0000 12.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.1000 -
Si - 0.7500 -
S - 0.0150 -
P - 0.0350 -
Ni 9.5000 11.5000 -
Mo - 0.6000 -
Mn - 2.0000 -
Cr 17.0000 18.5000 -
C 0.0400 0.1000 -
B 0.0015 0.0050 -

Mechanical Properties of steel grade X 8 CrNiTi 18 10

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)
453 (≥) 439 (≥) 24 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade X 8 CrNiTi 18 10

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
43 - -     0.12 -  
785 233 - 33.3 424   -  
361 - 42 31.2   214 343

Heat Treatment of steel grade X 8 CrNiTi 18 10

Heat treated : 1239°C - 1197°C

Technological Curves of steel grade X 8 CrNiTi 18 10

Cross Reference Table (Equivalent Grade) of X 8 CrNiTi 18 10

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