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X 8 CrNiNb 16 13

Germany DIN X8CrNiNb1613 Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X8CrNiNb1613 / X 8 CrNiNb 16 13
Category Grade Standard Region/Area Standard Content
Metals X 8 CrNiNb 16 13 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 CrNiNb 16 13

Element Min Max Similar
Si 0.3000 0.6000 -
S - 0.0150 -
P - 0.0350 -
Ni 12.0000 14.0000 -
Mn - 1.5000 -
Cr 15.0000 17.0000 -
C 0.0400 0.1000 -
Si 0.3000 0.6000 -
S - 0.0150 -
P - 0.0350 -
Ni 12.0000 14.0000 -
Nb - 1.2000 -
Mn - 1.5000 -
Cr 15.0000 17.0000 -
C 0.0400 0.1000 -
Si 0.3000 0.6000 -
S - 0.0150 -
P - 0.0350 -
Ni 12.0000 14.0000 -
Mn - 1.5000 -
Cr 15.0000 17.0000 -
C 0.0400 0.1000 -

Mechanical Properties of steel grade X 8 CrNiNb 16 13

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)
725 (≥) 944 (≥) 22 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade X 8 CrNiNb 16 13

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
33 - -     0.11 -  
439 494 - 12.3 443   -  
251 - 24 13.2   334 334

Heat Treatment of steel grade X 8 CrNiNb 16 13

Heat treated : 1462°C - 1584°C

Technological Curves of steel grade X 8 CrNiNb 16 13

Cross Reference Table (Equivalent Grade) of X 8 CrNiNb 16 13

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