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X 6 CrNi 18 11

Germany DIN X6CrNi1811 Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X6CrNi1811 / X 6 CrNi 18 11
Category Grade Standard Region/Area Standard Content
Metals X 6 CrNi 18 11 DIN 17459 Germany Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the X 6 CrNi 18 11

Element Min Max Similar
Si - 0.7500 -
S - 0.0150 -
P - 0.0350 -
Ni 10.0000 12.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C 0.0400 0.0800 -

Mechanical Properties of steel grade X 6 CrNi 18 11

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)
397 (≥) 389 (≥) 24 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade X 6 CrNi 18 11

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
32 - -     0.14 -  
388 754 - 13.3 343   -  
855 - 14 31.2   212 122

Heat Treatment of steel grade X 6 CrNi 18 11

Heat treated : 1777°C - 1925°C

Technological Curves of steel grade X 6 CrNi 18 11

Cross Reference Table (Equivalent Grade) of X 6 CrNi 18 11

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