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X 6 CrNiNb 18 10 S

Austria ONORM X6CrNiNb1810S Bolting steels for boilers and pressure vessels; quality specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X6CrNiNb1810S / X 6 CrNiNb 18 10 S
Category Grade Standard Region/Area Standard Content
Metals X 6 CrNiNb 18 10 S ÖNORM M3120 Austria Bolting steels for boilers and pressure vessels; quality specifications

Chemical composition(mass fraction)(wt.%) of the X 6 CrNiNb 18 10 S

Element Min Max Similar

Mechanical Properties of steel grade X 6 CrNiNb 18 10 S

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)
224 (≥) 612 (≥) 24 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade X 6 CrNiNb 18 10 S

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 - -     0.32 -  
887 584 - 14.3 121   -  
172 - 33 33.2   341 433

Heat Treatment of steel grade X 6 CrNiNb 18 10 S

Heat treated : 1824°C - 1343°C

Technological Curves of steel grade X 6 CrNiNb 18 10 S

Cross Reference Table (Equivalent Grade) of X 6 CrNiNb 18 10 S

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