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France AFNOR AIR 9160 C, XC18S Specialsteel AIR 9160 Gr.XC18S and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: XC18S
Category Class Grade Standard Country Application
Steel GradesSpecialsteel XC18S AFNOR France AIR 9160 Gr.XC18S

Chemical composition(mass fraction)(wt.%) of the XC18S

C Si Mn P S
0.15 -0.22 ≤0.25 0.40 -0.65 ≤0.035 ≤0.035

Mechanical Properties of steel grade XC18S

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
987 (≥) 413 (≥) 23 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade XC18S

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
34 - -     0.12 -  
841 771 - 22.3 443   -  
982 - 42 42.2   124 131

Heat Treatment of steel grade XC18S

Heat treated : 1989°C - 1948°C

Technological Curves of steel grade XC18S

Cross Reference Table (Equivalent Grade) of XC18S

Grade Standard Country Application

Relevant standard of XC18S

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