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Description

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

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)
527 (≥) 568 (≥) 23 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade XC18S

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
13 - -     0.24 -  
314 911 - 42.3 113   -  
534 - 23 41.2   322 243

Heat Treatment of steel grade XC18S

Heat treated : 1761°C - 1646°C

Technological Curves of steel grade XC18S

Cross Reference Table (Equivalent Grade) of XC18S

Grade Standard Country Application
40CDV20

Relevant standard of XC18S


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