XC18S Air 9160/C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XC18S Air 9160/C

AFNOR XC18S Air 9160/C

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This page is mainly introduced the XC18S Air 9160/C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XC18S Air 9160/C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

XC18S Air 9160C wrought steels used in aeronautical constructions

XC18S is a simple structural carbon steel used in the production of low-load machine parts and structures with good weldability, not requiring high strength properties in a heat-treated state.In the annealed state, the steel is characterized by good machinability, while in the normalized state, the material shows a much better susceptibility to mechanical cutting.

XC18S steel is supplied mainly in the form of round bars, is intended for connecting rods, connectors, shafts, overhead cranes, bolts, pins, bushings, control shafts, axles, keys, rivets, wedges and hubs.

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.15  0.22
Si   0.25
Mn 0.45  0.65
P   0.035
S   0.035

Mechanical Properties

Tensile strength 244~278 σb/MPa
Yield Strength 410 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 242~134 -
HRC 30 -

Physical Properties

Thermal expansion 61-69 e-6/K
Thermal conductivity 86-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6351-8233 째C
Density 5995-6877 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
XC18S Air 9160/C Aviation and Aero Steel Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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