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25CD4S Air 9160/C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CD4S Air 9160/C

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AFNOR 25CD4S Air 9160/C

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This page is mainly introduced the 25CD4S Air 9160/C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CD4S Air 9160/C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
25CD4S Air 9160C wrought steels used in aeronautical constructions

Steel Garde:25CD4S Air 9160/C
Type:Aviation and Aero Steel
Country:France
Standard:AFNOR
Standard Number:

ITEM Standard Number Descriptions

1 AIR 9160 C wrought steels used in aeronautical constructions
Application:wrought steels used in aeronautical constructions

ITEM	Standard Number	Descriptions
1	AIR 9160 C	wrought steels used in aeronautical constructions

Relevant products:

Air 9160C 25CD4S Round Bar

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.22	0.29
Si	0.10	0.25
Mn	0.50	0.80
P		0.020
S		0.015
Cr	0.90	1.20
Mo	0.15	0.25
Ni		0.30

Mechanical Properties

Tensile strength	237～978	σb/MPa
Yield Strength	587	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	729～319	-
HRC	30	-

Physical Properties

Thermal expansion	97-82	e-6/K
Thermal conductivity	31-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9412-2117	째C
Density	8298-1594	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)
25CD4S 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