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40X9C2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40X9C2

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GOST 40X9C2

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This page is mainly introduced the 40X9C2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40X9C2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Steel Garde:40X9C2
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Martensite
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	2.00	3.00
Mn		0.80
P		0.030
S		0.025
Cr	8.00	10.00
Ni		0.60
Mo
W
Ti		0.20

Mechanical Properties

Tensile strength	318～580	σb/MPa
Yield Strength	729	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	830～909	-
HRC	30	-

Physical Properties

Thermal expansion	93-21	e-6/K
Thermal conductivity	49-06	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3428-8066	째C
Density	3004-0242	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)
40X9C2 Stainless Steels	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