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40Cr10q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40Cr10q

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STAS/SR 40Cr10q

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This page is mainly introduced the 40Cr10q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40Cr10q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40Cr10q

Steel Garde:40Cr10q
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
40Cr10q	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	362～618	σb/MPa
Yield Strength	762	σ 0.2 ≥/MPa
Elongation	14	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	010～037	-
HRC	30	-

Physical Properties

Thermal expansion	86-61	e-6/K
Thermal conductivity	70-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4189-5966	째C
Density	7268-7275	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)
40Cr10q Special Alloy	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