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4Cr10Si2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr10Si2Mo

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GBT 4Cr10Si2Mo

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This page is mainly introduced the 4Cr10Si2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr10Si2Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4Cr10Si2Mo - Chinese GB standard of internal combustion engine valve steel bar (GB/T 12773-1991)

Steel Garde:4Cr10Si2Mo
Type:Special Alloy
Country:China
Standard:GBT
Application:Chinese GB standard of internal combustion engine valve steel bar (GB/T 12773-1991)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	165～536	σb/MPa
Yield Strength	137	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	174～717	-
HRC	30	-

Physical Properties

Thermal expansion	73-45	e-6/K
Thermal conductivity	87-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2493-7041	째C
Density	5965-4688	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)
4Cr10Si2Mo 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