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38CrSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38CrSi

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This page is mainly introduced the 38CrSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38CrSi,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
38CrSi

Steel Garde:38CrSi
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
38CrSiV6	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	686～387	σb/MPa
Yield Strength	730	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	946～997	-
HRC	30	-

Physical Properties

Thermal expansion	62-94	e-6/K
Thermal conductivity	63-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1440-5974	째C
Density	7819-3485	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)
38CrSi 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