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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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GBT 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	538～749	σb/MPa
Yield Strength	759	σ 0.2 ≥/MPa
Elongation	33	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	560～035	-
HRC	30	-

Physical Properties

Thermal expansion	56-80	e-6/K
Thermal conductivity	14-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2958-0467	째C
Density	2553-4221	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