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20CrNi3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrNi3

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GBT 20CrNi3

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This page is mainly introduced the 20CrNi3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrNi3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20CrNi3

Steel Garde:20CrNi3
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
T20CrNi370	STAS/SR	Romania
20CrNi3H	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	201～690	σb/MPa
Yield Strength	502	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	721～476	-
HRC	30	-

Physical Properties

Thermal expansion	78-00	e-6/K
Thermal conductivity	42-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7934-8517	째C
Density	6494-8439	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)
20CrNi3 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