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

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

Steel Garde:20CrNi
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
X20CrNi17-2	UNE	Spain
20CrNi3	GBT	China
20CrNiMo	GBT	China
20CrNi3H	GBT	China
20CrNiMoH	GBT	China
G20CrNiMo	GBT	China
G20CrNi2Mo	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	733～377	σb/MPa
Yield Strength	290	σ 0.2 ≥/MPa
Elongation	54	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	755～569	-
HRC	30	-

Physical Properties

Thermal expansion	09-80	e-6/K
Thermal conductivity	19-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9773-7787	째C
Density	7169-3678	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)
20CrNi 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