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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	263～269	σb/MPa
Yield Strength	838	σ 0.2 ≥/MPa
Elongation	59	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	374～548	-
HRC	30	-

Physical Properties

Thermal expansion	02-42	e-6/K
Thermal conductivity	14-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3832-4039	째C
Density	4697-6228	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