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20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Cr2Ni4

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GBT 20Cr2Ni4

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This page is mainly introduced the 20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Cr2Ni4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20Cr2Ni4

Steel Garde:20Cr2Ni4
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
G20Cr2Ni4	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	169～998	σb/MPa
Yield Strength	722	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	214～828	-
HRC	30	-

Physical Properties

Thermal expansion	16-84	e-6/K
Thermal conductivity	94-44	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5385-1466	째C
Density	1555-2557	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)
20Cr2Ni4 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