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18CrNi20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20

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STAS/SR 18CrNi20

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This page is mainly introduced the 18CrNi20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNi20

Steel Garde:18CrNi20
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
18CrNi20S	STAS/SR	Romania
18CrNi20X	STAS/SR	Romania
18CrNi20XS	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	256～794	σb/MPa
Yield Strength	646	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	609～542	-
HRC	30	-

Physical Properties

Thermal expansion	34-43	e-6/K
Thermal conductivity	50-95	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9637-1600	째C
Density	4545-8956	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)
18CrNi20 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