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18CrNi20S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20S

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STAS/SR 18CrNi20S

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This page is mainly introduced the 18CrNi20S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNi20S

Steel Garde:18CrNi20S
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	673～499	σb/MPa
Yield Strength	923	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	861～112	-
HRC	30	-

Physical Properties

Thermal expansion	14-67	e-6/K
Thermal conductivity	22-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9901-9392	째C
Density	1249-4311	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)
18CrNi20S 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