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80X20HC chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 80X20HC

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GOST 80X20HC

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This page is mainly introduced the 80X20HC chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 80X20HC,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Steel Garde:80X20HC
Type:Stainless Steels
Country:Russia
Standard:GOST
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.70	0.80
Si	1.25	1.75
Mn	0.40	0.70
P		0.035
S		0.030
Cr	19.00	21.00
Ni
Mo	1.40	1.80

Mechanical Properties

Tensile strength	354～492	σb/MPa
Yield Strength	103	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	643～589	-
HRC	30	-

Physical Properties

Thermal expansion	57-83	e-6/K
Thermal conductivity	25-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2557-9785	째C
Density	4638-4973	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)
80X20HC Stainless Steels	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