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25X20H9B2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X20H9B2M

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GOST 25X20H9B2M

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This page is mainly introduced the 25X20H9B2M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X20H9B2M,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:25X20H9B2M
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	0.23	0.30
Si	1.00	1.60
Mn	1.00	1.60
P		0.030
S		0.030
Cr	19.00	21.00
Ni	8.00	10.00
Mo		0.30

Mechanical Properties

Tensile strength	036～145	σb/MPa
Yield Strength	602	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	121～143	-
HRC	30	-

Physical Properties

Thermal expansion	25-78	e-6/K
Thermal conductivity	98-22	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4835-6779	째C
Density	6965-8522	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)
25X20H9B2M 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