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25X18H10B2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X18H10B2

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GOST 25X18H10B2

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This page is mainly introduced the 25X18H10B2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25X18H10B2,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:25X18H10B2
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	0.21	0.28
Si	0.30	0.80
Mn		0.70
P		0.030
S		0.030
Cr	17.00	19.00
Ni	9.00	11.00
Mo		0.30
W	2.00	2.50

Mechanical Properties

Tensile strength	528～391	σb/MPa
Yield Strength	229	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	337～551	-
HRC	30	-

Physical Properties

Thermal expansion	35-61	e-6/K
Thermal conductivity	65-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3093-8489	째C
Density	7107-7732	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)
25X18H10B2 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