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18X12BMBΦP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18X12BMBΦP

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GOST 18X12BMBΦP

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This page is mainly introduced the 18X12BMBΦP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18X12BMBΦP,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:18X12BMBΦP
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Martensite-Ferrite
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.15	0.22
Si		0.50
Mn		0.50
P		0.030
S		0.025
Cr	11.00	13.00
Ni	0.40	0.60
Mo	0.50	0.70
W	0.40	0.70
Ti		0.20
V	0.15	0.30
B		0.0030

Mechanical Properties

Tensile strength	597～148	σb/MPa
Yield Strength	839	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	641～676	-
HRC	30	-

Physical Properties

Thermal expansion	97-26	e-6/K
Thermal conductivity	22-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6549-7798	째C
Density	1588-5125	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)
18X12BMBΦP 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