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20X12BHMΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X12BHMΦ

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GOST 20X12BHMΦ

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This page is mainly introduced the 20X12BHMΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X12BHMΦ,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:20X12BHMΦ
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Martensite
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.17	0.23
Si		0.60
Mn	0.50	0.90
P		0.030
S		0.025
Cr	10.50	12.50
Ni	0.50	0.90
Mo	0.50	0.70
W		0.20
Ti
V	0.15	0.30

Mechanical Properties

Tensile strength	006～785	σb/MPa
Yield Strength	631	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	832～860	-
HRC	30	-

Physical Properties

Thermal expansion	51-49	e-6/K
Thermal conductivity	59-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9393-0289	째C
Density	2892-5398	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)
20X12BHMΦ 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