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12X18H12T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H12T

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GOST 12X18H12T

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This page is mainly introduced the 12X18H12T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H12T,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:12X18H12T
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Austenite
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si		0.80
Mn		2.00
P		0.035
S		0.020
Cr	17.00	19.00
Ni	11.00	13.00
Mo		0.30
W		0.20
Ti	5×C	0.70

Mechanical Properties

Tensile strength	132～488	σb/MPa
Yield Strength	422	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	000～885	-
HRC	30	-

Physical Properties

Thermal expansion	13-18	e-6/K
Thermal conductivity	13-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3866-5865	째C
Density	0902-1899	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)
12X18H12T 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