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12X18H9T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9T

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ГОСТ 12X18H9T

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This page is mainly introduced the 12X18H9T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9T,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12X18H9T

Steel Garde:12X18H9T
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Austenitic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	786～439	σb/MPa
Yield Strength	352	σ 0.2 ≥/MPa
Elongation	59	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	212～362	-
HRC	30	-

Physical Properties

Thermal expansion	74-62	e-6/K
Thermal conductivity	43-76	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6542-6890	째C
Density	1803-2219	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)
12X18H9T Special Alloy	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