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12X18H9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9

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ГОСТ 12X18H9

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This page is mainly introduced the 12X18H9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12X18H9

Steel Garde:12X18H9
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Austenitic

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
12X18H9T	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	625～186	σb/MPa
Yield Strength	556	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	875～735	-
HRC	30	-

Physical Properties

Thermal expansion	34-12	e-6/K
Thermal conductivity	39-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3614-3863	째C
Density	9257-4685	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)
12X18H9 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