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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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ГОСТ 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.
12X18H12T

Steel Garde:12X18H12T
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Austenitic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	679～331	σb/MPa
Yield Strength	741	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	356～168	-
HRC	30	-

Physical Properties

Thermal expansion	56-87	e-6/K
Thermal conductivity	45-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2266-5752	째C
Density	4298-6875	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 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