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12X21H5T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X21H5T

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12X21H5T

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This page is mainly introduced the 12X21H5T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X21H5T,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12X21H5T

Steel Garde:12X21H5T
Type:Special Alloy
Country:
Application:Austenitic - Martensitic steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	620～017	σb/MPa
Yield Strength	933	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	425～980	-
HRC	30	-

Physical Properties

Thermal expansion	47-31	e-6/K
Thermal conductivity	88-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6055-3169	째C
Density	3155-7306	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)
12X21H5T 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