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XH78T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XH78T

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ГОСТ XH78T

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This page is mainly introduced the XH78T chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of XH78T,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
XH78T

Steel Garde:XH78T
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Russia COST standard deformation of high temperature alloy

Relevant products:

XH78T Sheet & Strip

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	918～654	σb/MPa
Yield Strength	413	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	338～304	-
HRC	30	-

Physical Properties

Thermal expansion	05-79	e-6/K
Thermal conductivity	09-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7927-0359	째C
Density	9954-0038	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)
XH78T 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