XH78T Stainless Steels

XH78T - Specification & Application

Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Chemical composition(wt.%) of XH78T grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.80
Mn - 0.70
P - 0.015
S - 0.012
Cr 19.00 22.00
Ni - remaining
Mo - -
Al - 0.15
Ti 0.15 0.35
Fe - 1.00

XH78T - Detail

Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Mechanical properties of grade XH78T

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
887 (≥) 746 (≥) 23 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical properties of grade XH78T

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
123 (≥) 612 (≥) 22 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
513 998 685

Equivalent Grade

Equivalent Products

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