XH50BMTKΦЮ(ЭП57) Stainless Steels

XH50BMTKΦЮ(ЭП57) - Specification & Application

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

Chemical composition(wt.%) of XH50BMTKΦЮ(ЭП57) grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.14
Si - 0.50
Mn - 0.50
P - 0.015
S - 0.010
Cr 9.00 12.00
Ni - remaining
Mo 4.00 6.00
Al 3.70 4.70
Ti 2.00 2.80
Fe - 5.00
Co 14.00 16.00
W 5.00 7.00
V 0.20 0.80
B - 0.020

XH50BMTKΦЮ(ЭП57) - Detail

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

Mechanical properties of grade XH50BMTKΦЮ(ЭП57)

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)
614 (≥) 648 (≥) 44 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical properties of grade XH50BMTKΦЮ(ЭП57)

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
944 (≥) 293 (≥) 14 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 423
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
427 345 395

Equivalent Products

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