XH70MBTЮБ Stainless Steels

XH70MBTЮБ - Specification & Application

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

Chemical composition(wt.%) of XH70MBTЮБ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 0.60
Mn - 0.50
P - 0.015
S - 0.012
Cr 16.00 19.00
Ni - remaining
Mo 4.00 6.00
Al 1.00 1.70
Ti 1.90 2.80
Fe - 5.00
W 2.00 3.50
Nb 0.50 1.30
B - 0.010
Ce - 0.02

XH70MBTЮБ - Detail

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

Mechanical properties of grade XH70MBTЮБ

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)
311 (≥) 852 (≥) 13 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade XH70MBTЮБ

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
637 (≥) 836 (≥) 23 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
387 116 219

Equivalent Grade

Equivalent Products

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