XH28BMAБ Stainless Steels

XH28BMAБ - Specification & Application

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

Chemical composition(wt.%) of XH28BMAБ grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.10
Si - 0.60
Mn - 1.50
P - 0.030
S - 0.020
Cr 19.00 22.00
Ni 25.00 30.00
Mo 2.80 3.50
Al - -
Ti - -
Fe - -
W 4.80 6.00
Nb 0.70 1.30
N 0.15 0.30
B - 0.005

XH28BMAБ - Detail

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

Mechanical properties of grade XH28BMAБ

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)
967 (≥) 419 (≥) 23 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical properties of grade XH28BMAБ

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
387 (≥) 196 (≥) 11 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
995 123 995

Equivalent Grade

Equivalent Products

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