B 92 9990A Stainless Steels to B 92/B 92M (2011)

B 92 9990A - Specification & Application

  • B 92/B 92M (2011) - Unalloyed Magnesium Ingot and Stick For Remelting

Unalloyed Magnesium Ingot and Stick For Remelting

Chemical composition(wt.%) of B 92 9990A grade: to B 92/B 92M (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08 0.15
Si - 0.75
Mn 1.00 2.00
P - -
S - 0.03
Ni 8.50 10.50
Cr 27.00 31.00
Al - -
Cu - 0.50
Ti - -
Fe - -
N - -
Mo - 0.50

B 92 9990A - Detail

Unalloyed Magnesium Ingot and Stick For Remelting

Mechanical properties of grade B 92 9990A B 92/B 92M (2011)

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)
427 (≥) 219 (≥) 14 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade B 92 9990A B 92/B 92M (2011)

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
477 (≥) 279 (≥) 24 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
276 975 851

Equivalent Products

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