A 831 S38660 Stainless Steels to A 831/A 831M

A 831 S38660 - Specification & Application

  • A 831/A 831M - Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

Chemical composition(wt.%) of A 831 S38660 grade: to A 831/A 831M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.03
Cr 11.50 13.50
Ni 14.00 16.00

A 831 S38660 - Detail

Austenitic and Martensitic Stainless Steel Bars, Billets, and Forgings for Liquid Metal Cooled Reactor Core Components

                                                              Standard Withdrawn

Mechanical properties of grade A 831 S38660 A 831/A 831M

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)
514 (≥) 477 (≥) 14 13 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical properties of grade A 831 S38660 A 831/A 831M

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
866 (≥) 285 (≥) 43 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
145 355 759

Equivalent Products

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