A 771 S38660 Stainless Steels to A 771/A 771M (1995)

A 771 S38660 - Specification & Application

  • A 771/A 771M (1995) - Seamless Austenitic and Martensitic Stainless Steel Tubing for Liquid Metal-Cooled Reactor Core Components

Seamless Austenitic and Martensitic Stainless Steel Tubing for Liquid Metal-Cooled Reactor Core Components

Chemical composition(wt.%) of A 771 S38660 grade: to A 771/A 771M (1995)

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 771 S38660 - Detail

Seamless Austenitic and Martensitic Stainless Steel Tubing for Liquid Metal-Cooled Reactor Core Components
                                                              Standard Withdrawn

Mechanical properties of grade A 771 S38660 A 771/A 771M (1995)

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)
293 (≥) 495 (≥) 12 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade A 771 S38660 A 771/A 771M (1995)

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
671 (≥) 918 (≥) 13 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
753 477 356

Equivalent Products

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