316 Stainless Steels to AMS-QQ-S-763

316 - Specification & Application

  • AMS-QQ-S-763 - Steel corrosion-resistant (18-8) bars, wire and forging stock (aircraft quality)
  • SAE J 467 - Special purpose alloys (superalloys)
  • AMS-S-7720 - Steel corrosion-resistant bars, wire and forging stock (aircraft quality)

Austenitic Chromium Nickel Heat Resisting Steel

Chemical composition(wt.%) of 316 grade: to AMS-QQ-S-763

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 16.0 18.0
Ni 10.0 14.0
Mo 2.00 3.00

316 - Detail

Stainless and heat resisting steels

Austenitic Chromium Nickel Heat Resisting Steel

316

Mechanical properties of grade 316 AMS-QQ-S-763

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)
243 (≥) 372 (≥) 22 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade 316 AMS-QQ-S-763

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
763 (≥) 448 (≥) 43 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 441
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
464 154 325
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