316 Stainless Steels to MIL-P-1144D

316 - Specification & Application

  • MIL-P-1144D - Pipe, corrosion-resistant, stainless steel, seamless or welded
  • MIL-S-862B - Steel bar, corrosion resisting, and steel billet, corrosion resisting, reforging application

Pipe, corrosion-resistant, stainless steel, seamless or welded

Chemical composition(wt.%) of 316 grade: to MIL-P-1144D

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 MIL-P-1144D

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)
165 (≥) 325 (≥) 42 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade 316 MIL-P-1144D

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
177 (≥) 887 (≥) 32 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
389 924 848
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