316L Stainless Steels to MIL-P-1144D

316L - Specification & Application

  • MIL-P-1144D - Pipe, corrosion-resistant, stainless steel, seamless or welded
  • MIL-T-8973 - Tubing, steel, corrosion and heat resistant, for aerospace vehicle hydraulic systems assembled by brazing

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

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

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.035
Cr 16.0 18.0
Ni 10.0 14.0
Mo 2.00 3.00
N - 0.10

316L - Detail

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

Mechanical properties of grade 316L 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)
552 (≥) 786 (≥) 32 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade 316L 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
221 (≥) 383 (≥) 23 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
521 471 449

Equivalent Products

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