AISI 317LMN (S31726) Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus200GPa
Tensile Strength620MPa
Yield Strength270MPa
Brinell Hardness190HB
Maximum Service Temperature1020°C
Chemical Composition
C
0 to 0.030%
CR
17 to 20%
NI
13.5 to 17.5%
MO
4.0 to 5.0%
MN
0 to 2.0%
SI
0 to 0.75%
N
0.1 to 0.2%
P
0 to 0.045%
S
0 to 0.030%
FE
54.4 to 65.4%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
45 %
Fatigue Strength
250 MPa
Poisson's Ratio
0.28
Reduction in Area
56 %
Shear Modulus
79 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
620 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
190
Rockwell B Hardness
84
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
1020 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
14 W/m-K
Thermal Diffusivity
3.8 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
2.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.3 % IACS
Calculated
PREN (Pitting Resistance)
36
Resilience: Ultimate (Unit Rupture Work)
230 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
4.8 kg CO 2 /kg material
Embodied Energy
65 MJ/kg
Embodied Energy
65 MJ/kg 28 x 10 3 BTU/lb
Embodied Water
170 L/kg
Embodied Water
170 L/kg 20 gal/lb
Registered Designations & Aliases
317LMNAISI 317LMNAISI 317LMN (S31726) Stainless SteelS31726
Standards
ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels