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S32803 Stainless Steel vs. AISI 317LM Stainless Steel

Both S32803 stainless steel and AISI 317LM stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32803 stainless steel and the bottom bar is AISI 317LM stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 18
46
Fatigue Strength, MPa 350
210
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 86
82
Shear Modulus, GPa 81
79
Shear Strength, MPa 420
410
Tensile Strength: Ultimate (UTS), MPa 680
590
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 1100
300
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.7
4.8
Embodied Energy, MJ/kg 53
65
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 36
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 760
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 4.4
3.8
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 28 to 29
18 to 20
Iron (Fe), % 62.9 to 67.1
54.4 to 64.5
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
4.0 to 5.0
Nickel (Ni), % 3.0 to 4.0
13.5 to 17.5
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.55
0 to 0.75
Sulfur (S), % 0 to 0.0035
0 to 0.030