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AISI 347 Stainless Steel vs. S32803 Stainless Steel

Both AISI 347 stainless steel and S32803 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 347 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34 to 46
18
Fatigue Strength, MPa 220 to 270
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 430 to 460
420
Tensile Strength: Ultimate (UTS), MPa 610 to 690
680
Tensile Strength: Yield (Proof), MPa 240 to 350
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
510
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.7
Embodied Energy, MJ/kg 52
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 18
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 4.3
4.4
Thermal Shock Resistance, points 13 to 15
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 17 to 19
28 to 29
Iron (Fe), % 64.1 to 74
62.9 to 67.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 9.0 to 13
3.0 to 4.0
Niobium (Nb), % 0 to 1.0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035