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S32654 Stainless Steel vs. AISI 312 Stainless Steel

Both S32654 stainless steel and AISI 312 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% 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 S32654 stainless steel and the bottom bar is AISI 312 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 450
370
Poisson's Ratio 0.28
0.27
Reduction in Area, % 46
56
Shear Modulus, GPa 82
80
Shear Strength, MPa 590
510
Tensile Strength: Ultimate (UTS), MPa 850
780
Tensile Strength: Yield (Proof), MPa 490
510

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
3.4
Embodied Energy, MJ/kg 87
48
Embodied Water, L/kg 220
170

Common Calculations

PREN (Pitting Resistance) 57
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 2.9
4.3
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 25
24 to 26
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
62.2 to 69.2
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
1.2 to 2.0
Nickel (Ni), % 21 to 23
5.5 to 6.5
Nitrogen (N), % 0.45 to 0.55
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030