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AISI 310 Stainless Steel vs. S20432 Stainless Steel

Both AISI 310 stainless steel and S20432 stainless steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310 stainless steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
45
Fatigue Strength, MPa 240 to 280
210
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 82
81
Shear Modulus, GPa 78
76
Shear Strength, MPa 420 to 470
400
Tensile Strength: Ultimate (UTS), MPa 600 to 710
580
Tensile Strength: Yield (Proof), MPa 260 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1040
900
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
38
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
21
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 14 to 17
13

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.080
Chromium (Cr), % 24 to 26
17 to 18
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 48.2 to 57
66.7 to 74
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Nickel (Ni), % 19 to 22
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030