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S20432 Stainless Steel vs. ASTM A372 Grade D Steel

Both S20432 stainless steel and ASTM A372 grade D steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S20432 stainless steel and the bottom bar is ASTM A372 grade D steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17
Fatigue Strength, MPa 210
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
500
Tensile Strength: Ultimate (UTS), MPa 580
810
Tensile Strength: Yield (Proof), MPa 230
510

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 38
20
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.4 to 0.5
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 66.7 to 74
97.1 to 97.9
Manganese (Mn), % 3.0 to 5.0
1.4 to 1.8
Molybdenum (Mo), % 0
0.17 to 0.27
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010