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S32003 Stainless Steel vs. ASTM A372 Grade C Steel

Both S32003 stainless steel and ASTM A372 grade C steel are iron alloys. They have 73% 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 S32003 stainless steel and the bottom bar is ASTM A372 grade C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
17
Fatigue Strength, MPa 370
290
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 480
440
Tensile Strength: Ultimate (UTS), MPa 730
710
Tensile Strength: Yield (Proof), MPa 510
430

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 660
500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.48
Chromium (Cr), % 19.5 to 22.5
0
Iron (Fe), % 68.2 to 75.9
97.5 to 99.85
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 3.0 to 4.0
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.010