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S32101 Stainless Steel vs. ASTM Grade HE Steel

Both S32101 stainless steel and ASTM grade HE steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 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 S32101 stainless steel and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
10
Fatigue Strength, MPa 400
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 740
670
Tensile Strength: Yield (Proof), MPa 500
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 13
17

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 12
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 38
50
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
56
Resilience: Unit (Modulus of Resilience), kJ/m3 640
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.040
0.2 to 0.5
Chromium (Cr), % 21 to 22
26 to 30
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 67.3 to 73.3
53.9 to 65.8
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.8
0 to 0.5
Nickel (Ni), % 1.4 to 1.7
8.0 to 11
Nitrogen (N), % 0.2 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040