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S32003 Stainless Steel vs. ASTM Grade HT Steel

Both S32003 stainless steel and ASTM grade HT steel are iron alloys. They have 67% 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 S32003 stainless steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
4.6
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 730
500
Tensile Strength: Yield (Proof), MPa 510
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
400
Maximum Temperature: Mechanical, °C 1010
1010
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.4
Embodied Energy, MJ/kg 42
76
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 29
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
19
Resilience: Unit (Modulus of Resilience), kJ/m3 660
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 19.5 to 22.5
15 to 19
Iron (Fe), % 68.2 to 75.9
38.2 to 51.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.5
Nickel (Ni), % 3.0 to 4.0
33 to 37
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.040