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ASTM Grade HD Steel vs. S24000 Stainless Steel

Both ASTM grade HD steel and S24000 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
39
Fatigue Strength, MPa 140
370
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 590
770
Tensile Strength: Yield (Proof), MPa 270
430

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 45
39
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 29
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
260
Resilience: Unit (Modulus of Resilience), kJ/m3 180
470
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.080
Chromium (Cr), % 26 to 30
17 to 19
Iron (Fe), % 58.4 to 70
61.5 to 69
Manganese (Mn), % 0 to 1.5
11.5 to 14.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 4.0 to 7.0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030