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ASTM Grade HD Steel vs. S42300 Stainless Steel

Both ASTM grade HD steel and S42300 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
9.1
Fatigue Strength, MPa 140
440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 590
1100
Tensile Strength: Yield (Proof), MPa 270
850

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.2
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 29
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
93
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1840
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
39
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.3
6.8
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0 to 0.5
0.27 to 0.32
Chromium (Cr), % 26 to 30
11 to 12
Iron (Fe), % 58.4 to 70
82 to 85.1
Manganese (Mn), % 0 to 1.5
1.0 to 1.4
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.0
Nickel (Ni), % 4.0 to 7.0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3