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S44635 Stainless Steel vs. ASTM Grade HI Steel

Both S44635 stainless steel and ASTM grade HI steel are iron alloys. They have 84% 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 S44635 stainless steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
11
Fatigue Strength, MPa 390
150
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 710
550
Tensile Strength: Yield (Proof), MPa 580
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 610
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
4.1
Embodied Energy, MJ/kg 62
59
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 39
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
52
Resilience: Unit (Modulus of Resilience), kJ/m3 810
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.4
3.9
Thermal Shock Resistance, points 23
12

Alloy Composition

Carbon (C), % 0 to 0.025
0.2 to 0.5
Chromium (Cr), % 24.5 to 26
26 to 30
Iron (Fe), % 61.5 to 68.5
46.9 to 59.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.5
Nickel (Ni), % 3.5 to 4.5
14 to 18
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Titanium (Ti), % 0.2 to 0.8
0