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ASTM Grade HE Steel vs. S44330 Stainless Steel

Both ASTM grade HE steel and S44330 stainless steel are iron alloys. They have 82% 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 ASTM grade HE steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 10
25
Fatigue Strength, MPa 160
160
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 670
440
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 50
40
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 29
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
91
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 3.6
5.7
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.025
Chromium (Cr), % 26 to 30
20 to 23
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 53.9 to 65.8
72.5 to 79.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.8