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S44700 Stainless Steel vs. ASTM Grade HE Steel

Both S44700 stainless steel and ASTM grade HE steel are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
10
Fatigue Strength, MPa 300
160
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 82
79
Tensile Strength: Ultimate (UTS), MPa 600
670
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.5
Embodied Energy, MJ/kg 49
50
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 42
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 480
240
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.010
0.2 to 0.5
Chromium (Cr), % 28 to 30
26 to 30
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 64.9 to 68.5
53.9 to 65.8
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
0 to 0.5
Nickel (Ni), % 0 to 0.15
8.0 to 11
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040