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N08031 Stainless Steel vs. ASTM Grade HE Steel

Both N08031 stainless steel and ASTM grade HE steel are iron alloys. They have 71% of their average alloy composition in common. There are 29 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 N08031 stainless steel and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
10
Fatigue Strength, MPa 290
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 730
670
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
19
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
3.5
Embodied Energy, MJ/kg 96
50
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 52
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
56
Resilience: Unit (Modulus of Resilience), kJ/m3 230
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.1
3.6
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.015
0.2 to 0.5
Chromium (Cr), % 26 to 28
26 to 30
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
53.9 to 65.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.5
Nickel (Ni), % 30 to 32
8.0 to 11
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040