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SAE-AISI 1030 Steel vs. N08031 Stainless Steel

Both SAE-AISI 1030 steel and N08031 stainless steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1030 steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 14 to 22
45
Fatigue Strength, MPa 210 to 320
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 330 to 360
510
Tensile Strength: Ultimate (UTS), MPa 530 to 590
730
Tensile Strength: Yield (Proof), MPa 300 to 490
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
39
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
7.1
Embodied Energy, MJ/kg 18
96
Embodied Water, L/kg 46
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 650
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 21
25
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 17 to 19
14

Alloy Composition

Carbon (C), % 0.28 to 0.34
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 98.7 to 99.12
29 to 36.9
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.010