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SAE-AISI 1070 Steel vs. N08028 Stainless Steel

Both SAE-AISI 1070 steel and N08028 stainless steel are iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 1070 steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 13
45
Fatigue Strength, MPa 270 to 350
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 380 to 460
400
Tensile Strength: Ultimate (UTS), MPa 640 to 760
570
Tensile Strength: Yield (Proof), MPa 420 to 560
240

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.4
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 46
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 86
210
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 850
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
19
Strength to Weight: Bending, points 21 to 24
19
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 21 to 25
12

Alloy Composition

Carbon (C), % 0.65 to 0.75
0 to 0.030
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 98.3 to 98.8
29 to 40.4
Manganese (Mn), % 0.6 to 0.9
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
30 to 34
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030