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SAE-AISI 1078 Steel vs. S46910 Stainless Steel

Both SAE-AISI 1078 steel and S46910 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1078 steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
2.2 to 11
Fatigue Strength, MPa 270 to 350
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 440 to 470
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 730 to 780
680 to 2470
Tensile Strength: Yield (Proof), MPa 430 to 570
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.1
Embodied Energy, MJ/kg 18
55
Embodied Water, L/kg 45
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 90
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 860
510 to 4780
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 28
24 to 86
Strength to Weight: Bending, points 23 to 24
22 to 51
Thermal Shock Resistance, points 25 to 26
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.72 to 0.85
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 98.5 to 99
65 to 76
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2

Comparable Variants