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SAE-AISI 1064 Steel vs. S35315 Stainless Steel

Both SAE-AISI 1064 steel and S35315 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 SAE-AISI 1064 steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 13
46
Fatigue Strength, MPa 300
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 430 to 440
520
Tensile Strength: Ultimate (UTS), MPa 720 to 730
740
Tensile Strength: Yield (Proof), MPa 470 to 480
300

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.7
Embodied Energy, MJ/kg 19
81
Embodied Water, L/kg 46
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 81
270
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 630
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 25
17

Alloy Composition

Carbon (C), % 0.6 to 0.7
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Iron (Fe), % 98.4 to 98.9
33.6 to 40.6
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.030