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S64512 Stainless Steel vs. SAE-AISI 1039 Steel

Both S64512 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
14 to 18
Fatigue Strength, MPa 540
230 to 370
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34
40 to 45
Shear Modulus, GPa 76
73
Shear Strength, MPa 700
380 to 420
Tensile Strength: Ultimate (UTS), MPa 1140
610 to 690
Tensile Strength: Yield (Proof), MPa 890
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
22 to 24
Strength to Weight: Bending, points 31
20 to 22
Thermal Diffusivity, mm2/s 7.5
14
Thermal Shock Resistance, points 42
19 to 22

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.37 to 0.44
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 80.6 to 84.7
98.5 to 98.9
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.025
0 to 0.050
Vanadium (V), % 0.25 to 0.4
0