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AISI 439 Stainless Steel vs. SAE-AISI 1035 Steel

Both AISI 439 stainless steel and SAE-AISI 1035 steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 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 AISI 439 stainless steel and the bottom bar is SAE-AISI 1035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
13 to 21
Fatigue Strength, MPa 170
210 to 340
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
40 to 45
Shear Modulus, GPa 77
73
Shear Strength, MPa 310
360 to 370
Tensile Strength: Ultimate (UTS), MPa 490
570 to 620
Tensile Strength: Yield (Proof), MPa 250
300 to 530

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 34
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250 to 740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
20 to 22
Strength to Weight: Bending, points 18
19 to 21
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 16
18 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0.32 to 0.38
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 77.1 to 82.8
98.6 to 99.08
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0.2 to 1.1
0