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AISI 429 Stainless Steel vs. SAE-AISI 1074 Steel

Both AISI 429 stainless steel and SAE-AISI 1074 steel are iron alloys. They have 84% 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 AISI 429 stainless steel and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11 to 14
Fatigue Strength, MPa 180
290 to 350
Poisson's Ratio 0.28
0.29
Reduction in Area, % 50
34 to 45
Shear Modulus, GPa 77
72
Shear Strength, MPa 300
440 to 490
Tensile Strength: Ultimate (UTS), MPa 480
740 to 820
Tensile Strength: Yield (Proof), MPa 260
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 810
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
50
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 170
550 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
26 to 29
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 17
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.12
0.7 to 0.8
Chromium (Cr), % 14 to 16
0
Iron (Fe), % 81.8 to 86
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
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