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SAE-AISI 1074 Steel vs. AISI 430 Stainless Steel

Both SAE-AISI 1074 steel and AISI 430 stainless steel are iron alloys. They have 82% 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 SAE-AISI 1074 steel and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
24
Fatigue Strength, MPa 290 to 350
180
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 45
51
Shear Modulus, GPa 72
77
Shear Strength, MPa 440 to 490
320
Tensile Strength: Ultimate (UTS), MPa 740 to 820
500
Tensile Strength: Yield (Proof), MPa 450 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 860
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
18
Strength to Weight: Bending, points 23 to 25
18
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 24 to 26
18

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.12
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.3 to 98.8
79.1 to 84
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030