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SAE-AISI 1524 Steel vs. AISI 302 Stainless Steel

Both SAE-AISI 1524 steel and AISI 302 stainless steel are iron alloys. They have 73% of their average alloy composition in common. 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 1524 steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 22
4.5 to 46
Fatigue Strength, MPa 230 to 340
210 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 360 to 390
400 to 830
Tensile Strength: Ultimate (UTS), MPa 570 to 650
580 to 1430
Tensile Strength: Yield (Proof), MPa 320 to 540
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
710
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 48
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
140 to 3070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 23
21 to 51
Strength to Weight: Bending, points 19 to 21
20 to 36
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 18 to 21
12 to 31

Alloy Composition

Carbon (C), % 0.19 to 0.25
0 to 0.15
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 98 to 98.5
67.9 to 75
Manganese (Mn), % 1.4 to 1.7
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030