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SAE-AISI 4130 Steel vs. S32053 Stainless Steel

Both SAE-AISI 4130 steel and S32053 stainless steel are iron alloys. They have 47% 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 4130 steel and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 300
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 13 to 26
46
Fatigue Strength, MPa 320 to 660
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 340 to 640
510
Tensile Strength: Ultimate (UTS), MPa 530 to 1040
730
Tensile Strength: Yield (Proof), MPa 440 to 980
330

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
6.1
Embodied Energy, MJ/kg 20
83
Embodied Water, L/kg 50
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 180
270
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 2550
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 37
25
Strength to Weight: Bending, points 19 to 29
22
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 16 to 31
16

Alloy Composition

Carbon (C), % 0.28 to 0.33
0 to 0.030
Chromium (Cr), % 0.8 to 1.1
22 to 24
Iron (Fe), % 97.3 to 98.2
41.7 to 48.8
Manganese (Mn), % 0.4 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
5.0 to 6.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010