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SAE-AISI 1330 Steel vs. S40920 Stainless Steel

Both SAE-AISI 1330 steel and S40920 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 SAE-AISI 1330 steel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 23
22
Fatigue Strength, MPa 210 to 380
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 330 to 430
270
Tensile Strength: Ultimate (UTS), MPa 520 to 710
430
Tensile Strength: Yield (Proof), MPa 290 to 610
190

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
710
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
6.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 48
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 100
78
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 990
97
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 25
15
Strength to Weight: Bending, points 18 to 23
16
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 17 to 23
15

Alloy Composition

Carbon (C), % 0.28 to 0.33
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Iron (Fe), % 97.3 to 98
85.1 to 89.4
Manganese (Mn), % 1.6 to 1.9
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5