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SAE-AISI 1045 Steel vs. S30601 Stainless Steel

Both SAE-AISI 1045 steel and S30601 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1045 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 18
37
Fatigue Strength, MPa 220 to 370
250
Poisson's Ratio 0.29
0.28
Reduction in Area, % 40 to 51
56
Shear Modulus, GPa 72
75
Shear Strength, MPa 380 to 410
450
Tensile Strength: Ultimate (UTS), MPa 620 to 680
660
Tensile Strength: Yield (Proof), MPa 330 to 580
300

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 400
950
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
20
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 18
55
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 93
200
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 900
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 24
24
Strength to Weight: Bending, points 21 to 22
22
Thermal Shock Resistance, points 20 to 22
16

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 98.5 to 99
56.9 to 60.5
Manganese (Mn), % 0.6 to 0.9
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
5.0 to 5.6
Sulfur (S), % 0 to 0.050
0 to 0.013