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S15500 Stainless Steel vs. SAE-AISI 1043 Steel

Both S15500 stainless steel and SAE-AISI 1043 steel are iron alloys. They have 76% 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 S15500 stainless steel and the bottom bar is SAE-AISI 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
13 to 18
Fatigue Strength, MPa 350 to 650
230 to 390
Poisson's Ratio 0.28
0.29
Reduction in Area, % 17 to 40
40 to 51
Shear Modulus, GPa 75
73
Shear Strength, MPa 540 to 870
400 to 430
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
650 to 710
Tensile Strength: Yield (Proof), MPa 590 to 1310
350 to 600

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
320 to 980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
23 to 25
Strength to Weight: Bending, points 26 to 37
21 to 22
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 30 to 50
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.070
0.4 to 0.47
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050