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S15500 Stainless Steel vs. SAE-AISI 1065 Steel

Both S15500 stainless steel and SAE-AISI 1065 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 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8 to 16
11 to 14
Fatigue Strength, MPa 350 to 650
270 to 340
Poisson's Ratio 0.28
0.29
Reduction in Area, % 17 to 40
34 to 51
Shear Modulus, GPa 75
72
Shear Strength, MPa 540 to 870
430 to 470
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
710 to 780
Tensile Strength: Yield (Proof), MPa 590 to 1310
430 to 550

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
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

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
19
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
490 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
25 to 28
Strength to Weight: Bending, points 26 to 37
23 to 24
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 30 to 50
25 to 27

Alloy Composition

Carbon (C), % 0 to 0.070
0.6 to 0.7
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
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