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SAE-AISI 1065 Steel vs. S44700 Stainless Steel

Both SAE-AISI 1065 steel and S44700 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1065 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 230
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 14
23
Fatigue Strength, MPa 270 to 340
300
Poisson's Ratio 0.29
0.27
Reduction in Area, % 34 to 51
45
Shear Modulus, GPa 72
82
Shear Strength, MPa 430 to 470
380
Tensile Strength: Ultimate (UTS), MPa 710 to 780
600
Tensile Strength: Yield (Proof), MPa 430 to 550
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
120
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 28
21
Strength to Weight: Bending, points 23 to 24
20
Thermal Shock Resistance, points 25 to 27
19

Alloy Composition

Carbon (C), % 0.6 to 0.7
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 98.3 to 98.8
64.9 to 68.5
Manganese (Mn), % 0.6 to 0.9
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.050
0 to 0.020