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EN 1.4110 Stainless Steel vs. SAE-AISI 8645 Steel

Both EN 1.4110 stainless steel and SAE-AISI 8645 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 EN 1.4110 stainless steel and the bottom bar is SAE-AISI 8645 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
12 to 23
Fatigue Strength, MPa 250 to 730
280 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 470 to 1030
380 to 400
Tensile Strength: Ultimate (UTS), MPa 770 to 1720
600 to 670
Tensile Strength: Yield (Proof), MPa 430 to 1330
390 to 560

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 33
20
Embodied Water, L/kg 110
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 180
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 4550
420 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 62
21 to 24
Strength to Weight: Bending, points 24 to 41
20 to 22
Thermal Diffusivity, mm2/s 8.1
10
Thermal Shock Resistance, points 27 to 60
18 to 20

Alloy Composition

Carbon (C), % 0.48 to 0.6
0.43 to 0.48
Chromium (Cr), % 13 to 15
0.4 to 0.6
Iron (Fe), % 81.4 to 86
96.5 to 97.7
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0.5 to 0.8
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0 to 0.15
0

Comparable Variants