MakeItFrom.com
Menu (ESC)

EN 1.4105 Stainless Steel vs. SAE-AISI 8642 Steel

Both EN 1.4105 stainless steel and SAE-AISI 8642 steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4105 stainless steel and the bottom bar is SAE-AISI 8642 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
370
Tensile Strength: Ultimate (UTS), MPa 530
580
Tensile Strength: Yield (Proof), MPa 290
380

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 6.7
10
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.4 to 0.45
Chromium (Cr), % 16 to 18
0.4 to 0.6
Iron (Fe), % 77.9 to 83.7
96.6 to 97.8
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0.2 to 0.6
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 1.5
0.15 to 0.35
Sulfur (S), % 0.15 to 0.35
0 to 0.040