MakeItFrom.com
Menu (ESC)

EN 1.4361 Stainless Steel vs. SAE-AISI 8660 Steel

Both EN 1.4361 stainless steel and SAE-AISI 8660 steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 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 1.4361 stainless steel and the bottom bar is SAE-AISI 8660 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 43
12
Fatigue Strength, MPa 220
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 440
390
Tensile Strength: Ultimate (UTS), MPa 630
660
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.6
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
73
Resilience: Unit (Modulus of Resilience), kJ/m3 160
800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.015
0.56 to 0.64
Chromium (Cr), % 16.5 to 18.5
0.4 to 0.6
Iron (Fe), % 58.7 to 65.8
96.4 to 97.6
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.2
0.15 to 0.25
Nickel (Ni), % 14 to 16
0.4 to 0.7
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 3.7 to 4.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040