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SAE-AISI 1008 Steel vs. EN 1.4877 Stainless Steel

Both SAE-AISI 1008 steel and EN 1.4877 stainless steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. 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 SAE-AISI 1008 steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 93 to 100
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 33
36
Fatigue Strength, MPa 150 to 220
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 220 to 230
420
Tensile Strength: Ultimate (UTS), MPa 330 to 370
630
Tensile Strength: Yield (Proof), MPa 190 to 310
200

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1150
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 62
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 18
89
Embodied Water, L/kg 45
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
180
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 13
22
Strength to Weight: Bending, points 13 to 15
20
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 10 to 12
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Iron (Fe), % 99.31 to 99.7
36.4 to 42.3
Manganese (Mn), % 0.3 to 0.5
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.010