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SAE-AISI 1008 Steel vs. EN 1.4859 Stainless Steel

Both SAE-AISI 1008 steel and EN 1.4859 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 93 to 100
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 33
23
Fatigue Strength, MPa 150 to 220
140
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 330 to 370
490
Tensile Strength: Yield (Proof), MPa 190 to 310
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 62
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 18
88
Embodied Water, L/kg 45
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
91
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 13
17
Strength to Weight: Bending, points 13 to 15
17
Thermal Diffusivity, mm2/s 17
3.4
Thermal Shock Resistance, points 10 to 12
11

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Iron (Fe), % 99.31 to 99.7
40.3 to 49
Manganese (Mn), % 0.3 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030