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SAE-AISI 1005 Steel vs. EN 1.4438 Stainless Steel

Both SAE-AISI 1005 steel and EN 1.4438 stainless steel are iron alloys. They have 62% 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 SAE-AISI 1005 steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
41
Fatigue Strength, MPa 190
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 210
420
Tensile Strength: Ultimate (UTS), MPa 330
620
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
22
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 18
60
Embodied Water, L/kg 45
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
200
Resilience: Unit (Modulus of Resilience), kJ/m3 180
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 10
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 0
17.5 to 19.5
Iron (Fe), % 99.5 to 100
57.3 to 66.5
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
13 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015