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SAE-AISI 1017 Steel vs. EN 1.4421 Stainless Steel

Both SAE-AISI 1017 steel and EN 1.4421 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1017 steel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 30
11 to 17
Fatigue Strength, MPa 170 to 270
380 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 420 to 460
880 to 1100
Tensile Strength: Yield (Proof), MPa 220 to 390
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
16
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
36
Embodied Water, L/kg 45
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 400
960 to 2270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
31 to 39
Strength to Weight: Bending, points 16 to 17
26 to 30
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 13 to 14
31 to 39

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.060
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 99.11 to 99.55
74.4 to 80.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
4.0 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.020

Comparable Variants