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SAE-AISI 1090 Steel vs. EN 1.4057 Stainless Steel

Both SAE-AISI 1090 steel and EN 1.4057 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
11 to 17
Fatigue Strength, MPa 320 to 380
320 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 470 to 570
520 to 580
Tensile Strength: Ultimate (UTS), MPa 790 to 950
840 to 980
Tensile Strength: Yield (Proof), MPa 520 to 610
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
700 to 1610
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 34
30 to 35
Strength to Weight: Bending, points 24 to 27
26 to 28
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 25 to 31
30 to 35

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.12 to 0.22
Chromium (Cr), % 0
15 to 17
Iron (Fe), % 98 to 98.6
77.7 to 83.4
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Nickel (Ni), % 0
1.5 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015

Comparable Variants