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SAE-AISI 1090 Steel vs. EN 1.0234 Steel

Both SAE-AISI 1090 steel and EN 1.0234 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 280
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
12 to 29
Fatigue Strength, MPa 320 to 380
170 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 28 to 45
64 to 78
Shear Modulus, GPa 72
73
Shear Strength, MPa 470 to 570
260 to 300
Tensile Strength: Ultimate (UTS), MPa 790 to 950
350 to 480
Tensile Strength: Yield (Proof), MPa 520 to 610
220 to 410

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
130 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 34
12 to 17
Strength to Weight: Bending, points 24 to 27
14 to 17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 25 to 31
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.85 to 1.0
0.13 to 0.17
Iron (Fe), % 98 to 98.6
99.02 to 99.5
Manganese (Mn), % 0.6 to 0.9
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants