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SAE-AISI 4028 Steel vs. EN 1.0236 Steel

Both SAE-AISI 4028 steel and EN 1.0236 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 4028 steel and the bottom bar is EN 1.0236 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 23
23
Fatigue Strength, MPa 180 to 330
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 380
310
Tensile Strength: Ultimate (UTS), MPa 490 to 630
490
Tensile Strength: Yield (Proof), MPa 260 to 520
330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 95
99
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 720
290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 22
17
Strength to Weight: Bending, points 18 to 21
18
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16 to 20
16

Alloy Composition

Carbon (C), % 0.25 to 0.3
0 to 0.21
Iron (Fe), % 98.1 to 98.7
97.9 to 100
Manganese (Mn), % 0.7 to 0.9
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0.035 to 0.050
0 to 0.035