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EN 1.1203 Steel vs. SAE-AISI 1065 Steel

Both EN 1.1203 steel and SAE-AISI 1065 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1203 steel and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 15
11 to 14
Fatigue Strength, MPa 210 to 310
270 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 420 to 480
430 to 470
Tensile Strength: Ultimate (UTS), MPa 690 to 780
710 to 780
Tensile Strength: Yield (Proof), MPa 340 to 480
430 to 550

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 48
51
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 100
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 610
490 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
25 to 28
Strength to Weight: Bending, points 22 to 24
23 to 24
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 22 to 25
25 to 27

Alloy Composition

Carbon (C), % 0.52 to 0.6
0.6 to 0.7
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.1 to 98.9
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.050