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SAE-AISI 1045 Steel vs. EN 1.0314 Steel

Both SAE-AISI 1045 steel and EN 1.0314 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1045 steel and the bottom bar is EN 1.0314 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 18
24 to 25
Fatigue Strength, MPa 220 to 370
140 to 220
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 51
78 to 86
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 410
200 to 250
Tensile Strength: Ultimate (UTS), MPa 620 to 680
320 to 400
Tensile Strength: Yield (Proof), MPa 330 to 580
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

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 18
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 93
68 to 87
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 900
95 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 24
11 to 14
Strength to Weight: Bending, points 21 to 22
13 to 15
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 20 to 22
10 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.43 to 0.5
0 to 0.030
Iron (Fe), % 98.5 to 99
99.365 to 99.78
Manganese (Mn), % 0.6 to 0.9
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants