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EN 1.0033 Steel vs. SAE-AISI 4340M Steel

Both EN 1.0033 steel and SAE-AISI 4340M steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.0033 steel and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 96
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 32
6.0
Fatigue Strength, MPa 120 to 140
690
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 200
1360
Tensile Strength: Ultimate (UTS), MPa 300 to 330
2340
Tensile Strength: Yield (Proof), MPa 150 to 200
1240

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
38
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 18
26
Embodied Water, L/kg 45
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 83
120
Resilience: Unit (Modulus of Resilience), kJ/m3 63 to 100
4120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 12
84
Strength to Weight: Bending, points 13 to 14
51
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 9.4 to 10
70

Alloy Composition

Carbon (C), % 0 to 0.11
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Iron (Fe), % 98.8 to 100
93.3 to 94.8
Manganese (Mn), % 0 to 0.7
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.045
0 to 0.012
Silicon (Si), % 0 to 0.35
1.5 to 1.8
Sulfur (S), % 0 to 0.045
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1