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EN 1.1192 Steel vs. SAE-AISI 4340M Steel

Both EN 1.1192 steel and SAE-AISI 4340M steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.1192 steel and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 520 to 1810
2340

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
430
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
38
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
26
Embodied Water, L/kg 46
55

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 64
84
Strength to Weight: Bending, points 18 to 42
51
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 16 to 58
70

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.1 to 99.08
93.3 to 94.8
Manganese (Mn), % 0.5 to 0.8
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 0.025
0 to 0.012
Silicon (Si), % 0 to 0.3
1.5 to 1.8
Sulfur (S), % 0 to 0.025
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1