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EN 1.0402 Steel vs. EN 1.8945 Steel

Both EN 1.0402 steel and EN 1.8945 steel are iron alloys. They have a very high 99% of their average alloy composition in common. 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 1.0402 steel and the bottom bar is EN 1.8945 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
16
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 290
350
Tensile Strength: Ultimate (UTS), MPa 460
580
Tensile Strength: Yield (Proof), MPa 240
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 50
42
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
82
Resilience: Unit (Modulus of Resilience), kJ/m3 150
410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.15
Chromium (Cr), % 0 to 0.4
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 97.7 to 99.43
95.1 to 99.5
Manganese (Mn), % 0.4 to 0.7
0 to 1.1
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.7
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.045
0.050 to 0.16
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.045
0 to 0.040