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EN 1.8893 Steel vs. EN 1.8912 Steel

Both EN 1.8893 steel and EN 1.8912 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8893 steel and the bottom bar is EN 1.8912 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 470
290
Impact Strength: V-Notched Charpy, J 38
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 510
380
Tensile Strength: Ultimate (UTS), MPa 830
600
Tensile Strength: Yield (Proof), MPa 720
410

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
410
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 40
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 23
24
Embodied Water, L/kg 51
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 24
18

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.015
Carbon (C), % 0 to 0.2
0 to 0.22
Chromium (Cr), % 0 to 0.3
0 to 0.35
Copper (Cu), % 0 to 0.2
0 to 0.6
Iron (Fe), % 95.6 to 98
95 to 99.05
Manganese (Mn), % 1.4 to 1.7
1.0 to 1.8
Molybdenum (Mo), % 0.3 to 0.45
0 to 0.13
Nickel (Ni), % 0.3 to 0.7
0 to 0.85
Niobium (Nb), % 0 to 0.050
0 to 0.060
Nitrogen (N), % 0 to 0.020
0 to 0.027
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0 to 0.050
0 to 0.060
Vanadium (V), % 0 to 0.12
0 to 0.22