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EN 1.8912 Steel vs. EN 1.8901 Steel

Both EN 1.8912 steel and EN 1.8901 steel are iron alloys. Both are furnished in the normalized condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.8912 steel and the bottom bar is EN 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 290
340
Impact Strength: V-Notched Charpy, J 58
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
390
Tensile Strength: Ultimate (UTS), MPa 600
630
Tensile Strength: Yield (Proof), MPa 410
490

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 46
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0 to 0.015
0 to 0.015
Carbon (C), % 0 to 0.22
0 to 0.22
Chromium (Cr), % 0 to 0.35
0 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.6
Iron (Fe), % 95 to 99.05
95 to 99.05
Manganese (Mn), % 1.0 to 1.8
1.0 to 1.8
Molybdenum (Mo), % 0 to 0.13
0 to 0.13
Nickel (Ni), % 0 to 0.85
0 to 0.85
Niobium (Nb), % 0 to 0.060
0 to 0.060
Nitrogen (N), % 0 to 0.027
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.65
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0 to 0.060
Vanadium (V), % 0 to 0.22
0 to 0.22