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EN 1.8201 Steel vs. EN 1.8902 Steel

Both EN 1.8201 steel and EN 1.8902 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 1.8201 steel and the bottom bar is EN 1.8902 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
21
Fatigue Strength, MPa 310
290
Impact Strength: V-Notched Charpy, J 38
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 390
380
Tensile Strength: Ultimate (UTS), MPa 630
600
Tensile Strength: Yield (Proof), MPa 450
420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
410
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.6
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.8
Embodied Energy, MJ/kg 36
24
Embodied Water, L/kg 59
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 530
470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0 to 0.030
0 to 0.015
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.22
Chromium (Cr), % 1.9 to 2.6
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 93.6 to 96.2
95 to 99.05
Manganese (Mn), % 0.1 to 0.6
1.0 to 1.8
Molybdenum (Mo), % 0.050 to 0.3
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0.020 to 0.080
0 to 0.060
Nitrogen (N), % 0 to 0.015
0 to 0.027
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.65
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.0050 to 0.060
0 to 0.060
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0 to 0.22