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EN 1.8201 Steel vs. EN 1.8527 Steel

Both EN 1.8201 steel and EN 1.8527 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 310
520
Impact Strength: V-Notched Charpy, J 38
39
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 390
550
Tensile Strength: Ultimate (UTS), MPa 630
900
Tensile Strength: Yield (Proof), MPa 450
800

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 450
490
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
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.7
Embodied Energy, MJ/kg 36
23
Embodied Water, L/kg 59
66

Common Calculations

PREN (Pitting Resistance) 5.7
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0.040 to 0.12
Chromium (Cr), % 1.9 to 2.6
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.2
93.2 to 95.1
Manganese (Mn), % 0.1 to 0.6
0.85 to 1.2
Molybdenum (Mo), % 0.050 to 0.3
0.4 to 0.6
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0