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EN 1.8201 Steel vs. EN 1.7335 Steel

Both EN 1.8201 steel and EN 1.7335 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 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
21 to 22
Fatigue Strength, MPa 310
200 to 220
Impact Strength: V-Notched Charpy, J 38
31 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 390
310 to 330
Tensile Strength: Ultimate (UTS), MPa 630
500 to 520
Tensile Strength: Yield (Proof), MPa 450
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
430
Melting Completion (Liquidus), °C 1500
1470
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 36
21
Embodied Water, L/kg 59
52

Common Calculations

PREN (Pitting Resistance) 5.7
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 530
210 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0.080 to 0.18
Chromium (Cr), % 1.9 to 2.6
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 93.6 to 96.2
96.4 to 98.4
Manganese (Mn), % 0.1 to 0.6
0.4 to 1.0
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 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0