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EN 1.7335 Steel vs. EN 1.8523 Steel

Both EN 1.7335 steel and EN 1.8523 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 1.7335 steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 22
15
Fatigue Strength, MPa 200 to 220
530
Impact Strength: V-Notched Charpy, J 31 to 35
36
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 310 to 330
610
Tensile Strength: Ultimate (UTS), MPa 500 to 520
1000
Tensile Strength: Yield (Proof), MPa 280 to 310
800

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
480
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
4.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 52
64

Common Calculations

PREN (Pitting Resistance) 2.7
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 97
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 260
1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 15
29

Alloy Composition

Carbon (C), % 0.080 to 0.18
0.35 to 0.45
Chromium (Cr), % 0.7 to 1.2
3.0 to 3.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.4
93.5 to 95.7
Manganese (Mn), % 0.4 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0.4 to 0.6
0.8 to 1.1
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25