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EN 1.8523 Steel vs. EN 1.7336 Steel

Both EN 1.8523 steel and EN 1.7336 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 1.8523 steel and the bottom bar is EN 1.7336 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15
22
Fatigue Strength, MPa 530
240 to 310
Impact Strength: V-Notched Charpy, J 36
39 to 46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 610
370
Tensile Strength: Ultimate (UTS), MPa 1000
590
Tensile Strength: Yield (Proof), MPa 800
340 to 440

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 480
430
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 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 64
53

Common Calculations

PREN (Pitting Resistance) 6.4
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1700
310 to 510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
21
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 29
17

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.17
Chromium (Cr), % 3.0 to 3.5
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 93.5 to 95.7
95.6 to 97.7
Manganese (Mn), % 0.4 to 0.7
0.4 to 0.65
Molybdenum (Mo), % 0.8 to 1.1
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.4
0.5 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.0050
Vanadium (V), % 0.15 to 0.25
0