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EN 1.8523 Steel vs. EN 1.6570 Steel

Both EN 1.8523 steel and EN 1.6570 steel are iron alloys. They have a very high 97% 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 1.8523 steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15
11 to 17
Fatigue Strength, MPa 530
500 to 660
Impact Strength: V-Notched Charpy, J 36
40 to 48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 1000
910 to 1130
Tensile Strength: Yield (Proof), MPa 800
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 480
440
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
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.7
Embodied Energy, MJ/kg 31
23
Embodied Water, L/kg 64
56

Common Calculations

PREN (Pitting Resistance) 6.4
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1700
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
32 to 40
Strength to Weight: Bending, points 28
27 to 31
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 29
27 to 33

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.28 to 0.35
Chromium (Cr), % 3.0 to 3.5
1.0 to 1.4
Iron (Fe), % 93.5 to 95.7
94 to 96.2
Manganese (Mn), % 0.4 to 0.7
0.6 to 1.0
Molybdenum (Mo), % 0.8 to 1.1
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0.15 to 0.25
0