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EN 1.3553 Steel vs. EN 1.6579 Steel

Both EN 1.3553 steel and EN 1.6579 steel are iron alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720
850 to 980

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 540
440
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.7
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.7
Embodied Energy, MJ/kg 130
22
Embodied Water, L/kg 96
56

Common Calculations

PREN (Pitting Resistance) 31
2.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
30 to 35
Strength to Weight: Bending, points 21
25 to 28
Thermal Diffusivity, mm2/s 6.4
11
Thermal Shock Resistance, points 21
25 to 29

Alloy Composition

Carbon (C), % 0.78 to 0.86
0.32 to 0.38
Chromium (Cr), % 3.9 to 4.3
1.4 to 1.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 80.7 to 83.7
94.2 to 96.1
Manganese (Mn), % 0 to 0.4
0.6 to 1.0
Molybdenum (Mo), % 4.7 to 5.2
0.15 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0