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EN 1.8509 Steel vs. EN 1.3553 Steel

Both EN 1.8509 steel and EN 1.3553 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8509 steel and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 1130
720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
540
Melting Completion (Liquidus), °C 1450
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 39
24
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
24
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.6
8.5
Embodied Energy, MJ/kg 22
130
Embodied Water, L/kg 65
96

Common Calculations

PREN (Pitting Resistance) 2.6
31
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 10
6.4
Thermal Shock Resistance, points 33
21

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.78 to 0.86
Chromium (Cr), % 1.5 to 1.8
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.5 to 97.1
80.7 to 83.7
Manganese (Mn), % 0.4 to 0.7
0 to 0.4
Molybdenum (Mo), % 0.2 to 0.35
4.7 to 5.2
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.015
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0