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EN 1.0434 Steel vs. EN 1.8509 Steel

Both EN 1.0434 steel and EN 1.8509 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.0434 steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 160
340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 28
11
Fatigue Strength, MPa 190 to 300
580
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280 to 330
680
Tensile Strength: Ultimate (UTS), MPa 390 to 540
1130
Tensile Strength: Yield (Proof), MPa 250 to 450
940

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
22
Embodied Water, L/kg 46
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 540
2340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
40
Strength to Weight: Bending, points 15 to 19
31
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 12 to 17
33

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0.8 to 1.2
Carbon (C), % 0.15 to 0.19
0.38 to 0.45
Chromium (Cr), % 0
1.5 to 1.8
Iron (Fe), % 98.8 to 99.18
95.5 to 97.1
Manganese (Mn), % 0.65 to 0.85
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035