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EN 1.0434 Steel vs. EN 1.5508 Steel

Both EN 1.0434 steel and EN 1.5508 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0434 steel and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 160
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 28
11 to 20
Fatigue Strength, MPa 190 to 300
210 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 64 to 74
62 to 74
Shear Modulus, GPa 73
73
Shear Strength, MPa 280 to 330
300 to 360
Tensile Strength: Ultimate (UTS), MPa 390 to 540
420 to 1460
Tensile Strength: Yield (Proof), MPa 250 to 450
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 52
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 140
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 540
260 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
15 to 52
Strength to Weight: Bending, points 15 to 19
16 to 36
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 17
12 to 43

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.15 to 0.19
0.2 to 0.25
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.8 to 99.18
97.9 to 99.199
Manganese (Mn), % 0.65 to 0.85
0.6 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants