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EN 1.0434 Steel vs. EN 1.4109 Stainless Steel

Both EN 1.0434 steel and EN 1.4109 stainless steel are iron alloys. They have 84% 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 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 28
19
Fatigue Strength, MPa 190 to 300
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 330
480
Tensile Strength: Ultimate (UTS), MPa 390 to 540
770
Tensile Strength: Yield (Proof), MPa 250 to 450
420

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
820
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 540
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
28
Strength to Weight: Bending, points 15 to 19
24
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 12 to 17
28

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.15 to 0.19
0.6 to 0.75
Chromium (Cr), % 0
14 to 16
Iron (Fe), % 98.8 to 99.18
80.7 to 85
Manganese (Mn), % 0.65 to 0.85
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015