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EN 1.1104 Steel vs. EN 1.4434 Stainless Steel

Both EN 1.1104 steel and EN 1.4434 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1104 steel and the bottom bar is EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
41
Fatigue Strength, MPa 210
270
Impact Strength: V-Notched Charpy, J 88
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 280
450
Tensile Strength: Ultimate (UTS), MPa 440
660
Tensile Strength: Yield (Proof), MPa 280
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.2
Embodied Energy, MJ/kg 20
57
Embodied Water, L/kg 49
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 200
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.024
0
Carbon (C), % 0 to 0.16
0 to 0.030
Chromium (Cr), % 0 to 0.3
16.5 to 19.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.6 to 99.38
59.2 to 69.9
Manganese (Mn), % 0.6 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.080
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
10.5 to 14
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.012
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0