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EN 1.0456 Steel vs. EN 1.3955 Stainless Steel

Both EN 1.0456 steel and EN 1.3955 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.0456 steel and the bottom bar is EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24 to 26
23
Fatigue Strength, MPa 210 to 220
150
Impact Strength: V-Notched Charpy, J 38 to 45
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 420 to 450
520
Tensile Strength: Yield (Proof), MPa 290 to 300
220

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
930
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.2
Embodied Energy, MJ/kg 20
45
Embodied Water, L/kg 49
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 99
95
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 230
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
18
Strength to Weight: Bending, points 16 to 17
18
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 13 to 14
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.2
0 to 0.15
Chromium (Cr), % 0 to 0.3
16.5 to 18.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.7 to 99.48
65.5 to 73.5
Manganese (Mn), % 0.5 to 1.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.75
Nickel (Ni), % 0 to 0.3
10 to 12
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0