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EN 1.1151 Steel vs. EN 1.4423 Stainless Steel

Both EN 1.1151 steel and EN 1.4423 stainless steel are iron alloys. They have 78% 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 1.1151 steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 26
17
Fatigue Strength, MPa 180 to 240
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 330
520
Tensile Strength: Ultimate (UTS), MPa 460 to 520
850
Tensile Strength: Yield (Proof), MPa 240 to 340
630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
780
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 50
16
Thermal Expansion, µm/m-K 12
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
14
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 310
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
30
Strength to Weight: Bending, points 17 to 18
25
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 15 to 16
31

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.020
Chromium (Cr), % 0 to 0.4
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 97.7 to 99.43
73.8 to 80.5
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
2.3 to 2.8
Nickel (Ni), % 0 to 0.4
6.0 to 7.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.0030