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EN 1.4941 Stainless Steel vs. EN 1.5450 Steel

Both EN 1.4941 stainless steel and EN 1.5450 steel are iron alloys. They have 70% 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 1.4941 stainless steel and the bottom bar is EN 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
19
Fatigue Strength, MPa 180
310
Impact Strength: V-Notched Charpy, J 98
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
380
Tensile Strength: Ultimate (UTS), MPa 590
620
Tensile Strength: Yield (Proof), MPa 210
460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Boron (B), % 0.0015 to 0.0050
0.0020 to 0.0060
Carbon (C), % 0.040 to 0.080
0.060 to 0.1
Chromium (Cr), % 17 to 19
0 to 0.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.1 to 73.6
97.6 to 98.8
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.4 to 0.8
0 to 0.060