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EN 1.4451 Stainless Steel vs. EN 1.8837 Steel

Both EN 1.4451 stainless steel and EN 1.8837 steel are iron alloys. They have 62% 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 1.4451 stainless steel and the bottom bar is EN 1.8837 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
19
Fatigue Strength, MPa 370
340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 750
630
Tensile Strength: Yield (Proof), MPa 540
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.6
Embodied Energy, MJ/kg 53
21
Embodied Water, L/kg 190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 710
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
96.6 to 99.98
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.2
Nickel (Ni), % 5.0 to 7.0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.12 to 0.22
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1