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EN 1.8872 Steel vs. EN 1.4451 Stainless Steel

Both EN 1.8872 steel and EN 1.4451 stainless steel are iron alloys. They have 63% 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 1.8872 steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
25
Fatigue Strength, MPa 310
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 610
750
Tensile Strength: Yield (Proof), MPa 450
540

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
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 39
17
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.8
Embodied Energy, MJ/kg 22
53
Embodied Water, L/kg 50
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 530
710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 10
4.5
Thermal Shock Resistance, points 18
16

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0 to 0.5
25 to 27
Copper (Cu), % 0 to 0.3
2.8 to 3.5
Iron (Fe), % 95.1 to 100
56.2 to 64.6
Manganese (Mn), % 0 to 1.7
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 0 to 1.0
5.0 to 7.0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0.12 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0080
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.050
0