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EN 1.8872 Steel vs. EN 1.4634 Stainless Steel

Both EN 1.8872 steel and EN 1.4634 stainless steel are iron alloys. They have 80% 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 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
21
Fatigue Strength, MPa 310
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 380
340
Tensile Strength: Ultimate (UTS), MPa 610
540
Tensile Strength: Yield (Proof), MPa 450
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 22
42
Embodied Water, L/kg 50
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 530
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 10
5.8
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0 to 0.5
17.5 to 18.5
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 95.1 to 100
74.9 to 81.8
Manganese (Mn), % 0 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 0.5
Niobium (Nb), % 0 to 0.050
0.3 to 1.0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.5
0.2 to 1.5
Sulfur (S), % 0 to 0.0080
0 to 0.050
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.050
0