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EN 1.4028 Stainless Steel vs. EN 1.8881 Steel

Both EN 1.4028 stainless steel and EN 1.8881 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4028 stainless steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
16
Fatigue Strength, MPa 230 to 400
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 410 to 550
510
Tensile Strength: Ultimate (UTS), MPa 660 to 930
830
Tensile Strength: Yield (Proof), MPa 390 to 730
710

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 760
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.9
Embodied Energy, MJ/kg 27
26
Embodied Water, L/kg 100
54

Common Calculations

PREN (Pitting Resistance) 13
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
1320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 33
29
Strength to Weight: Bending, points 22 to 27
25
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 23 to 32
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.26 to 0.35
0 to 0.2
Chromium (Cr), % 12 to 14
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.1 to 87.7
91.9 to 100
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0080
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15