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EN 1.8881 Steel vs. EN 1.4347 Stainless Steel

Both EN 1.8881 steel and EN 1.4347 stainless steel are iron alloys. They have 69% 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 1.8881 steel and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
23
Fatigue Strength, MPa 460
320
Impact Strength: V-Notched Charpy, J 90
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 830
660
Tensile Strength: Yield (Proof), MPa 710
480

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.1
Embodied Energy, MJ/kg 26
44
Embodied Water, L/kg 54
170

Common Calculations

PREN (Pitting Resistance) 2.0
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
570
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 24
19

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.050
Chromium (Cr), % 0 to 1.5
25 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
62.2 to 69.4
Manganese (Mn), % 0 to 1.7
0 to 1.5
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
5.5 to 7.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.0080
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0