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EN 1.4662 Stainless Steel vs. EN 1.8881 Steel

Both EN 1.4662 stainless steel and EN 1.8881 steel are iron alloys. They have 70% 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 1.4662 stainless steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
16
Fatigue Strength, MPa 430 to 450
460
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 520 to 540
510
Tensile Strength: Ultimate (UTS), MPa 810 to 830
830
Tensile Strength: Yield (Proof), MPa 580 to 620
710

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1090
420
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 15
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.9
Embodied Energy, MJ/kg 45
26
Embodied Water, L/kg 170
54

Common Calculations

PREN (Pitting Resistance) 33
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
1320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 30
29
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 22
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 23 to 25
0 to 1.5
Copper (Cu), % 0.1 to 0.8
0 to 0.3
Iron (Fe), % 62.6 to 70.2
91.9 to 100
Manganese (Mn), % 2.5 to 4.0
0 to 1.7
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.7
Nickel (Ni), % 3.0 to 4.5
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.2 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.0050
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