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EN 1.4821 Stainless Steel vs. EN 1.8881 Steel

Both EN 1.4821 stainless steel and EN 1.8881 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4821 stainless steel and the bottom bar is EN 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
16
Fatigue Strength, MPa 280
460
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 450
510
Tensile Strength: Ultimate (UTS), MPa 730
830
Tensile Strength: Yield (Proof), MPa 450
710

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.7
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.9
Embodied Energy, MJ/kg 41
26
Embodied Water, L/kg 160
54

Common Calculations

PREN (Pitting Resistance) 26
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 500
1320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 21
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.1 to 0.2
0 to 0.2
Chromium (Cr), % 24.5 to 26.5
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.2 to 71.1
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 3.5 to 5.5
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.1
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.8 to 1.5
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