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EN 1.4821 Stainless Steel vs. EN 1.5521 Steel

Both EN 1.4821 stainless steel and EN 1.5521 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 1.4821 stainless steel and the bottom bar is EN 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
11 to 21
Fatigue Strength, MPa 280
210 to 310
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 450
310 to 360
Tensile Strength: Ultimate (UTS), MPa 730
430 to 1390
Tensile Strength: Yield (Proof), MPa 450
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
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
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 500
250 to 630
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 26
15 to 49
Strength to Weight: Bending, points 23
16 to 35
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 21
13 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.1 to 0.2
0.16 to 0.2
Chromium (Cr), % 24.5 to 26.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.2 to 71.1
98 to 98.9
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.8 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025