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EN 1.4521 Stainless Steel vs. EN 1.4807 Stainless Steel

Both EN 1.4521 stainless steel and EN 1.4807 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 31 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 1.4521 stainless steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
4.5
Fatigue Strength, MPa 230
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 520
480
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
600
Maximum Temperature: Mechanical, °C 930
1000
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
39
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
6.8
Embodied Energy, MJ/kg 39
97
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 26
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
18
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 6.2
3.2
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.025
0.3 to 0.5
Chromium (Cr), % 17 to 20
17 to 20
Iron (Fe), % 74.6 to 81.1
36.6 to 46.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
0 to 0.5
Nickel (Ni), % 0
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0