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EN 1.4807 Stainless Steel vs. EN 1.4821 Stainless Steel

Both EN 1.4807 stainless steel and EN 1.4821 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4807 stainless steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
18
Fatigue Strength, MPa 120
280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 480
730
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 600
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
15
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 6.8
2.9
Embodied Energy, MJ/kg 97
41
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.1 to 0.2
Chromium (Cr), % 17 to 20
24.5 to 26.5
Iron (Fe), % 36.6 to 46.7
64.2 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
3.5 to 5.5
Niobium (Nb), % 1.0 to 1.8
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015