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EN 1.4807 Stainless Steel vs. EN 1.4581 Stainless Steel

Both EN 1.4807 stainless steel and EN 1.4581 stainless steel are iron alloys. They have 73% 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 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
28
Fatigue Strength, MPa 120
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 600
490
Maximum Temperature: Mechanical, °C 1000
990
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
21
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.8
4.2
Embodied Energy, MJ/kg 97
59
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.070
Chromium (Cr), % 17 to 20
18 to 20
Iron (Fe), % 36.6 to 46.7
61.4 to 71
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 2.5
Nickel (Ni), % 34 to 36
9.0 to 12
Niobium (Nb), % 1.0 to 1.8
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030