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EN 1.4855 Stainless Steel vs. AISI 445 Stainless Steel

Both EN 1.4855 stainless steel and AISI 445 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6
25
Fatigue Strength, MPa 120
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 500
480
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 610
480
Maximum Temperature: Mechanical, °C 1050
950
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 5.9
2.6
Embodied Energy, MJ/kg 85
38
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
98
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.7
5.6
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 23 to 25
19 to 21
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 42.6 to 51.9
74.9 to 80.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 25
0 to 0.6
Niobium (Nb), % 0.8 to 1.8
0 to 0.8
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.012