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EN 1.4854 Stainless Steel vs. AISI 444 Stainless Steel

Both EN 1.4854 stainless steel and AISI 444 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 33 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 1.4854 stainless steel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
23
Fatigue Strength, MPa 310
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 520
300
Tensile Strength: Ultimate (UTS), MPa 750
470
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Corrosion, °C 450
580
Maximum Temperature: Mechanical, °C 1170
930
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
23
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.7
3.4
Embodied Energy, MJ/kg 81
47
Embodied Water, L/kg 220
130

Common Calculations

PREN (Pitting Resistance) 28
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
95
Resilience: Unit (Modulus of Resilience), kJ/m3 280
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 2.9
6.2
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.025
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
17.5 to 19.5
Iron (Fe), % 33.6 to 40.6
73.3 to 80.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 34 to 36
0 to 1.0
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0.12 to 0.2
0 to 0.035
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.2 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8