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EN 1.4849 Stainless Steel vs. AISI 444 Stainless Steel

Both EN 1.4849 stainless steel and AISI 444 stainless steel are iron alloys. They have 59% 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 1.4849 stainless steel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
23
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
470
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 620
580
Maximum Temperature: Mechanical, °C 1020
930
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 42
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
3.4
Embodied Energy, MJ/kg 100
47
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
95
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.2
6.2
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.025
Chromium (Cr), % 18 to 21
17.5 to 19.5
Iron (Fe), % 32.6 to 43.5
73.3 to 80.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.8 to 2.5
Nickel (Ni), % 36 to 39
0 to 1.0
Niobium (Nb), % 1.2 to 1.8
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
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 0.030
Titanium (Ti), % 0
0.2 to 0.8