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EN 1.4446 Stainless Steel vs. EN 1.4849 Stainless Steel

Both EN 1.4446 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4446 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
4.5
Fatigue Strength, MPa 160
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 490
480
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 980
1020
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 22
42
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.5
7.1
Embodied Energy, MJ/kg 60
100
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
18
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.6
3.2
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 16.5 to 18.5
18 to 21
Iron (Fe), % 59.7 to 66.9
32.6 to 43.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 12.5 to 14.5
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030