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EN 1.4404 Stainless Steel vs. EN 1.4849 Stainless Steel

Both EN 1.4404 stainless steel and EN 1.4849 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 1.4404 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
4.5
Fatigue Strength, MPa 220 to 320
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 600 to 900
480
Tensile Strength: Yield (Proof), MPa 240 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 950
1020
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
42
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.8
7.1
Embodied Energy, MJ/kg 52
100
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 26
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
18
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
17
Strength to Weight: Bending, points 20 to 26
17
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 13 to 20
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), % 62.8 to 71.5
32.6 to 43.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 10 to 13
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030