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EN 1.4849 Stainless Steel vs. EN 1.4408 Stainless Steel

Both EN 1.4849 stainless steel and EN 1.4408 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 (3, 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 EN 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
34
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
420
Maximum Temperature: Mechanical, °C 1020
990
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 42
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
3.7
Embodied Energy, MJ/kg 100
52
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.070
Chromium (Cr), % 18 to 21
18 to 20
Iron (Fe), % 32.6 to 43.5
62.4 to 71
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 2.5
Nickel (Ni), % 36 to 39
9.0 to 12
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030