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EN 1.4419 Stainless Steel vs. EN 1.4855 Stainless Steel

Both EN 1.4419 stainless steel and EN 1.4855 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 29 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 1.4419 stainless steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
4.6
Fatigue Strength, MPa 230 to 680
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
500
Tensile Strength: Yield (Proof), MPa 370 to 1240
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
610
Maximum Temperature: Mechanical, °C 790
1050
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
34
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
5.9
Embodied Energy, MJ/kg 30
85
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 16
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
19
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 57
18
Strength to Weight: Bending, points 22 to 39
18
Thermal Diffusivity, mm2/s 8.1
3.7
Thermal Shock Resistance, points 23 to 55
11

Alloy Composition

Carbon (C), % 0.36 to 0.42
0.3 to 0.5
Chromium (Cr), % 13 to 14.5
23 to 25
Iron (Fe), % 82 to 86
42.6 to 51.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.0
0 to 0.5
Nickel (Ni), % 0
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
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 0.015
0 to 0.030