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EN 1.4508 Stainless Steel vs. EN 1.4419 Stainless Steel

Both EN 1.4508 stainless steel and EN 1.4419 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4508 stainless steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 210
230 to 680
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 570
660 to 1590
Tensile Strength: Yield (Proof), MPa 260
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1000
790
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.2
Embodied Energy, MJ/kg 55
30
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 32
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 170
350 to 3920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
24 to 57
Strength to Weight: Bending, points 19
22 to 39
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 17
23 to 55

Alloy Composition

Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 18 to 20
13 to 14.5
Iron (Fe), % 61.2 to 69.9
82 to 86
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0.6 to 1.0
Nickel (Ni), % 9.0 to 12
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015