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EN 1.4005 Stainless Steel vs. EN 1.4419 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.4419 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
11 to 17
Fatigue Strength, MPa 240 to 290
230 to 680
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 390 to 450
410 to 950
Tensile Strength: Ultimate (UTS), MPa 630 to 750
660 to 1590
Tensile Strength: Yield (Proof), MPa 370 to 500
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
790
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 28
30
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 14
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
350 to 3920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
24 to 57
Strength to Weight: Bending, points 21 to 24
22 to 39
Thermal Diffusivity, mm2/s 8.1
8.1
Thermal Shock Resistance, points 23 to 27
23 to 55

Alloy Composition

Carbon (C), % 0.060 to 0.15
0.36 to 0.42
Chromium (Cr), % 12 to 14
13 to 14.5
Iron (Fe), % 82.4 to 87.8
82 to 86
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0.6 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015

Comparable Variants