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EN 1.4411 Stainless Steel vs. EN 1.4028 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4028 stainless steel are iron alloys. They have a moderately high 90% 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 1.4411 stainless steel and the bottom bar is EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 370
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 870
660 to 930
Tensile Strength: Yield (Proof), MPa 600
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.9
Embodied Energy, MJ/kg 41
27
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 22
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 920
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
24 to 33
Strength to Weight: Bending, points 26
22 to 27
Thermal Diffusivity, mm2/s 4.6
8.1
Thermal Shock Resistance, points 28
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.060
0.26 to 0.35
Chromium (Cr), % 15 to 17
12 to 14
Iron (Fe), % 73.1 to 79.5
83.1 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015