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EN 1.4541 Stainless Steel vs. EN 1.4409 Stainless Steel

Both EN 1.4541 stainless steel and EN 1.4409 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 1.4541 stainless steel and the bottom bar is EN 1.4409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
34
Fatigue Strength, MPa 190 to 330
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 600 to 900
490
Tensile Strength: Yield (Proof), MPa 220 to 570
220

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
420
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.7
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 18
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
17
Strength to Weight: Bending, points 20 to 27
18
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 14 to 20
11

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 65.2 to 74
61.7 to 71
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 9.0 to 12
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.7
0