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EN 1.4451 Stainless Steel vs. EN 1.4541 Stainless Steel

Both EN 1.4451 stainless steel and EN 1.4541 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4451 stainless steel and the bottom bar is EN 1.4541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
14 to 40
Fatigue Strength, MPa 370
190 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
600 to 900
Tensile Strength: Yield (Proof), MPa 540
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
480
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 39
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 710
120 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21 to 32
Strength to Weight: Bending, points 23
20 to 27
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 16
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 25 to 27
17 to 19
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.2 to 64.6
65.2 to 74
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
9.0 to 12
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.7