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EN 1.4565 Stainless Steel vs. EN 1.4941 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.4941 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 76% of their average alloy composition in common. There are 33 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 1.4565 stainless steel and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
39
Fatigue Strength, MPa 380
180
Impact Strength: V-Notched Charpy, J 110
98
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 590
400
Tensile Strength: Ultimate (UTS), MPa 880
590
Tensile Strength: Yield (Proof), MPa 480
210

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
520
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.3
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 210
140

Common Calculations

PREN (Pitting Resistance) 47
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 550
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 21
13

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.030
0.040 to 0.080
Chromium (Cr), % 24 to 26
17 to 19
Iron (Fe), % 41.2 to 50.7
65.1 to 73.6
Manganese (Mn), % 5.0 to 7.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 19
9.0 to 12
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.8