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EN 1.4468 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4468 stainless steel and EN 1.4537 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 77% 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 1.4468 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
42
Fatigue Strength, MPa 380
290
Impact Strength: V-Notched Charpy, J 56
91
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 730
700
Tensile Strength: Yield (Proof), MPa 550
330

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.8
6.1
Embodied Energy, MJ/kg 53
84
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 38
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
240
Resilience: Unit (Modulus of Resilience), kJ/m3 730
270
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.6
3.7
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 24.5 to 26.5
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 59.7 to 67.4
36.3 to 46.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
4.7 to 5.7
Nickel (Ni), % 5.5 to 7.0
24 to 27
Nitrogen (N), % 0.12 to 0.25
0.17 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010