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EN 1.4537 Stainless Steel vs. AISI 308 Stainless Steel

Both EN 1.4537 stainless steel and AISI 308 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4537 stainless steel and the bottom bar is AISI 308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 42
45
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 480
410
Tensile Strength: Ultimate (UTS), MPa 700
590
Tensile Strength: Yield (Proof), MPa 330
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
3.2
Embodied Energy, MJ/kg 84
46
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 46
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.7
4.1
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 24 to 26
19 to 21
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
64.1 to 71
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
10 to 12
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030