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EN 1.4818 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4818 stainless steel and EN 1.4537 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 71% 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 1.4818 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
42
Fatigue Strength, MPa 280
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 480
480
Tensile Strength: Ultimate (UTS), MPa 700
700
Tensile Strength: Yield (Proof), MPa 330
330

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
34
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.1
6.1
Embodied Energy, MJ/kg 44
84
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 22
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
240
Resilience: Unit (Modulus of Resilience), kJ/m3 270
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.020
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 65.6 to 71.8
36.3 to 46.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 9.0 to 11
24 to 27
Nitrogen (N), % 0.12 to 0.2
0.17 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010