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EN 1.4537 Stainless Steel vs. S31100 Stainless Steel

Both EN 1.4537 stainless steel and S31100 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 (2, 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 S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
270
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 42
4.5
Fatigue Strength, MPa 290
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
79
Shear Strength, MPa 480
580
Tensile Strength: Ultimate (UTS), MPa 700
1000
Tensile Strength: Yield (Proof), MPa 330
710

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
470
Maximum Temperature: Mechanical, °C 1100
1100
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
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
16
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.1
3.1
Embodied Energy, MJ/kg 84
44
Embodied Water, L/kg 220
170

Common Calculations

PREN (Pitting Resistance) 46
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
40
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.060
Chromium (Cr), % 24 to 26
25 to 27
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
63.6 to 69
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
6.0 to 7.0
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 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.25