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S31655 Stainless Steel vs. EN 1.4872 Stainless Steel

Both S31655 stainless steel and EN 1.4872 stainless steel are iron alloys. They have 87% 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 S31655 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
28
Fatigue Strength, MPa 300
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 490
620
Tensile Strength: Ultimate (UTS), MPa 710
950
Tensile Strength: Yield (Proof), MPa 350
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1010
1150
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.3
3.3
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
35
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.3
Chromium (Cr), % 19.5 to 21.5
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
54.2 to 61.6
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
6.0 to 8.0
Nitrogen (N), % 0.14 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015