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EN 1.4872 Stainless Steel vs. S31655 Stainless Steel

Both EN 1.4872 stainless steel and S31655 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 EN 1.4872 stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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