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EN 1.4910 Stainless Steel vs. S31655 Stainless Steel

Both EN 1.4910 stainless steel and S31655 stainless steel are iron alloys. They have a moderately high 94% 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 1.4910 stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
39
Fatigue Strength, MPa 250
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 450
490
Tensile Strength: Ultimate (UTS), MPa 650
710
Tensile Strength: Yield (Proof), MPa 290
350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 950
1010
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.3
Embodied Energy, MJ/kg 54
46
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 27
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
230
Resilience: Unit (Modulus of Resilience), kJ/m3 210
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 14
16

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 16 to 18
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62 to 69.9
63.2 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0.5 to 1.5
Nickel (Ni), % 12 to 14
8.0 to 9.5
Nitrogen (N), % 0.1 to 0.18
0.14 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015