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S31655 Stainless Steel vs. EN 1.4855 Stainless Steel

Both S31655 stainless steel and EN 1.4855 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
4.6
Fatigue Strength, MPa 300
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 710
500
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 430
610
Maximum Temperature: Mechanical, °C 1010
1050
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
5.9
Embodied Energy, MJ/kg 46
85
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 27
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
19
Resilience: Unit (Modulus of Resilience), kJ/m3 310
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 19.5 to 21.5
23 to 25
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
42.6 to 51.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.5
0 to 0.5
Nickel (Ni), % 8.0 to 9.5
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030