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S31655 Stainless Steel vs. EN 1.0345 Steel

Both S31655 stainless steel and EN 1.0345 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 1.0345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
27
Fatigue Strength, MPa 300
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 490
270
Tensile Strength: Ultimate (UTS), MPa 710
420
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
96
Resilience: Unit (Modulus of Resilience), kJ/m3 310
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 19.5 to 21.5
0 to 0.3
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 63.2 to 71.9
97.2 to 99.38
Manganese (Mn), % 0 to 2.0
0.6 to 1.2
Molybdenum (Mo), % 0.5 to 1.5
0 to 0.080
Nickel (Ni), % 8.0 to 9.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.020
Nitrogen (N), % 0.14 to 0.25
0 to 0.012
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.020