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S35315 Stainless Steel vs. EN 1.6781 Steel

Both S35315 stainless steel and EN 1.6781 steel are iron alloys. They have 43% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S35315 stainless steel and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
17
Fatigue Strength, MPa 280
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 740
830
Tensile Strength: Yield (Proof), MPa 300
680

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.7
1.9
Embodied Energy, MJ/kg 81
25
Embodied Water, L/kg 220
60

Common Calculations

PREN (Pitting Resistance) 27
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 17
24

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.15 to 0.19
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
1.3 to 1.8
Iron (Fe), % 33.6 to 40.6
92.6 to 94.6
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 34 to 36
3.0 to 3.5
Nitrogen (N), % 0.12 to 0.18
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.2 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015