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EN 1.7335 Steel vs. S82031 Stainless Steel

Both EN 1.7335 steel and S82031 stainless steel are iron alloys. They have 76% 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 EN 1.7335 steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 22
39
Fatigue Strength, MPa 200 to 220
490
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 310 to 330
540
Tensile Strength: Ultimate (UTS), MPa 500 to 520
780
Tensile Strength: Yield (Proof), MPa 280 to 310
570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
980
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
39
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.7
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 97
280
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 260
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0.080 to 0.18
0 to 0.050
Chromium (Cr), % 0.7 to 1.2
19 to 22
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 96.4 to 98.4
68 to 78.3
Manganese (Mn), % 0.4 to 1.0
0 to 2.5
Molybdenum (Mo), % 0.4 to 0.6
0.6 to 1.4
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0 to 0.012
0.14 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.0050