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EN 1.7710 Steel vs. S35045 Stainless Steel

Both EN 1.7710 steel and S35045 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.7710 steel and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
39
Fatigue Strength, MPa 500 to 620
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
540
Tensile Strength: Yield (Proof), MPa 800 to 1060
190

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.8
Embodied Energy, MJ/kg 30
83
Embodied Water, L/kg 57
230

Common Calculations

PREN (Pitting Resistance) 4.5
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33 to 38
19
Strength to Weight: Bending, points 27 to 30
19
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 27 to 31
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.12 to 0.18
0.060 to 0.1
Chromium (Cr), % 1.3 to 1.8
25 to 29
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 95.1 to 97
29.4 to 42.6
Manganese (Mn), % 0.6 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.0
0
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0.15 to 0.25
0