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EN 1.7710 Steel vs. S35315 Stainless Steel

Both EN 1.7710 steel and S35315 stainless steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.7710 steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
46
Fatigue Strength, MPa 500 to 620
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
740
Tensile Strength: Yield (Proof), MPa 800 to 1060
300

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1430
1330
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
7.9
Embodied Carbon, kg CO2/kg material 2.2
5.7
Embodied Energy, MJ/kg 30
81
Embodied Water, L/kg 57
220

Common Calculations

PREN (Pitting Resistance) 4.5
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
26
Strength to Weight: Bending, points 27 to 30
23
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 27 to 31
17

Alloy Composition

Carbon (C), % 0.12 to 0.18
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 1.3 to 1.8
24 to 26
Iron (Fe), % 95.1 to 97
33.6 to 40.6
Manganese (Mn), % 0.6 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.0
0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0