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S35140 Stainless Steel vs. EN 1.7707 Steel

Both S35140 stainless steel and EN 1.7707 steel are iron alloys. They have 52% of their average alloy composition in common. There are 32 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 S35140 stainless steel and the bottom bar is EN 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11
Fatigue Strength, MPa 250
500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 460
600
Tensile Strength: Ultimate (UTS), MPa 690
1010
Tensile Strength: Yield (Proof), MPa 310
800

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.9
Embodied Energy, MJ/kg 78
27
Embodied Water, L/kg 190
58

Common Calculations

PREN (Pitting Resistance) 28
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 16
29

Alloy Composition

Carbon (C), % 0 to 0.1
0.26 to 0.34
Chromium (Cr), % 20 to 22
2.3 to 2.7
Iron (Fe), % 44.1 to 52.7
94.7 to 96.8
Manganese (Mn), % 1.0 to 3.0
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 2.0
0.15 to 0.25
Nickel (Ni), % 25 to 27
0 to 0.6
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2