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S15700 Stainless Steel vs. EN 1.7240 Steel

Both S15700 stainless steel and EN 1.7240 steel are iron alloys. They have 75% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is EN 1.7240 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
670 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 140
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 67
24 to 71
Strength to Weight: Bending, points 32 to 43
22 to 45
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 39 to 63
20 to 59

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.56 to 0.64
Chromium (Cr), % 14 to 16
0.7 to 1.0
Iron (Fe), % 69.6 to 76.8
96.7 to 97.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.25
Nickel (Ni), % 6.5 to 7.7
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants