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EN 1.7102 Steel vs. S44625 Stainless Steel

Both EN 1.7102 steel and S44625 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7102 steel and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
590

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 48
160

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 72
21
Strength to Weight: Bending, points 22 to 46
20
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 20 to 60
19

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.010
Chromium (Cr), % 0.5 to 0.8
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 96.2 to 97.3
69.4 to 74.3
Manganese (Mn), % 0.5 to 0.8
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 1.2 to 1.6
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.020