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S64512 Stainless Steel vs. EN 1.7177 Steel

Both S64512 stainless steel and EN 1.7177 steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is EN 1.7177 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1140
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 110
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
23 to 71
Strength to Weight: Bending, points 31
21 to 45
Thermal Diffusivity, mm2/s 7.5
13
Thermal Shock Resistance, points 42
19 to 59

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.55 to 0.65
Chromium (Cr), % 11 to 12.5
0.6 to 0.9
Iron (Fe), % 80.6 to 84.7
97 to 98.2
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0.25 to 0.4
0