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EN 1.7177 Steel vs. S38815 Stainless Steel

Both EN 1.7177 steel and S38815 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.7177 steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
610

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 420
860
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
54
Embodied Water, L/kg 49
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 71
22
Strength to Weight: Bending, points 21 to 45
21
Thermal Shock Resistance, points 19 to 59
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.55 to 0.65
0 to 0.030
Chromium (Cr), % 0.6 to 0.9
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 97 to 98.2
56.1 to 67
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
13 to 17
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
5.5 to 6.5
Sulfur (S), % 0 to 0.025
0 to 0.020