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EN 1.7177 Steel vs. EN 1.4805 Stainless Steel

Both EN 1.7177 steel and EN 1.4805 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 23 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 1.7177 steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
490

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1000
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.7
Embodied Energy, MJ/kg 19
66
Embodied Water, L/kg 49
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 71
17
Strength to Weight: Bending, points 21 to 45
18
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 19 to 59
11

Alloy Composition

Carbon (C), % 0.55 to 0.65
0.2 to 0.5
Chromium (Cr), % 0.6 to 0.9
19 to 23
Iron (Fe), % 97 to 98.2
44.9 to 56.8
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030