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EN 1.1172 Steel vs. EN 1.4020 Stainless Steel

Both EN 1.1172 steel and EN 1.4020 stainless steel are iron alloys. They have 68% 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 1.1172 steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 480 to 1720
770 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
37
Embodied Water, L/kg 46
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 61
28 to 41
Strength to Weight: Bending, points 17 to 41
25 to 32
Thermal Shock Resistance, points 15 to 55
16 to 23

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.2 to 99.18
62.8 to 71.8
Manganese (Mn), % 0.5 to 0.8
11 to 14
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030