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EN 1.1122 Steel vs. EN 1.4162 Stainless Steel

Both EN 1.1122 steel and EN 1.4162 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.1122 steel and the bottom bar is EN 1.4162 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
32
Fatigue Strength, MPa 170 to 260
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 240 to 290
520
Tensile Strength: Ultimate (UTS), MPa 340 to 460
780
Tensile Strength: Yield (Proof), MPa 240 to 370
520

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
38
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 89
220
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 360
690
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 16
28
Strength to Weight: Bending, points 14 to 17
25
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 11 to 15
21

Alloy Composition

Carbon (C), % 0.080 to 0.12
0 to 0.040
Chromium (Cr), % 0
21 to 22
Copper (Cu), % 0 to 0.25
0.1 to 0.8
Iron (Fe), % 98.7 to 99.62
67.2 to 73.3
Manganese (Mn), % 0.3 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0
1.4 to 1.9
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015