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EN 1.1122 Steel vs. EN 1.4062 Stainless Steel

Both EN 1.1122 steel and EN 1.4062 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 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 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
23 to 34
Fatigue Strength, MPa 170 to 260
410 to 420
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 240 to 290
510
Tensile Strength: Ultimate (UTS), MPa 340 to 460
770 to 800
Tensile Strength: Yield (Proof), MPa 240 to 370
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1030
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
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
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.4

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
37
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 89
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 360
690 to 910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12 to 16
28 to 29
Strength to Weight: Bending, points 14 to 17
24 to 25
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 11 to 15
21 to 22

Alloy Composition

Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.7 to 99.62
69.3 to 77.3
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
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 0.010

Comparable Variants