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EN 1.1158 Steel vs. EN 1.4837 Stainless Steel

Both EN 1.1158 steel and EN 1.4837 stainless steel are iron alloys. They have 60% 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 1.1158 steel and the bottom bar is EN 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 24
6.8
Fatigue Strength, MPa 170 to 220
120
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 470 to 500
500
Tensile Strength: Yield (Proof), MPa 240 to 310
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 49
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
29
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 18
18
Strength to Weight: Bending, points 17 to 18
18
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 15 to 16
11

Alloy Composition

Carbon (C), % 0.22 to 0.29
0.3 to 0.5
Chromium (Cr), % 0 to 0.4
24 to 27
Iron (Fe), % 97.6 to 99.38
53.4 to 63.7
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
11 to 14
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030