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EN 1.1158 Steel vs. EN 1.4646 Stainless Steel

Both EN 1.1158 steel and EN 1.4646 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 24
34
Fatigue Strength, MPa 170 to 220
340
Impact Strength: V-Notched Charpy, J 28 to 40
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 320
500
Tensile Strength: Ultimate (UTS), MPa 470 to 500
750
Tensile Strength: Yield (Proof), MPa 240 to 310
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 18
27
Strength to Weight: Bending, points 17 to 18
24
Thermal Shock Resistance, points 15 to 16
16

Alloy Composition

Carbon (C), % 0.22 to 0.29
0.020 to 0.1
Chromium (Cr), % 0 to 0.4
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 97.6 to 99.38
59 to 67.3
Manganese (Mn), % 0.4 to 0.7
10.5 to 12.5
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015