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EN 1.4659 Stainless Steel vs. EN 1.1158 Steel

Both EN 1.4659 stainless steel and EN 1.1158 steel are iron alloys. They have 42% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 49
23 to 24
Fatigue Strength, MPa 460
170 to 220
Impact Strength: V-Notched Charpy, J 94
28 to 40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 640
300 to 320
Tensile Strength: Ultimate (UTS), MPa 900
470 to 500
Tensile Strength: Yield (Proof), MPa 480
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
49
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.1
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
1.4
Embodied Energy, MJ/kg 89
19
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 550
150 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 31
17 to 18
Strength to Weight: Bending, points 25
17 to 18
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 19
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0.22 to 0.29
Chromium (Cr), % 23 to 25
0 to 0.4
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
97.6 to 99.38
Manganese (Mn), % 2.0 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 5.5 to 6.5
0 to 0.1
Nickel (Ni), % 21 to 23
0 to 0.4
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Tungsten (W), % 1.5 to 2.5
0