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EN 1.4659 Stainless Steel vs. EN 1.1181 Steel

Both EN 1.4659 stainless steel and EN 1.1181 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 1.1181 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 49
19 to 20
Fatigue Strength, MPa 460
190 to 260
Impact Strength: V-Notched Charpy, J 94
23 to 38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 640
350 to 390
Tensile Strength: Ultimate (UTS), MPa 900
560 to 620
Tensile Strength: Yield (Proof), MPa 480
280 to 380

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
42
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

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
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 550
210 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 31
20 to 22
Strength to Weight: Bending, points 25
19 to 21
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 19
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.020
0.32 to 0.39
Chromium (Cr), % 23 to 25
0 to 0.4
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
97.4 to 99.18
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.8
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