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EN 1.4658 Stainless Steel vs. EN 1.1181 Steel

Both EN 1.4658 stainless steel and EN 1.1181 steel are iron alloys. They have 59% 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 1.4658 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, % 28
19 to 20
Fatigue Strength, MPa 530
190 to 260
Impact Strength: V-Notched Charpy, J 110
23 to 38
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
350 to 390
Tensile Strength: Ultimate (UTS), MPa 900
560 to 620
Tensile Strength: Yield (Proof), MPa 730
280 to 380

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
42
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
210 to 380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
20 to 22
Strength to Weight: Bending, points 26
19 to 21
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 24
19 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 26 to 29
0 to 0.4
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
97.4 to 99.18
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.1
Nickel (Ni), % 5.5 to 9.5
0 to 0.4
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035