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EN 1.4658 Stainless Steel vs. EN 1.1191 Steel

Both EN 1.4658 stainless steel and EN 1.1191 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 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
16 to 17
Fatigue Strength, MPa 530
210 to 290
Impact Strength: V-Notched Charpy, J 110
16 to 29
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 580
380 to 430
Tensile Strength: Ultimate (UTS), MPa 900
630 to 700
Tensile Strength: Yield (Proof), MPa 730
310 to 440

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
48
Thermal Expansion, µm/m-K 13
12

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
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
260 to 510
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
22 to 25
Strength to Weight: Bending, points 26
21 to 22
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 24
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.42 to 0.5
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
97.3 to 99.08
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