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EN 1.4658 Stainless Steel vs. EN 1.8898 Steel

Both EN 1.4658 stainless steel and EN 1.8898 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 1.8898 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
18
Fatigue Strength, MPa 530
330
Impact Strength: V-Notched Charpy, J 110
45
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
370
Tensile Strength: Ultimate (UTS), MPa 900
600
Tensile Strength: Yield (Proof), MPa 730
490

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
49
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.6
Embodied Energy, MJ/kg 61
22
Embodied Water, L/kg 200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 24
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
96.7 to 99.98
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.2
Nickel (Ni), % 5.5 to 9.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.3 to 0.5
0 to 0.025
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12