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EN 1.4874 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 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 1.4874 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 6.7
28
Fatigue Strength, MPa 180
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 480
900
Tensile Strength: Yield (Proof), MPa 360
730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 560
460
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
4.5
Embodied Energy, MJ/kg 110
61
Embodied Water, L/kg 290
200

Common Calculations

PREN (Pitting Resistance) 34
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
240
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
32
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 11
24

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.030
Chromium (Cr), % 19 to 22
26 to 29
Cobalt (Co), % 18.5 to 22
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 23 to 38.9
50.9 to 63.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
4.0 to 5.0
Nickel (Ni), % 18 to 22
5.5 to 9.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.0 to 3.0
0