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EN 1.4874 Stainless Steel vs. EN 1.4558 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4558 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 29 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 1.4874 stainless steel and the bottom bar is EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
39
Fatigue Strength, MPa 180
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 360
200

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 560
480
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.6
5.5
Embodied Energy, MJ/kg 110
77
Embodied Water, L/kg 290
200

Common Calculations

PREN (Pitting Resistance) 34
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
160
Resilience: Unit (Modulus of Resilience), kJ/m3 310
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 3.3
3.1
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0.35 to 0.65
0 to 0.030
Chromium (Cr), % 19 to 22
20 to 23
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
39.2 to 47.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
32 to 35
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Tungsten (W), % 2.0 to 3.0
0