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EN 1.4874 Stainless Steel vs. EN 1.4031 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4031 stainless steel are iron alloys. They have 46% 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 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 6.7
11 to 13
Fatigue Strength, MPa 180
220 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 480
670 to 900
Tensile Strength: Yield (Proof), MPa 360
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 560
390
Maximum Temperature: Mechanical, °C 1150
770
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
1.9
Embodied Energy, MJ/kg 110
27
Embodied Water, L/kg 290
100

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 310
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24 to 32
Strength to Weight: Bending, points 16
22 to 27
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 11
23 to 32

Alloy Composition

Carbon (C), % 0.35 to 0.65
0.36 to 0.42
Chromium (Cr), % 19 to 22
12.5 to 14.5
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
83 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0