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EN 1.4405 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4405 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 54% 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 1.4405 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
6.7
Fatigue Strength, MPa 370
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 860
480
Tensile Strength: Yield (Proof), MPa 610
360

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 870
1150
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.8
7.6
Embodied Energy, MJ/kg 39
110
Embodied Water, L/kg 130
290

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 950
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
16
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 29
11

Alloy Composition

Carbon (C), % 0 to 0.060
0.35 to 0.65
Chromium (Cr), % 15 to 17
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 73.6 to 80.3
23 to 38.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.5
2.5 to 3.0
Nickel (Ni), % 4.0 to 6.0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0