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EN 1.4905 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4905 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19
6.7
Fatigue Strength, MPa 330
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 740
480
Tensile Strength: Yield (Proof), MPa 510
360

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
560
Maximum Temperature: Mechanical, °C 660
1150
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
7.6
Embodied Energy, MJ/kg 40
110
Embodied Water, L/kg 90
290

Common Calculations

PREN (Pitting Resistance) 15
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 680
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 7.0
3.3
Thermal Shock Resistance, points 25
11

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0.35 to 0.65
Chromium (Cr), % 8.5 to 9.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 86.2 to 88.8
23 to 38.9
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.0
Nickel (Ni), % 0.1 to 0.4
18 to 22
Niobium (Nb), % 0.060 to 0.1
0.75 to 1.3
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.9 to 1.1
2.0 to 3.0
Vanadium (V), % 0.18 to 0.25
0