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EN 1.4874 Stainless Steel vs. EN 1.4669 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4669 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 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 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
28
Fatigue Strength, MPa 180
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 480
780
Tensile Strength: Yield (Proof), MPa 360
450

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1150
1030
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
2.6
Embodied Energy, MJ/kg 110
38
Embodied Water, L/kg 290
160

Common Calculations

PREN (Pitting Resistance) 34
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.045
Chromium (Cr), % 19 to 22
21.5 to 24
Cobalt (Co), % 18.5 to 22
0
Copper (Cu), % 0
1.6 to 3.0
Iron (Fe), % 23 to 38.9
65.2 to 74.8
Manganese (Mn), % 0 to 2.0
1.0 to 3.0
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.5
Nickel (Ni), % 18 to 22
1.0 to 3.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.12 to 0.2
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 0.030
Tungsten (W), % 2.0 to 3.0
0