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EN 1.4874 Stainless Steel vs. EN 1.4821 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4821 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
18
Fatigue Strength, MPa 180
280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 480
730
Tensile Strength: Yield (Proof), MPa 360
450

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 560
450
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.4
7.6
Embodied Carbon, kg CO2/kg material 7.6
2.9
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 290
160

Common Calculations

PREN (Pitting Resistance) 34
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 16
26
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 3.3
4.6
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.35 to 0.65
0.1 to 0.2
Chromium (Cr), % 19 to 22
24.5 to 26.5
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
64.2 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
3.5 to 5.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0