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EN 1.4401 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4401 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 64% 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 1.4401 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 40
6.7
Fatigue Strength, MPa 200 to 320
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 600 to 900
480
Tensile Strength: Yield (Proof), MPa 230 to 570
360

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 950
1150
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.8
7.6
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 150
290

Common Calculations

PREN (Pitting Resistance) 26
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
29
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
16
Strength to Weight: Bending, points 20 to 26
16
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 13 to 20
11

Alloy Composition

Carbon (C), % 0 to 0.070
0.35 to 0.65
Chromium (Cr), % 16.5 to 18.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 62.8 to 71.5
23 to 38.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
2.5 to 3.0
Nickel (Ni), % 10 to 13
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0