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EN 1.4837 Stainless Steel vs. EN 1.4374 Stainless Steel

Both EN 1.4837 stainless steel and EN 1.4374 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4837 stainless steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
40
Fatigue Strength, MPa 120
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 500
800
Tensile Strength: Yield (Proof), MPa 250
400

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1050
920
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.9
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 26
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
270
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 11
17

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.050 to 0.1
Chromium (Cr), % 24 to 27
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 53.4 to 63.7
63.5 to 67.9
Manganese (Mn), % 0 to 2.0
9.0 to 10
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 11 to 14
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030