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EN 1.4807 Stainless Steel vs. EN 1.4374 Stainless Steel

Both EN 1.4807 stainless steel and EN 1.4374 stainless steel are iron alloys. They have 67% 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 1.4807 stainless steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
40
Fatigue Strength, MPa 120
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 480
800
Tensile Strength: Yield (Proof), MPa 250
400

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 600
410
Maximum Temperature: Mechanical, °C 1000
920
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 39
14
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.8
2.9
Embodied Energy, MJ/kg 97
42
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
270
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.050 to 0.1
Chromium (Cr), % 17 to 20
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 36.6 to 46.7
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), % 34 to 36
5.0 to 6.0
Niobium (Nb), % 1.0 to 1.8
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