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EN 1.4373 Stainless Steel vs. EN 1.8888 Steel

Both EN 1.4373 stainless steel and EN 1.8888 steel are iron alloys. They have 71% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4373 stainless steel and the bottom bar is EN 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
16
Fatigue Strength, MPa 340
470
Impact Strength: V-Notched Charpy, J 90
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530
510
Tensile Strength: Ultimate (UTS), MPa 750
830
Tensile Strength: Yield (Proof), MPa 370
720

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
26
Embodied Water, L/kg 150
54

Common Calculations

PREN (Pitting Resistance) 20
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
130
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.15
0 to 0.2
Chromium (Cr), % 17 to 19
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63 to 71.5
91.9 to 100
Manganese (Mn), % 7.5 to 10.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 4.0 to 6.0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.050 to 0.25
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15