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EN 1.4371 Stainless Steel vs. EN 1.8893 Steel

Both EN 1.4371 stainless steel and EN 1.8893 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 1.4371 stainless steel and the bottom bar is EN 1.8893 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45 to 51
16
Fatigue Strength, MPa 290 to 340
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 540
510
Tensile Strength: Ultimate (UTS), MPa 740 to 750
830
Tensile Strength: Yield (Proof), MPa 320 to 340
720

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
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
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
23
Embodied Water, L/kg 140
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
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

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 16 to 17.5
0 to 0.3
Copper (Cu), % 0 to 1.0
0 to 0.2
Iron (Fe), % 66.7 to 74.4
95.6 to 98
Manganese (Mn), % 6.0 to 8.0
1.4 to 1.7
Molybdenum (Mo), % 0
0.3 to 0.45
Nickel (Ni), % 3.5 to 5.5
0.3 to 0.7
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.15 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12