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EN 1.4938 Stainless Steel vs. EN 1.8896 Steel

Both EN 1.4938 stainless steel and EN 1.8896 steel are iron alloys. They have 84% 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 1.4938 stainless steel and the bottom bar is EN 1.8896 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 17
24
Fatigue Strength, MPa 390 to 520
280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 630
330
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
510
Tensile Strength: Yield (Proof), MPa 640 to 870
390

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 30
49
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
21
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
18
Strength to Weight: Bending, points 26 to 29
18
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.080 to 0.15
0 to 0.14
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 80.5 to 84.8
97 to 99.98
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.2
Nickel (Ni), % 2.0 to 3.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.020 to 0.040
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0.25 to 0.4
0 to 0.1