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EN 1.4959 Stainless Steel vs. EN 1.8893 Steel

Both EN 1.4959 stainless steel and EN 1.8893 steel are iron alloys. They have 47% 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 1.4959 stainless steel and the bottom bar is EN 1.8893 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 170
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
510
Tensile Strength: Ultimate (UTS), MPa 630
830
Tensile Strength: Yield (Proof), MPa 190
720

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.7
Embodied Energy, MJ/kg 76
23
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 96
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0.020 to 0.060
Carbon (C), % 0.050 to 0.1
0 to 0.2
Chromium (Cr), % 19 to 22
0 to 0.3
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 39.4 to 50.5
95.6 to 98
Manganese (Mn), % 0 to 1.5
1.4 to 1.7
Molybdenum (Mo), % 0
0.3 to 0.45
Nickel (Ni), % 30 to 34
0.3 to 0.7
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0 to 0.020
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.25 to 0.65
0 to 0.050
Vanadium (V), % 0
0 to 0.12