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EN 1.4905 Stainless Steel vs. EN 1.6582 Steel

Both EN 1.4905 stainless steel and EN 1.6582 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is EN 1.6582 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 740
620 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 660
440
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
22
Embodied Water, L/kg 90
56

Common Calculations

PREN (Pitting Resistance) 15
2.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22 to 62
Strength to Weight: Bending, points 23
21 to 41
Thermal Diffusivity, mm2/s 7.0
11
Thermal Shock Resistance, points 25
18 to 51

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0.3 to 0.38
Chromium (Cr), % 8.5 to 9.5
1.3 to 1.7
Iron (Fe), % 86.2 to 88.8
94.7 to 96.5
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.15 to 0.3
Nickel (Ni), % 0.1 to 0.4
1.3 to 1.7
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0