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EN 1.4404 Stainless Steel vs. EN 1.6582 Steel

Both EN 1.4404 stainless steel and EN 1.6582 steel are iron alloys. They have 71% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is EN 1.6582 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 600 to 900
620 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 52
22
Embodied Water, L/kg 150
56

Common Calculations

PREN (Pitting Resistance) 26
2.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
22 to 62
Strength to Weight: Bending, points 20 to 26
21 to 41
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
18 to 51

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.38
Chromium (Cr), % 16.5 to 18.5
1.3 to 1.7
Iron (Fe), % 62.8 to 71.5
94.7 to 96.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.3
Nickel (Ni), % 10 to 13
1.3 to 1.7
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035

Comparable Variants