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EN 1.4439 Stainless Steel vs. EN 1.3570 Steel

Both EN 1.4439 stainless steel and EN 1.3570 steel are iron alloys. They have 65% 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 1.4439 stainless steel and the bottom bar is EN 1.3570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 680
490 to 1440

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 160
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
17 to 51
Strength to Weight: Bending, points 22
18 to 36
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
14 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 16.5 to 18.5
0.4 to 0.75
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 58.7 to 66.9
97.1 to 98.9
Manganese (Mn), % 0 to 2.0
0.65 to 1.1
Molybdenum (Mo), % 4.0 to 5.0
0.1 to 0.2
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0.12 to 0.22
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030