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EN 1.4729 Stainless Steel vs. EN 1.6587 Steel

Both EN 1.4729 stainless steel and EN 1.6587 steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is EN 1.6587 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 850
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 24
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.7
Embodied Energy, MJ/kg 29
22
Embodied Water, L/kg 100
58

Common Calculations

PREN (Pitting Resistance) 14
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.3 to 0.5
0.15 to 0.21
Chromium (Cr), % 12 to 14
1.5 to 1.8
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 80.4 to 86.7
94.4 to 96.4
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.35
Nickel (Ni), % 0 to 1.0
1.4 to 1.7
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030