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EN 1.4958 Stainless Steel vs. EN 1.5507 Steel

Both EN 1.4958 stainless steel and EN 1.5507 steel are iron alloys. They have 47% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 630
450 to 880

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
49
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.4
Embodied Energy, MJ/kg 75
19
Embodied Water, L/kg 200
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
16 to 31
Strength to Weight: Bending, points 20
17 to 26
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 15
13 to 26

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.030 to 0.080
0.21 to 0.25
Chromium (Cr), % 19 to 22
0.25 to 0.35
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 41.1 to 50.6
97.8 to 98.7
Manganese (Mn), % 0 to 1.5
0.8 to 1.0
Nickel (Ni), % 30 to 32.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.2 to 0.5
0 to 0.060