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EN 1.4557 Stainless Steel vs. EN 1.0308 Steel

Both EN 1.4557 stainless steel and EN 1.0308 steel are iron alloys. They have 54% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is EN 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
7.8 to 28
Fatigue Strength, MPa 260
140 to 200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 560
360 to 440
Tensile Strength: Yield (Proof), MPa 300
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 29
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 210
93 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
13 to 16
Strength to Weight: Bending, points 19
14 to 16
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 12
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.17
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
98.2 to 100
Manganese (Mn), % 0 to 1.2
0 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.045