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EN 1.4458 Stainless Steel vs. SAE-AISI 51B60 Steel

Both EN 1.4458 stainless steel and SAE-AISI 51B60 steel are iron alloys. They have 49% 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 1.4458 stainless steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 21
Fatigue Strength, MPa 150
280 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
660
Tensile Strength: Yield (Proof), MPa 190
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
43
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 75
19
Embodied Water, L/kg 200
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 89
420 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 12
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.56 to 0.64
Chromium (Cr), % 19 to 22
0.7 to 0.9
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
97 to 97.8
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040