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EN 1.4945 Stainless Steel vs. SAE-AISI 51B60 Steel

Both EN 1.4945 stainless steel and SAE-AISI 51B60 steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
12 to 21
Fatigue Strength, MPa 230 to 350
280 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 460
390 to 420
Tensile Strength: Ultimate (UTS), MPa 640 to 740
660
Tensile Strength: Yield (Proof), MPa 290 to 550
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
420
Melting Completion (Liquidus), °C 1490
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.4
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
420 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 20 to 22
22
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14 to 16
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.040 to 0.1
0.56 to 0.64
Chromium (Cr), % 15.5 to 17.5
0.7 to 0.9
Iron (Fe), % 57.9 to 65.7
97 to 97.8
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0