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EN 1.3955 Stainless Steel vs. SAE-AISI 51B60 Steel

Both EN 1.3955 stainless steel and SAE-AISI 51B60 steel are iron alloys. They have 72% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.3955 stainless steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
12 to 21
Fatigue Strength, MPa 150
280 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 520
660
Tensile Strength: Yield (Proof), MPa 220
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
420
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
420 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 15
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.15
0.56 to 0.64
Chromium (Cr), % 16.5 to 18.5
0.7 to 0.9
Iron (Fe), % 65.5 to 73.5
97 to 97.8
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 10 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040