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EN 1.3960 Stainless Steel vs. SAE-AISI 94B17 Steel

Both EN 1.3960 stainless steel and SAE-AISI 94B17 steel are iron alloys. They have 66% 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 1.3960 stainless steel and the bottom bar is SAE-AISI 94B17 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 220
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 590
440
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 970
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 160
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
96
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 17
13

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 16.5 to 18.5
0.3 to 0.5
Iron (Fe), % 60.2 to 67.9
97.1 to 98.3
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.080 to 0.15
Nickel (Ni), % 13 to 15
0.3 to 0.6
Nitrogen (N), % 0.15 to 0.25
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 0.020
0 to 0.040