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EN 1.4931 Steel vs. AISI 316Cb Stainless Steel

Both EN 1.4931 steel and AISI 316Cb stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 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 1.4931 steel and the bottom bar is AISI 316Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 410
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 810
580
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
940
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.4
Embodied Energy, MJ/kg 42
61
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 16
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
160
Resilience: Unit (Modulus of Resilience), kJ/m3 970
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 6.5
4.1
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.080
Chromium (Cr), % 11.3 to 12.2
16 to 18
Iron (Fe), % 83.2 to 86.8
60.9 to 72
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.2
2.0 to 3.0
Nickel (Ni), % 0 to 1.0
10 to 14
Niobium (Nb), % 0
0 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0