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EN 1.4306 Stainless Steel vs. ACI-ASTM CB6 Steel

Both EN 1.4306 stainless steel and ACI-ASTM CB6 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4306 stainless steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
18
Fatigue Strength, MPa 190 to 330
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 580 to 900
880
Tensile Strength: Yield (Proof), MPa 210 to 570
660

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
870
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.5
Embodied Energy, MJ/kg 45
36
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
150
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
32
Strength to Weight: Bending, points 20 to 27
26
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 13 to 20
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 18 to 20
15.5 to 17.5
Iron (Fe), % 64.8 to 72
74.4 to 81
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 10 to 12
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030