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EN 1.4855 Stainless Steel vs. ACI-ASTM CB6 Steel

Both EN 1.4855 stainless steel and ACI-ASTM CB6 steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 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, % 4.6
18
Fatigue Strength, MPa 120
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
880
Tensile Strength: Yield (Proof), MPa 250
660

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 610
410
Maximum Temperature: Mechanical, °C 1050
870
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 34
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
2.5
Embodied Energy, MJ/kg 85
36
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 25
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 3.7
4.6
Thermal Shock Resistance, points 11
31

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.060
Chromium (Cr), % 23 to 25
15.5 to 17.5
Iron (Fe), % 42.6 to 51.9
74.4 to 81
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 23 to 25
3.5 to 5.5
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030