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ACI-ASTM CB6 Steel vs. EN 1.4374 Stainless Steel

Both ACI-ASTM CB6 steel and EN 1.4374 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 ACI-ASTM CB6 steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
40
Fatigue Strength, MPa 410
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 880
800
Tensile Strength: Yield (Proof), MPa 660
400

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 870
920
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.9
Embodied Energy, MJ/kg 36
42
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 31
17

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.1
Chromium (Cr), % 15.5 to 17.5
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 74.4 to 81
63.5 to 67.9
Manganese (Mn), % 0 to 1.0
9.0 to 10
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030