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ACI-ASTM CB30 Steel vs. EN 1.4317 Stainless Steel

Both ACI-ASTM CB30 steel and EN 1.4317 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 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 ACI-ASTM CB30 steel and the bottom bar is EN 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 230
630

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 940
770
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
26
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.4
Embodied Energy, MJ/kg 33
33
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 20
14
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
31
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 5.6
7.0
Thermal Shock Resistance, points 17
30

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.060
Chromium (Cr), % 18 to 21
12 to 13.5
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
78.7 to 84.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0 to 2.0
3.5 to 5.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.025