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ACI-ASTM CB30 Steel vs. EN 1.6956 Steel

Both ACI-ASTM CB30 steel and EN 1.6956 steel are iron alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
370
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
1230
Tensile Strength: Yield (Proof), MPa 230
1120

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
440
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
2.2
Embodied Energy, MJ/kg 33
31
Embodied Water, L/kg 130
60

Common Calculations

PREN (Pitting Resistance) 20
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
43
Strength to Weight: Bending, points 18
32
Thermal Diffusivity, mm2/s 5.6
12
Thermal Shock Resistance, points 17
36

Alloy Composition

Carbon (C), % 0 to 0.3
0.28 to 0.38
Chromium (Cr), % 18 to 21
1.0 to 1.7
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
92.4 to 95.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 2.0
2.9 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.080 to 0.25