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ACI-ASTM CB30 Steel vs. EN 1.4057 Stainless Steel

Both ACI-ASTM CB30 steel and EN 1.4057 stainless steel are iron alloys. They have a very high 96% 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 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
840 to 980
Tensile Strength: Yield (Proof), MPa 230
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
400
Maximum Temperature: Mechanical, °C 940
850
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.2
Embodied Energy, MJ/kg 33
32
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Unit (Modulus of Resilience), kJ/m3 140
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
30 to 35
Strength to Weight: Bending, points 18
26 to 28
Thermal Diffusivity, mm2/s 5.6
6.7
Thermal Shock Resistance, points 17
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.3
0.12 to 0.22
Chromium (Cr), % 18 to 21
15 to 17
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
77.7 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 0 to 2.0
1.5 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015