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EN 1.4057 Stainless Steel vs. ACI-ASTM CB30 Steel

Both EN 1.4057 stainless steel and ACI-ASTM CB30 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 EN 1.4057 stainless steel and the bottom bar is ACI-ASTM CB30 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 840 to 980
500
Tensile Strength: Yield (Proof), MPa 530 to 790
230

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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